List of asteroid close approaches to Earth in 2017: Difference between revisions
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Rafflesgluft (talk | contribs) Clarified title that it is a list of *known* close approaches |
Added a basic infobox for quick links to surrounding years (similar to "5 years" of tornado / tropical storm lists). |
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{| class="infobox" style="width: 250px;" |
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|caption = Time of discovery of asteroids which came closer to Earth than the moon in 2017 |
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|other = yes |
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| Time of discovery of asteroids which came closer to Earth than the Moon in 2017 |
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|value1 = 46 |
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|- |
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|label1 = After closest approach |
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| {{#invoke:Chart |
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|color1 = red |
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|pie chart |
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|value2 = 10 |
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|percent = true |
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|label2 = < 24 hours beforehand |
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|radius = 125 |
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|slices = |
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( 26 : After closest approach : red ) |
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|label3 = > a year beforehand |
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( 6 : < 24 hours before : yellow ) |
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|color3 = blue |
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( 23 : up to 7 days before : lightgrey ) |
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|value4 = 2 |
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( 1 : > one week before : green ) |
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|label4 = > a week beforehand |
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( 0 : > 7 weeks before : turquoise ) |
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|color4 = green |
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( 1 : > one year before : blue ) |
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}} |
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{{Infobox |
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| title = Other Years |
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| caption = Years |
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| below = [[List_of_asteroid_close_approaches_to_Earth_in_2015|2015]], [[List_of_asteroid_close_approaches_to_Earth_in_2016|2016]], '''2017''', [[List_of_asteroid_close_approaches_to_Earth_in_2018|2018]], [[List_of_asteroid_close_approaches_to_Earth_in_2019|2019]] |
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}} |
}} |
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Below is the '''list of asteroid close approaches to Earth in 2017'''. |
Below is the '''list of asteroid close approaches to Earth in 2017'''. |
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== Timeline of known close approaches less than one lunar distance from Earth in 2017 == |
== Timeline of known close approaches less than one lunar distance from Earth in 2017 == |
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A list of known [[near-Earth asteroid]] close approaches less than 1 [[Lunar distance (astronomy)|lunar distance]] ({{convert|0.0025696|AU|km mi|abbr=on}}) from [[Earth]] in 2017. |
A list of known [[near-Earth asteroid]] close approaches less than 1 [[Lunar distance (astronomy)|lunar distance]] ({{convert|0.0025696|AU|km mi|abbr=on}}) from [[Earth]] in 2017.{{Efn|For a list of current Earth close approaches see [http://cneos.jpl.nasa.gov/ca NEO Earth Close Approaches]}} |
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For reference, the [[Earth radius|radius of Earth]] is approximately {{convert|0.0000426|AU|km mi|abbr=on}} or 0.0166 lunar distances.<br />[[Geosynchronous satellite]]s have an orbit with [[Semi-major and semi-minor axes|semi-major axis]] length of {{convert|0.000282|AU|km mi|abbr=on}} or 0.110 lunar distances. In 2017, five known [[asteroid]]s have traveled nearer than this, 2017 GM, 2017 UJ2, YU95BEF, 2017 EA, and 2017 WE30. P10ELNY and A104Vqx probably have traveled nearer, but knowledge of their orbits is too poor to be sure. |
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While most asteroids on this list are confirmed, well-observed unconfirmed objects with a 50% or greater chance of passing within 1 LD of the Earth are included as well. |
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This list does not include any of the [[List of bolides|29 objects that collided with earth in 2017]], none of which were discovered in advance, but were recorded by sensors designed to detect detonation of nuclear devices (of the 29 objects detected, 6 had an impact energy greater than that of a 1 kiloton device).<ref>[https://cneos.jpl.nasa.gov/fireballs/ NASA.gov]</ref> |
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{{legend2|#ff9999|border=1px solid #ff9999|Rows highlighted red indicate objects which were not discovered until after closest approach}} |
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{{legend2|#ffff99|border=1px solid #ffff99|Rows highlighted yellow indicate objects discovered less than 24 hours before closest approach}} |
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{{legend2|#99ff99|border=1px solid #99ff99|Rows highlighted green indicate objects discovered more than one week before closest approach}} |
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{{legend2|#99ffff|border=1px solid #99ffff|Rows highlighted turquoise indicate objects discovered more than 7 weeks before closest approach}} |
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For reference, the [[Earth radius|radius of Earth]] is approximately {{convert|0.0000426|AU|km mi|abbr=on}} or 0.0166 lunar distances.<br>[[Geosynchronous satellite]]s have an orbit with [[Semi-major and semi-minor axes|semi-major axis]] length of {{convert|0.000282|AU|km mi|abbr=on}} or 0.110 lunar distances. In 2017, five known [[asteroid]]s have traveled nearer than this, 2017 GM, 2017 UJ2, YU95BEF, 2017 EA, and 2017 WE30. P10ELNY and A104Vqx probably have traveled nearer, but knowledge of their orbit is too poor to be sure. |
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{{legend2|#bbccff|border=1px solid #bbccff|Rows highlighted blue indicate objects discovered more than one year before closest approach (i.e.<br /> objects successfully cataloged on a previous orbit, rather than being detected during final approach)}} |
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While most asteroids on this list are confirmed, well-observed unconfirmed objects with a 50% or greater chance of passing within 1 LD of the Earth are included as well. |
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Rows highlighted red indicate objects which were not discovered until after closest approach. Rows highlighted yellow indicate objects discovered less than 24 hours before closest approach. Rows highlighted green/blue indicate objects discovered more than one week/year before closest approach (in 2017 only two objects were detected this far in advance, {{mpl|2017 TD|6}}, and {{mpl|2012 TC|4}} which was discovered 5 years previously). Note this list does not include any of the [[List_of_bolides|29 objects that collided with earth in 2017]], none of which were discovered in advance, but were recorded by sensors designed to detect detonation of nuclear devices (of the 29 objects detected, 6 had an impact energy greater than that of a 1 kiloton device) <ref>https://cneos.jpl.nasa.gov/fireballs/</ref>. |
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{| class="wikitable sortable" |
{| class="wikitable sortable" |
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! Date of<br>closest<br>approach |
! Date of<br />closest<br />approach |
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! Date<br>discovered |
! Date<br />discovered |
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! Object |
! Object |
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! [[Curve fitting|Nominal]] geocentric<br>distance ([[astronomical unit|AU]]) |
! [[Curve fitting|Nominal]] geocentric<br />distance ([[astronomical unit|AU]]){{Efn|1=Distance from the center of Earth to the center of the object. See the [[NASA]]/[[JPL]] Solar System Dynamics Glossary: [http://ssd.jpl.nasa.gov/?glossary&term=geocentric Geocentric]. Earth has a [[Earth radius|radius]] of approximately 6,400 km.}} |
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! Nominal geocentric<br>distance ([[Lunar distance (astronomy)|LD]]) |
! Nominal<br />geocentric<br />{{Abbr|dist.|distance}} ([[Lunar distance (astronomy)|LD]]) |
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! data-sort-type="number"|Size ([[Metre|m]])<br>( |
! data-sort-type="number"|Size ([[Metre|m]])<br />(approx.) |
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! ([[Absolute magnitude#Solar System bodies (H)|H]])<br>( |
! ([[Absolute magnitude#Solar System bodies (H)|H]])<br />({{Abbr|mag|absolute magnitude}}) |
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! Closer<br> |
! Closer<br />to<br />[[Moon]]? |
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|2017-01-09 ||2017-01-07 |
|2017-01-09 ||2017-01-07<ref>{{cite web | url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+AG13 | title=IAU Minor Planet Center }}</ref>|| {{mpl|2017 AG|13}} ||{{convert|0.00139|AU|km mi|abbr=on|lk=on}} ||align="center"|0.54 ||align="center"|13–41 ||align="center"|26.1<ref name="2017AG13">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017AG13;cad=1#cad |title=JPL Small-Body Database Browser: (2017 AG13) |type=last observation: 2017-01-09}}</ref> || |
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|2017-01-25 ||2017-01-20 |
|2017-01-25 ||2017-01-20<ref>{{cite web | url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+BX | title=IAU Minor Planet Center }}</ref>|| 2017 BX ||{{convert|0.00178|AU|km mi|abbr=on}} ||align="center"|0.69 ||align="center"|5–18 ||align="center"|28.0<ref name="2017BX">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017BX;cad=1#cad |title=JPL Small-Body Database Browser: (2017 BX) |type=last observation: 2017-01-25}}</ref> || |
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|2017-01-30 ||2017-01-29 |
|2017-01-30 ||2017-01-29<ref>{{cite web | url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+BH30 | title=IAU Minor Planet Center }}</ref>|| {{mp|2017 BH|30}} ||{{convert|0.000347|AU|km mi|abbr=on}} ||align="center"|0.13{{Efn|Closest approach for {{mp|2017 BH|30}} [https://www.facebook.com/leonid.elenin/posts/1262450263837004 was over] the [[Taymyr Peninsula]].}} ||align="center"|4–12 ||align="center"|28.8<ref name="2017BH30">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017BH30;cad=1#cad |title=JPL Small-Body Database Browser: (2017 BH30) |type=last observation: 2017-01-30}}</ref> || |
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|2017-02-02 ||2017-01-30 |
|2017-02-02 ||2017-01-30<ref>{{cite web | url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+BS32 | title=IAU Minor Planet Center }}</ref>|| {{mp|2017 BS|32}} ||{{convert|0.00109|AU|km mi|abbr=on}} ||align="center"|0.42 ||align="center"|7–24 ||align="center"|27.3<ref name="2017BS32">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017BS32;cad=1#cad |title=JPL Small-Body Database Browser: (2017 BS32) |type=last observation: 2017-02-02}}</ref> || |
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|2017-02-23 ||2017-02-21 |
|2017-02-23 ||2017-02-21<ref>{{cite web | url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+DG16 | title=IAU Minor Planet Center }}</ref>|| {{mp|2017 DG|16}} ||{{convert|0.000920|AU|km mi|abbr=on}} ||align="center"|0.36 ||align="center"|3–9 ||align="center"|29.3<ref name="2017DG16">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017DG16;cad=1#cad |title=JPL Small-Body Database Browser: (2017 DG16) |type=last observation: 2017-02-23}}</ref> ||align="center"|Yes |
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|2017-02-25 ||2017-02-22 |
|2017-02-25 ||2017-02-22<ref>{{cite web | url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+DR34 | title=IAU Minor Planet Center }}</ref>|| {{mp|2017 DR|34}} ||{{convert|0.00149|AU|km mi|abbr=on}} ||align="center"|0.58 ||align="center"|3–11 ||align="center"|29.1<ref name="2017DR34">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017DR34;cad=1#cad |title=JPL Small-Body Database Browser: (2017 DR34) |type=last observation: 2017-02-23}}</ref> || |
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|2017-03-02 ||2017-03-02 |
|2017-03-02 ||2017-03-02<ref>{{cite web | url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+EA | title=IAU Minor Planet Center }}</ref>|| 2017 EA ||{{convert|0.000140|AU|km mi|abbr=on}} ||align="center"|0.054 ||align="center"|1–5 ||align="center"|30.8<ref name="2017EA">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017EA;cad=1#cad |title=JPL Small-Body Database Browser: (2017 EA) |type=last observation: 2017-03-02}}</ref> || |
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|2017-03-05 ||2017-02-27 |
|2017-03-05 ||2017-02-27<ref>{{cite web | url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+DS109 | title=IAU Minor Planet Center }}</ref>|| {{mp|2017 DS|109}} ||{{convert|0.00236|AU|km mi|abbr=on}} ||align="center"|0.92 ||align="center"|13–43 ||align="center"|25.9<ref name="2017DS109">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017DS109;cad=1#cad |title=JPL Small-Body Database Browser: (2017 DS109) |type=last observation: 2017-03-05}}</ref> || |
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|2017-03-17 ||2017-03-19 |
|2017-03-17 ||2017-03-19<ref>{{cite web | url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+FD3 | title=IAU Minor Planet Center }}</ref>|| {{mp|2017 FD|3}} ||{{convert|0.00120|AU|km mi|abbr=on}} ||align="center"|0.47 ||align="center"|6–20 ||align="center"|27.7<ref name="2017FD3">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017FD3;cad=1#cad |title=JPL Small-Body Database Browser: (2017 FD3) |type=last observation: 2017-03-27}}</ref> || |
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|2017-03-17 ||2017-03-19 |
|2017-03-17 ||2017-03-19<ref>{{cite web | url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+FW158 | title=IAU Minor Planet Center }}</ref>|| {{mp|2017 FW|158}} ||{{convert|0.000815|AU|km mi|abbr=on}} ||align="center"|0.32 ||align="center"|5–14 ||align="center"|28.4<ref name="2017FW158">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017FW158;cad=1#cad |title=JPL Small-Body Database Browser: (2017 FW158) |type=last observation: 2017-03-17}}</ref> || |
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|2017-03-19 ||2017-03-17 |
|2017-03-19 ||2017-03-17<ref>{{cite web | url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+FS | title=IAU Minor Planet Center }}</ref>|| 2017 FS ||{{convert|0.000730|AU|km mi|abbr=on}} ||align="center"|0.28 ||align="center"|3–11 ||align="center"|29.0<ref name="2017FS">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017FS;cad=1#cad |title=JPL Small-Body Database Browser: (2017 FS) |type=last observation: 2017-03-18}}</ref> || |
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|2017-03-20 ||2017-03-21 |
|2017-03-20 ||2017-03-21<ref>{{cite web | url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+FX158 | title=IAU Minor Planet Center }}</ref>|| {{mp|2017 FX|158}} ||{{convert|0.00182|AU|km mi|abbr=on}} ||align="center"|0.71 ||align="center"|3–11 ||align="center"|29.0<ref name="2017FX158">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017FX158;cad=1#cad |title=JPL Small-Body Database Browser: (2017 FX158) |type=last observation: 2017-03-22}}</ref> || |
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|2017-03-20 ||2017-03-20 |
|2017-03-20 ||2017-03-20<ref>{{cite web | url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+FN1 | title=IAU Minor Planet Center }}</ref>|| {{mp|2017 FN|1}} ||{{convert|0.000423|AU|km mi|abbr=on}} ||align="center"|0.16 ||align="center"|2–5 ||align="center"|30.6<ref name="2017FN1">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017FN1;cad=1#cad |title=JPL Small-Body Database Browser: (2017 FN1) |type=last observation: 2017-03-20}}</ref> || |
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|2017-03-20 ||2017-03-20 |
|2017-03-20 ||2017-03-20<ref>{{cite web | url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+FM1 | title=IAU Minor Planet Center }}</ref>|| {{mp|2017 FM|1}} ||{{convert|0.000856|AU|km mi|abbr=on}} ||align="center"|0.33 ||align="center"|3–9 ||align="center"|29.5<ref name="2017FM1">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017FM1;cad=1#cad |title=JPL Small-Body Database Browser: (2017 FM1) |type=last observation: 2017-03-20}}</ref> || |
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|2017-03-30 ||2017-03-25 |
|2017-03-30 ||2017-03-25<ref>{{cite web | url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+FJ101 | title=IAU Minor Planet Center }}</ref>|| {{mp|2017 FJ|101}} ||{{convert|0.00217|AU|km mi|abbr=on}} ||align="center"|0.85 ||align="center"|4–15 ||align="center"|28.5<ref name="2017FJ101">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017FJ101;cad=1#cad |title=JPL Small-Body Database Browser: (2017 FJ101) |type=last observation: 2017-03-30}}</ref> || |
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|2017-04-02 ||2017-03-29 |
|2017-04-02 ||2017-03-29<ref>{{cite web | url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+FU102 | title=IAU Minor Planet Center }}</ref>|| {{mp|2017 FU|102}} ||{{convert|0.00146|AU|km mi|abbr=on}} ||align="center"|0.57 ||align="center"|4–13 ||align="center"|28.7<ref name="2017FU102">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017FU102;cad=1#cad |title=JPL Small-Body Database Browser: (2017 FU102) |type=last observation: 2017-03-30}}</ref> || |
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|2017-04-04 ||2017-04-03 |
|2017-04-04 ||2017-04-03<ref>{{Cite web|url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+GM|title=IAU Minor Planet Center}}</ref>|| 2017 GM ||{{convert|0.000109|AU|km mi|abbr=on}} ||align="center"|0.042 ||align="center"|2–7 ||align="center"|29.9<ref name="2017GM">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017GM;cad=1#cad |title=JPL Small-Body Database Browser: (2017 GM) |type=last observation: 2017-04-04}}</ref> || |
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|2017-04-16 ||2017-04-17 |
|2017-04-16 ||2017-04-17<ref>{{Cite web|url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+HJ|title=IAU Minor Planet Center}}</ref>|| 2017 HJ ||{{convert|0.000908|AU|km mi|abbr=on}} ||align="center"|0.35 ||align="center"|7–22 ||align="center"|27.5<ref name="2017HJ">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017HJ;cad=1#cad |title=JPL Small-Body Database Browser: (2017 HJ) |type=last observation: 2017-04-24}}</ref> || |
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|2017-04-22 ||2017-04-26 |
|2017-04-22 ||2017-04-26<ref>{{Cite web|url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+HG4|title = IAU Minor Planet Center}}</ref>|| {{mp|2017 HG|4}} ||{{convert|0.00156|AU|km mi|abbr=on}} ||align="center"|0.61 ||align="center"|6–21 ||align="center"|27.6<ref name="2017HG4">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017HG4;cad=1#cad |title=JPL Small-Body Database Browser: (2017 HG4) |type=last observation: 2017-05-03}}</ref> || |
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|2017-04-23 ||2017-04-22 |
|2017-04-23 ||2017-04-22<ref>{{Cite web|url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+HV2|title = IAU Minor Planet Center}}</ref>|| {{mp|2017 HV|2}} ||{{convert|0.000838|AU|km mi|abbr=on}} ||align="center"|0.33 ||align="center"|3–12 ||align="center"|28.9<ref name="2017HV2">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017HV2;cad=1#cad |title=JPL Small-Body Database Browser: (2017 HV2) |type=last observation: 2017-04-23}}</ref> || |
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|2017-05-02 ||2017-05-01 |
|2017-05-02 ||2017-05-01<ref>{{Cite web|url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+JA|title=IAU Minor Planet Center}}</ref>|| 2017 JA ||{{convert|0.000666|AU|km mi|abbr=on}} ||align="center"|0.26 ||align="center"|3–13 ||align="center"|28.9<ref name="2017JA">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017JA;cad=1#cad |title=JPL Small-Body Database Browser: (2017 JA) |type=last observation: 2017-05-02}}</ref> || |
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|2017-05-04 ||2017-05-02 |
|2017-05-04 ||2017-05-02<ref>{{cite web | url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+JQ1 | title=IAU Minor Planet Center }}</ref>|| {{mp|2017 JQ|1}} ||{{convert|0.00114|AU|km mi|abbr=on}} ||align="center"|0.44 ||align="center"|3–9 ||align="center"|29.4<ref name="2017JQ1">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017JQ1;cad=1#cad |title=JPL Small-Body Database Browser: (2017 JQ1) |type=last observation: 2017-05-03}}</ref> || |
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|2017-05-04 ||2017-05-06 |
|2017-05-04 ||2017-05-06<ref>{{cite web | url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+JB2 | title=IAU Minor Planet Center }}</ref>|| {{mp|2017 JB|2}} ||{{convert|0.000372|AU|km mi|abbr=on}} ||align="center"|0.14 ||align="center"|3–11 ||align="center"|29.0<ref name="2017JB2">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017JB2;cad=1#cad |title=JPL Small-Body Database Browser: (2017 JB2) |type=last observation: 2017-05-10}}</ref> || |
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|2017-07-21 ||2017-07-23 |
|2017-07-21 ||2017-07-23<ref>{{cite web | url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+OO1 | title=IAU Minor Planet Center }}</ref>|| {{mpl|2017 OO|1}} ||{{convert|0.000852|AU|km mi|abbr=on}} ||align="center"|0.33 ||align="center"|26–93 ||align="center"|24.4<ref name="2017OO1">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017OO1;cad=1#cad |title=JPL Small-Body Database Browser: (2017 OO1) |type=last observation: 2017-07-25}}</ref> || |
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|2017-08-14 ||2017-08-16 |
|2017-08-14 ||2017-08-16<ref>{{cite web | url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+QP1 | title=IAU Minor Planet Center }}</ref>|| {{mpl|2017 QP|1}} ||{{convert|0.000419|AU|km mi|abbr=on}} ||align="center"|0.16 ||align="center"|31–91 ||align="center"|24.3<ref name="2017QP1">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017QP1;cad=1#cad |title=JPL Small-Body Database Browser: (2017 QP1) |type=last observation: 2017-08-19}}</ref> || |
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|2017-08-20 ||2017-08-18 |
|2017-08-20 ||2017-08-18<ref>{{cite web | url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+QN2 | title=IAU Minor Planet Center }}</ref>|| {{mp|2017 QN|2}} ||{{convert|0.00145|AU|km mi|abbr=on}} ||align="center"|0.56 ||align="center"|5–22 ||align="center"|27.9<ref name="2017QN2">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017QN2;cad=1#cad |title=JPL Small-Body Database Browser: (2017 QN2) |type=last observation: 2017-08-20}}</ref> || |
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|2017-09-03 ||2017-08-31 |
|2017-09-03 ||2017-08-31<ref>{{cite web | url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+QB35 | title=IAU Minor Planet Center }}</ref>|| {{mp|2017 QB|35}} ||{{convert|0.00238|AU|km mi|abbr=on}} ||align="center"|0.93 ||align="center"|3–9 ||align="center"|29.3<ref name="2017QB35">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017QB35;cad=1#cad |title=JPL Small-Body Database Browser: (2017 QB35) |type=last observation: 2017-09-02}}</ref> || |
||
|- bgcolor="# |
|- bgcolor="#ff9999" |
||
|2017-09-14 ||2017-09-18 |
|2017-09-14 ||2017-09-18<ref>{{cite web | url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+SQ2 | title=IAU Minor Planet Center }}</ref>|| {{mp|2017 SQ|2}} ||{{convert|0.00133|AU|km mi|abbr=on}} ||align="center"|0.52 ||align="center"|14–49 ||align="center"|25.8<ref name="2017SQ2">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017SQ2;cad=1#cad |title=JPL Small-Body Database Browser: (2017 SQ2) |type=last observation: 2017-09-20}}</ref> || |
||
|- |
|- |
||
|2017-09-20 ||2017-09-17 |
|2017-09-20 ||2017-09-17<ref>{{cite web | url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+SM2 | title=IAU Minor Planet Center }}</ref>|| {{mp|2017 SM|2}} ||{{convert|0.00207|AU|km mi|abbr=on}} ||align="center"|0.81 ||align="center"|6–26 ||align="center"|27.3<ref name="2017SM2">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017SM2;cad=1#cad |title=JPL Small-Body Database Browser: (2017 SM2) |type=last observation: 2017-09-20}}</ref> || |
||
|- bgcolor="# |
|- bgcolor="#ff9999" |
||
|2017-09-20 ||2017-09-21 |
|2017-09-20 ||2017-09-21<ref>{{cite web | url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+SZ32 | title=IAU Minor Planet Center }}</ref>|| {{mp|2017 SZ|32}} ||{{convert|0.00137|AU|km mi|abbr=on}} ||align="center"|0.53 ||align="center"|3–9 ||align="center"|29.2<ref name="2017SZ32">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017SZ32;cad=1#cad |title=JPL Small-Body Database Browser: (2017 SZ32) |type=last observation: 2017-09-22}}</ref> || align="center"|Yes |
||
|- bgcolor="# |
|- bgcolor="#ffff99" |
||
|2017-09-20 ||2017-09-20 |
|2017-09-20 ||2017-09-20<ref>{{cite web | url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+SR2 | title=IAU Minor Planet Center }}</ref>|| {{mp|2017 SR|2}} ||{{convert|0.000623|AU|km mi|abbr=on}} ||align="center"|0.24 ||align="center"|4–12 ||align="center"|28.5<ref name="2017SR2">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017SR2;cad=1#cad |title=JPL Small-Body Database Browser: (2017 SR2) |type=last observation: 2017-09-20}}</ref> || |
||
|- bgcolor="# |
|- bgcolor="#ff9999" |
||
|2017-09-24 ||2017-09-25 |
|2017-09-24 ||2017-09-25<ref>{{cite web | url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+SS12 | title=IAU Minor Planet Center }}</ref>|| {{mp|2017 SS|12}} ||{{convert|0.00172|AU|km mi|abbr=on}} ||align="center"|0.67 ||align="center"|8–27 ||align="center"|27.0<ref name="2017SS12">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017SS12;cad=1#cad |title=JPL Small-Body Database Browser: (2017 SS12) |type=last observation: 2017-09-26}}</ref> || align="center"|Yes |
||
|- bgcolor="# |
|- bgcolor="#ff9999" |
||
|2017-09-30 ||2017-10-01 |
|2017-09-30 ||2017-10-01<ref>{{cite web | url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+TQ2 | title=IAU Minor Planet Center }}</ref>|| {{mp|2017 TQ|2}} ||{{convert|0.000691|AU|km mi|abbr=on}} ||align="center"|0.27 ||align="center"|3–8 ||align="center"|29.4<ref name="2017TQ2">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017TQ2;cad=1#cad |title=JPL Small-Body Database Browser: (2017 TQ2) |type=last observation: 2017-10-02}}</ref> || |
||
|- |
|- |
||
|2017-10-02 ||2017-09-29 |
|2017-10-02 ||2017-09-29<ref>{{cite web | url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+SX17 | title=IAU Minor Planet Center }}</ref>|| {{mp|2017 SX|17}} ||{{convert|0.00058|AU|km mi|abbr=on}} ||align="center"|0.23 ||align="center"|4–16 ||align="center"|28.1<ref name="2017SX17">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017SX17;cad=1#cad |title=JPL Small-Body Database Browser: (2017 SX17) |type=last observation: 2017-10-02}}</ref> || |
||
|- bgcolor="# |
|- bgcolor="#ff9999" |
||
|2017-10-10 ||2017-10-14 |
|2017-10-10 ||2017-10-14<ref>{{cite web | url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+TF5 | title=IAU Minor Planet Center }}</ref>|| {{mp|2017 TF|5}} ||{{convert|0.00187|AU|km mi|abbr=on}} ||align="center"|0.73 ||align="center"|20–95 ||align="center"|24.7<ref name="2017TF5">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017TF5;cad=1#cad |title=JPL Small-Body Database Browser: (2017 TF5) |type=last observation: 2017-10-16}}</ref> || |
||
|- bgcolor="# |
|- bgcolor="#bbccff" |
||
|2017-10-12 ||2012-10-04 |
|2017-10-12 ||2012-10-04<ref>{{cite web | url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+TC4 | title=IAU Minor Planet Center }}</ref>|| {{mpl|2012 TC|4}} ||{{convert|0.000335|AU|km mi|abbr=on}} ||align="center"|0.13{{Efn|This will mark the first time an asteroid was observed passing less than 1 LD to the Earth on two different occasions.}} ||align="center"|10–31 ||align="center"|26.7<ref name="2012TC4">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2012TC4;cad=1#cad |title=JPL Small-Body Database Browser: (2012 TC4) |type=last observation: 2017-08-05}}</ref> || |
||
|- bgcolor="# |
|- bgcolor="#ff9999" |
||
|2017-10-13||2017-10-21 |
|2017-10-13||2017-10-21<ref name="birtwhistle.org.uk">{{cite web | url=http://www.birtwhistle.org.uk/NEOCPObjects2017.htm | title=NEOCP Objects in 2017 }}</ref><br />(Unconfirmed)|| YT80190 ||{{convert|0.000537|AU|km mi|abbr=on}} ||align="center"|0.21{{Efn|distance error: 0.0000894 AU, approach range: 0.17 to 0.24 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.}} ||align="center"|2–6 ||align="center"|30.4 || |
||
|- bgcolor="# |
|- bgcolor="#ff9999" |
||
|2017-10-15 ||2017-10-16 |
|2017-10-15 ||2017-10-16<ref>{{cite web | url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+UF | title=IAU Minor Planet Center }}</ref>|| 2017 UF ||{{convert|0.00255|AU|km mi|abbr=on}} ||align="center"|0.992 ||align="center"|5–20 ||align="center"|27.9<ref name="2017UF">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017UF;cad=1#cad |title=JPL Small-Body Database Browser: (2017 UF) |type=last observation: 2017-10-17}}</ref> || |
||
|- |
|- |
||
|2017-10-16 ||2017-10-15 |
|2017-10-16 ||2017-10-15<ref>{{cite web | url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+TH5 | title=IAU Minor Planet Center }}</ref>|| {{mp|2017 TH|5}} ||{{convert|0.000668|AU|km mi|abbr=on}} ||align="center"|0.26 ||align="center"|4–18 ||align="center"|28.2<ref name="2017TH5">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017TH5;cad=1#cad |title=JPL Small-Body Database Browser: (2017 TH5) |type=last observation: 2017-10-16}}</ref> || |
||
|- bgcolor="# |
|- bgcolor="#ff9999" |
||
|2017-10-17 ||2017-10-19 |
|2017-10-17 ||2017-10-19<ref>{{cite web | url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+UR2 | title=IAU Minor Planet Center }}</ref>|| {{mp|2017 UR|2}} ||{{convert|0.00213|AU|km mi|abbr=on}} ||align="center"|0.83 ||align="center"|6–19 ||align="center"|27.8<ref name="2017UR2">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017UR2;cad=1#cad |title=JPL Small-Body Database Browser: (2017 UR2) |type=last observation: 2017-10-21}}</ref> || |
||
|- bgcolor="# |
|- bgcolor="#99ff99" |
||
|2017-10-19 ||2017-10-11 |
|2017-10-19 ||2017-10-11<ref>{{cite web | url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+TD6 | title=IAU Minor Planet Center }}</ref>|| {{mpl|2017 TD|6}} ||{{convert|0.00128|AU|km mi|abbr=on}} ||align="center"|0.50 ||align="center"|7–28 ||align="center"|27.2<ref name="2017TD6">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017TD6;cad=1#cad |title=JPL Small-Body Database Browser: (2017 TD6) |type=last observation: 2017-10-17}}</ref> ||align="center"|Yes |
||
|- bgcolor="# |
|- bgcolor="#ff9999" |
||
|2017-10-20 ||2017-10-21 |
|2017-10-20 ||2017-10-21<ref>{{cite web | url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+UJ2 | title=IAU Minor Planet Center }}</ref>|| {{mp|2017 UJ|2}} ||{{convert|0.000120|AU|km mi|abbr=on}} ||align="center"|0.047 ||align="center"|1–5 ||align="center"|30.8<ref name="2017UJ2">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017UJ2;cad=1#cad |title=JPL Small-Body Database Browser: (2017 UJ2) |type=last observation: 2017-10-22}}</ref> || |
||
|- bgcolor="# |
|- bgcolor="#ff9999" |
||
|2017-10-21 ||2017-10-25 |
|2017-10-21 ||2017-10-25<ref>{{cite web | url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+UA52 | title=IAU Minor Planet Center }}</ref>|| {{mp|2017 UA|52}} ||{{convert|0.00132|AU|km mi|abbr=on}} ||align="center"|0.51 ||align="center"|4–15 ||align="center"|28.5<ref name="2017UA52">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017UA52;cad=1#cad |title=JPL Small-Body Database Browser: (2017 UA52) |type=last observation: 2017-10-26}}</ref> ||align="center"|Yes |
||
|- bgcolor="# |
|- bgcolor="#ff9999" |
||
|2017-10-22 ||2017-10-30 |
|2017-10-22 ||2017-10-30<ref name="birtwhistle.org.uk"/><br />(Unconfirmed)|| YU92F9B ||{{convert|0.00121|AU|km mi|abbr=on}} ||align="center"|0.47{{Efn|distance error: 0.000283 AU, approach range: 0.36 to 0.58 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.}} ||align="center"|3–10 ||align="center"|29.2 || |
||
|- bgcolor="# |
|- bgcolor="#ff9999" |
||
|2017-10-22 ||2017-10-30 |
|2017-10-22 ||2017-10-30<ref name="birtwhistle.org.uk"/><br />(Unconfirmed)|| YU95BEF ||{{convert|0.000130|AU|km mi|abbr=on}} ||align="center"|0.051{{Efn|distance error: 0.0000611 AU, approach range: 0.027 to 0.074 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.}} ||align="center"|5–15 ||align="center"|28.2 || |
||
|- |
|- |
||
|2017-10-28 ||2017-10-27 |
|2017-10-28 ||2017-10-27<ref>{{cite web | url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+UL6 | title=IAU Minor Planet Center }}</ref>|| {{mp|2017 UL|6}} ||{{convert|0.000398|AU|km mi|abbr=on}} ||align="center"|0.16 ||align="center"|1–3 ||align="center"|32.0<ref name="2017UL6">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017UL6;cad=1#cad |title=JPL Small-Body Database Browser: (2017 UL6) |type=last observation: 2017-10-28}}</ref> || |
||
|- |
|- |
||
|2017-10-30 ||2017-10-29 |
|2017-10-30 ||2017-10-29<ref>{{cite web | url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+UK8 | title=IAU Minor Planet Center }}</ref>|| {{mp|2017 UK|8}} ||{{convert|0.00151|AU|km mi|abbr=on}} ||align="center"|0.59 ||align="center"|4–17 ||align="center"|28.3<ref name="2017UK8">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017UK8;cad=1#cad |title=JPL Small-Body Database Browser: (2017 UK8) |type=last observation: 2017-10-30}}</ref> || |
||
|- bgcolor="# |
|- bgcolor="#ff9999" |
||
|2017-11-04 ||2017-11-05 |
|2017-11-04 ||2017-11-05<ref>{{cite web | url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+VE | title=IAU Minor Planet Center }}</ref>|| 2017 VE ||{{convert|0.00227|AU|km mi|abbr=on}} ||align="center"|0.88 ||align="center"|10–31 ||align="center"|26.6<ref name="2017VE">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017VE;cad=1#cad |title=JPL Small-Body Database Browser: (2017 VE) |type=last observation: 2017-11-09}}</ref> || |
||
|- bgcolor="# |
|- bgcolor="#ff9999" |
||
|2017-11-08 ||2017-11-16 |
|2017-11-08 ||2017-11-16<ref name="birtwhistle.org.uk"/><br />(Unconfirmed)|| A104Vqx ||{{convert|0.000222|AU|km mi|abbr=on}} ||align="center"|0.086{{Efn|distance error: 0.000163 AU, approach range: 0.023 to 0.15 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.}} ||align="center"|4–14 ||align="center"|28.4 || |
||
|- bgcolor="# |
|- bgcolor="#ff9999" |
||
|2017-11-09 ||2017-11-10 |
|2017-11-09 ||2017-11-10<ref>{{cite web | url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+VL2 | title=IAU Minor Planet Center }}</ref>|| {{mpl|2017 VL|2}} ||{{convert|0.000787|AU|km mi|abbr=on}} ||align="center"|0.31 ||align="center"|13–42 ||align="center"|26.1<ref name="2017VL2">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017VL2;cad=1#cad |title=JPL Small-Body Database Browser: (2017 VL2) |type=last observation: 2017-11-26}}</ref> || |
||
|- bgcolor="# |
|- bgcolor="#ff9999" |
||
|2017-11-13 ||2017-11-15 |
|2017-11-13 ||2017-11-15<ref>{{cite web | url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+VF14 | title=IAU Minor Planet Center }}</ref>|| {{mp|2017 VF|14}} ||{{convert|0.00205|AU|km mi|abbr=on}} ||align="center"|0.80 ||align="center"|4–14 ||align="center"|28.5<ref name="2017VF14">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017VF14;cad=1#cad |title=JPL Small-Body Database Browser: (2017 VF14) |type=last observation: 2017-11-19}}</ref> || |
||
|- bgcolor="# |
|- bgcolor="#ff9999" |
||
|2017-11-14 ||2017-11-20 |
|2017-11-14 ||2017-11-20<ref name="birtwhistle.org.uk"/><br />(Unconfirmed)|| P10ELNY ||{{convert|0.000212|AU|km mi|abbr=on}} ||align="center"|0.083{{Efn|distance error: 0.000121 AU, approach range: 0.035 to 0.13 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.}} ||align="center"|4–12 ||align="center"|28.8 || |
||
|- |
|- |
||
|2017-11-21 ||2017-11-20 |
|2017-11-21 ||2017-11-20<ref>{{Cite web|url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+WW1|title = IAU Minor Planet Center}}</ref>|| {{mp|2017 WW|1}} ||{{convert|0.000942|AU|km mi|abbr=on}} ||align="center"|0.37 ||align="center"|3–7 ||align="center"|29.7<ref name="2017WW1">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017WW1;cad=1#cad |title=JPL Small-Body Database Browser: (2017 WW1) |type=last observation: 2017-11-21}}</ref> || |
||
|- bgcolor="# |
|- bgcolor="#ff9999" |
||
|2017-11-21 ||2017-11-22 |
|2017-11-21 ||2017-11-22<ref>{{Cite web|url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+WA14|title = IAU Minor Planet Center}}</ref>|| {{mp|2017 WA|14}} ||{{convert|0.000633|AU|km mi|abbr=on}} ||align="center"|0.25 ||align="center"|6–26 ||align="center"|27.5<ref name="2017WA14">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017WA14;cad=1#cad |title=JPL Small-Body Database Browser: (2017 WA14) |type=last observation: 2017-11-26}}</ref> || |
||
|- bgcolor="# |
|- bgcolor="#ffff99" |
||
|2017-11-26 ||2017-11-26 |
|2017-11-26 ||2017-11-26<ref>{{Cite web|url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+WE30|title = IAU Minor Planet Center}}</ref>|| {{mp|2017 WE|30}} ||{{convert|0.000201|AU|km mi|abbr=on}} ||align="center"|0.078 ||align="center"|1–3 ||align="center"|31.9<ref name="2017WE30">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017WE30;cad=1#cad |title=JPL Small-Body Database Browser: (2017 WE30) |type=last observation: 2017-11-26}}</ref> || |
||
|- |
|- |
||
|2017-12-28 ||2017-12-25 |
|2017-12-28 ||2017-12-25<ref>{{Cite web|url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+YZ4|title = IAU Minor Planet Center}}</ref>|| {{mp|2017 YZ|4}} ||{{convert|0.00149|AU|km mi|abbr=on}} ||align="center"|0.58 ||align="center"|4–18 ||align="center"|28.2<ref name="2017YZ4">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017YZ4;cad=1#cad |title=JPL Small-Body Database Browser: (2017 YZ4) |type=last observation: 2017-12-28}}</ref> || |
||
|- |
|- |
||
|2017-12-30 ||2017-12-28 |
|2017-12-30 ||2017-12-28<ref>{{Cite web|url=https://minorplanetcenter.net/db_search/show_object?object_id=2017+YE7|title = IAU Minor Planet Center}}</ref>|| {{mp|2017 YE|7}} ||{{convert|0.00206|AU|km mi|abbr=on}} ||align="center"|0.80 ||align="center"|4–13 ||align="center"|28.5<ref name="2017YE7">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017YE7;cad=1#cad |title=JPL Small-Body Database Browser: (2017 YE7) |type=last observation: 2017-12-30}}</ref> || |
||
|} |
|} |
||
=== Warning times by size === |
|||
This sub-section visualises the warning times of the close approaches listed in the above table, depending on the size of the asteroid. The sizes of the charts show the relative sizes of the asteroids to scale. For comparison, the approximate size of a person is also shown. This is based the [[Absolute magnitude#Solar System bodies (H)|absolute magnitude]] of each asteroid, an approximate measure of size based on brightness. |
|||
'''Abs Magnitude 30 and greater''' |
|||
[[File:Silhouette of man standing and facing forward.svg|Silhouette of man standing and facing forward|4px|left]] (size of a person for comparison) |
|||
{{#invoke:Chart |
|||
|pie chart |
|||
|radius = 11 |
|||
|slices = |
|||
( 2 : After closest approach : red ) |
|||
( 3 : < 24 hours before : yellow ) |
|||
( 1 : up to 7 days before : lightgrey ) |
|||
( 0 : > one week before : green ) |
|||
( 0 : > 7 weeks before : turquoise ) |
|||
( 0 : > one year before : blue ) |
|||
|percent = true |
|||
|hide group legends = true |
|||
}} |
|||
'''Abs Magnitude 29-30''' |
|||
{{#invoke:Chart |
|||
|pie chart |
|||
|radius = 17 |
|||
|slices = |
|||
( 5 : After closest approach : red ) |
|||
( 1 : < 24 hours before : yellow ) |
|||
( 7 : up to 7 days before : lightgrey ) |
|||
( 0 : > one week before : green ) |
|||
( 0 : > 7 weeks before : turquoise ) |
|||
( 0 : > one year before : blue ) |
|||
|percent = true |
|||
|hide group legends = true |
|||
}} |
|||
'''Absolute Magnitude 28-29''' |
|||
{{#invoke:Chart |
|||
|pie chart |
|||
|radius = 27 |
|||
|slices = |
|||
( 6 : After closest approach : red ) |
|||
( 2 : < 24 hours before : yellow ) |
|||
( 10 : up to 7 days before : lightgrey ) |
|||
( 0 : > one week before : green ) |
|||
( 0 : > 7 weeks before : turquoise ) |
|||
( 0 : > one year before : blue ) |
|||
|percent = true |
|||
|hide group legends = true |
|||
}} |
|||
'''Absolute Magnitude 27-28''' |
|||
{{#invoke:Chart |
|||
|pie chart |
|||
|radius = 43 |
|||
|slices = |
|||
( 7 : After closest approach : red ) |
|||
( 0 : < 24 hours before : yellow ) |
|||
( 3 : up to 7 days before : lightgrey ) |
|||
( 1 : > one week before : green ) |
|||
( 0 : > 7 weeks before : turquoise ) |
|||
( 0 : > one year before : blue ) |
|||
|percent = true |
|||
|hide group legends = true |
|||
}} |
|||
'''Absolute Magnitude 26-27''' |
|||
{{#invoke:Chart |
|||
|pie chart |
|||
|radius = 68 |
|||
|slices = |
|||
( 2 : After closest approach : red ) |
|||
( 0 : < 24 hours before : yellow ) |
|||
( 1 : up to 7 days before : lightgrey ) |
|||
( 0 : > one week before : green ) |
|||
( 0 : > 7 weeks before : turquoise ) |
|||
( 1 : > one year before : blue ) |
|||
|percent = true |
|||
|hide group legends = true |
|||
}} |
|||
'''Absolute Magnitude 25-26''' |
|||
{{#invoke:Chart |
|||
|pie chart |
|||
|radius = 107 |
|||
|slices = |
|||
( 1 : After closest approach : red ) |
|||
( 0 : < 24 hours before : yellow ) |
|||
( 1 : up to 7 days before : lightgrey ) |
|||
( 0 : > one week before : green ) |
|||
( 0 : > 7 weeks before : turquoise ) |
|||
( 0 : > one year before : blue ) |
|||
|percent = true |
|||
|hide group legends = true |
|||
}} |
|||
'''Absolute Magnitude less than 25 (largest)''' |
|||
{{#invoke:Chart |
|||
|pie chart |
|||
|radius = 170 |
|||
|slices = |
|||
( 3 : After closest approach : red ) |
|||
( 0 : < 24 hours before : yellow ) |
|||
( 0 : up to 7 days before : lightgrey ) |
|||
( 0 : > one week before : green ) |
|||
( 0 : > 7 weeks before : turquoise ) |
|||
( 0 : > one year before : blue ) |
|||
|percent = true |
|||
}} |
|||
=== Notes === |
=== Notes === |
||
{{Notelist}} |
|||
{{Reflist|group="note"}} |
|||
== Timeline of close approaches less than one lunar distance from the Moon in 2017 == |
== Timeline of close approaches less than one lunar distance from the Moon in 2017 == |
||
| Line 160: | Line 281: | ||
These factors severely limit the amount of Moon-approaching asteroids, to a level many times lower than the asteroids detected passing as close to Earth. |
These factors severely limit the amount of Moon-approaching asteroids, to a level many times lower than the asteroids detected passing as close to Earth. |
||
{| class="wikitable sortable" |
{| class="wikitable sortable" |
||
! Date of<br>closest<br>approach |
! Date of<br />closest<br />approach |
||
! Object |
! Object |
||
! [[Curve fitting|Nominal]] lunocentric<br>distance ([[astronomical unit|AU]]) |
! [[Curve fitting|Nominal]] lunocentric<br />distance ([[astronomical unit|AU]]){{Efn|Distance from the center of the Moon to the center of the object. The Moon has a [[Earth radius|radius]] of approximately 1,740 km.}} |
||
! Nominal lunocentric<br>distance ([[Lunar distance (astronomy)|LD]]) |
! Nominal lunocentric<br />distance ([[Lunar distance (astronomy)|LD]]) |
||
! data-sort-type="number"|Size ([[Metre|m]])<br>(approximate) |
! data-sort-type="number"|Size ([[Metre|m]])<br />(approximate) |
||
! ([[Absolute magnitude#Solar System bodies (H)|H]]) |
! ([[Absolute magnitude#Solar System bodies (H)|H]]) |
||
! <br |
! Approach<br />distance<br />to [[Earth]]<br /> (LD) |
||
|- |
|- |
||
|2017-01-25 || {{mp|2017 BA|7}} ||{{convert|0.00187|AU|km mi|abbr=on}} ||align="center"|0.73 ||align="center"|5–16 ||align="center"|28.1<ref name="2017BA7">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017BA7;cad=1#cad |title=JPL Small-Body Database Browser: (2017 BA7) |type=last observation: 2017-01-29}}</ref> ||align="center"|1.12 |
|2017-01-25 || {{mp|2017 BA|7}} ||{{convert|0.00187|AU|km mi|abbr=on}} ||align="center"|0.73 ||align="center"|5–16 ||align="center"|28.1<ref name="2017BA7">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017BA7;cad=1#cad |title=JPL Small-Body Database Browser: (2017 BA7) |type=last observation: 2017-01-29}}</ref> ||align="center"|1.12 |
||
| Line 172: | Line 293: | ||
|2017-01-25 || 2017 BX ||{{convert|0.00209|AU|km mi|abbr=on}} ||align="center"|0.81 ||align="center"|5–18 ||align="center"|28.0<ref name="2017BX"/> ||align="center"|0.69 |
|2017-01-25 || 2017 BX ||{{convert|0.00209|AU|km mi|abbr=on}} ||align="center"|0.81 ||align="center"|5–18 ||align="center"|28.0<ref name="2017BX"/> ||align="center"|0.69 |
||
|- |
|- |
||
|2017-01-30 || {{mp|2017 BH|30}} ||{{convert|0.00187|AU|km mi|abbr=on}} ||align="center"|0.73 ||align="center"|4–12 ||align="center"|28.8< |
|2017-01-30 || {{mp|2017 BH|30}} ||{{convert|0.00187|AU|km mi|abbr=on}} ||align="center"|0.73 ||align="center"|4–12 ||align="center"|28.8<ref name="2017BH30"/> ||align="center"|0.13 |
||
|- |
|- |
||
|2017-02-03 || {{mp|2017 BS|32}} ||{{convert|0.00193|AU|km mi|abbr=on}} ||align="center"|0.75 ||align="center"|7–24 ||align="center"|27.3<ref name="2017BS32"/> ||align="center"|0.42 |
|2017-02-03 || {{mp|2017 BS|32}} ||{{convert|0.00193|AU|km mi|abbr=on}} ||align="center"|0.75 ||align="center"|7–24 ||align="center"|27.3<ref name="2017BS32"/> ||align="center"|0.42 |
||
|- |
|- |
||
|2017-02-24 || {{mp|2017 DG|16}} ||{{convert|0.000555|AU|km mi|abbr=on}} ||align="center"|0.22 |
|2017-02-24 || {{mp|2017 DG|16}} ||{{convert|0.000555|AU|km mi|abbr=on}} ||align="center"|0.22{{Efn|This is the closest any known asteroid has passed to the Moon in nearly three years, after {{mp|2014 GY|44}} passed 0.097 LD from the Moon in March 2014.}} ||align="center"|3–9 ||align="center"|29.3<ref name="2017DG16"/> ||align="center"|0.36 |
||
|- |
|- |
||
|2017-02-25 || {{mp|2017 DR|34}} ||{{convert|0.00179|AU|km mi|abbr=on}} ||align="center"|0.70 ||align="center"|3–11 ||align="center"|29.1<ref name="2017DG16"/> ||align="center"|0.58 |
|2017-02-25 || {{mp|2017 DR|34}} ||{{convert|0.00179|AU|km mi|abbr=on}} ||align="center"|0.70 ||align="center"|3–11 ||align="center"|29.1<ref name="2017DG16"/> ||align="center"|0.58 |
||
| Line 224: | Line 345: | ||
|2017-10-12 || {{mpl|2012 TC|4}} ||{{convert|0.00186|AU|km mi|abbr=on}} ||align="center"|0.72 ||align="center"|10–31 ||align="center"|26.7<ref name="2012TC4"/> ||align="center"|0.23 |
|2017-10-12 || {{mpl|2012 TC|4}} ||{{convert|0.00186|AU|km mi|abbr=on}} ||align="center"|0.72 ||align="center"|10–31 ||align="center"|26.7<ref name="2012TC4"/> ||align="center"|0.23 |
||
|- |
|- |
||
|2017-10-13 || YT80190 ||{{convert|0.00208|AU|km mi|abbr=on}} ||align="center"|0.81 |
|2017-10-13 || YT80190 ||{{convert|0.00208|AU|km mi|abbr=on}} ||align="center"|0.81{{Efn|distance error: 0.00000802 AU, approach range: 0.807 to 0.814 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.}} ||align="center"|2–6 ||align="center"|30.4 ||align="center"|0.21 |
||
|- |
|- |
||
|2017-10-17 || {{mp|2017 TH|5}} ||{{convert|0.00142|AU|km mi|abbr=on}} ||align="center"|0.55 ||align="center"|4–18 ||align="center"|28.2<ref name="2017TH5"/> ||align="center"|0.26 |
|2017-10-17 || {{mp|2017 TH|5}} ||{{convert|0.00142|AU|km mi|abbr=on}} ||align="center"|0.55 ||align="center"|4–18 ||align="center"|28.2<ref name="2017TH5"/> ||align="center"|0.26 |
||
| Line 232: | Line 353: | ||
|2017-10-20 || {{mp|2017 TD|6}} ||{{convert|0.000756|AU|km mi|abbr=on}} ||align="center"|0.29 ||align="center"|7–28 ||align="center"|27.2<ref name="2017TD6"/> ||align="center"|0.50 |
|2017-10-20 || {{mp|2017 TD|6}} ||{{convert|0.000756|AU|km mi|abbr=on}} ||align="center"|0.29 ||align="center"|7–28 ||align="center"|27.2<ref name="2017TD6"/> ||align="center"|0.50 |
||
|- |
|- |
||
|2017-10-20 || {{mp|2017 UA|52}} ||{{convert|0.000288|AU|km mi|abbr=on}} ||align="center"|0.11 |
|2017-10-20 || {{mp|2017 UA|52}} ||{{convert|0.000288|AU|km mi|abbr=on}} ||align="center"|0.11{{Efn|This is the closest any known asteroid has passed to the Moon in nearly three years (even closer than {{mp|2017 DG|16}}) after {{mp|2014 GY|44}} passed 0.097 LD from the Moon in March 2014.}} ||align="center"|4–15 ||align="center"|28.3<ref name="2017UA52"/> ||align="center"|0.51 |
||
|- |
|- |
||
|2017-10-22 || YU95BEF ||{{convert|0.000481|AU|km mi|abbr=on}} ||align="center"|0.19 |
|2017-10-22 || YU95BEF ||{{convert|0.000481|AU|km mi|abbr=on}} ||align="center"|0.19{{Efn|distance error: 0.00000171 AU, approach range: 0.181 to 0.194 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.}} ||align="center"|5–15 ||align="center"|28.2 ||align="center"|0.051 |
||
|- |
|- |
||
|2017-10-24 || {{mp|2017 UK|3}} ||{{convert|0.00207|AU|km mi|abbr=on}} ||align="center"|0.80 ||align="center"|7–28 ||align="center"|27.2<ref name="2017UK3">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017UK3;cad=1#cad |title=JPL Small-Body Database Browser: (2017 UK3) |type=last observation: 2017-10-23}}</ref> ||align="center"|1.38 |
|2017-10-24 || {{mp|2017 UK|3}} ||{{convert|0.00207|AU|km mi|abbr=on}} ||align="center"|0.80 ||align="center"|7–28 ||align="center"|27.2<ref name="2017UK3">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017UK3;cad=1#cad |title=JPL Small-Body Database Browser: (2017 UK3) |type=last observation: 2017-10-23}}</ref> ||align="center"|1.38 |
||
| Line 240: | Line 361: | ||
|2017-11-09 || {{mp|2017 VL|2}} ||{{convert|0.00254|AU|km mi|abbr=on}} ||align="center"|0.990 ||align="center"|13–42 ||align="center"|26.1<ref name="2017VL2"/> ||align="center"|0.31 |
|2017-11-09 || {{mp|2017 VL|2}} ||{{convert|0.00254|AU|km mi|abbr=on}} ||align="center"|0.990 ||align="center"|13–42 ||align="center"|26.1<ref name="2017VL2"/> ||align="center"|0.31 |
||
|- |
|- |
||
|2017-11-09 || A104Vqx ||{{convert|0.00204|AU|km mi|abbr=on}} ||align="center"|0.80 |
|2017-11-09 || A104Vqx ||{{convert|0.00204|AU|km mi|abbr=on}} ||align="center"|0.80{{Efn|distance error: 0.0000188 AU, approach range: 0.788 to 0.803 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.}} ||align="center"|4–14 ||align="center"|28.4 ||align="center"|0.086 |
||
|- |
|- |
||
|2017-11-13 || {{mp|2017 VF|14}} ||{{convert|0.00243|AU|km mi|abbr=on}} ||align="center"|0.94 ||align="center"|4–14 ||align="center"|28.5<ref name="2017VF14"/> ||align="center"|0.80 |
|2017-11-13 || {{mp|2017 VF|14}} ||{{convert|0.00243|AU|km mi|abbr=on}} ||align="center"|0.94 ||align="center"|4–14 ||align="center"|28.5<ref name="2017VF14"/> ||align="center"|0.80 |
||
|- |
|- |
||
|2017-11-14 || P10ELNY ||{{convert|0.00196|AU|km mi|abbr=on}} ||align="center"|0.76 |
|2017-11-14 || P10ELNY ||{{convert|0.00196|AU|km mi|abbr=on}} ||align="center"|0.76{{Efn|distance error: 0.000177 AU, approach range: 0.69 to 0.83 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.}} ||align="center"|4–12 ||align="center"|28.8 ||align="center"|0.083 |
||
|- |
|- |
||
|2017-12-18 || {{mp|2017 YJ|1}} ||{{convert|0.00142|AU|km mi|abbr=on}} ||align="center"|0.55 ||align="center"|6–26 ||align="center"|27.5<ref name="2017YJ1">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017YJ1;cad=1#cad |title=JPL Small-Body Database Browser: (2017 YJ1) |type=last observation: 2017-12-31}}</ref> ||align="center"|1.044 |
|2017-12-18 || {{mp|2017 YJ|1}} ||{{convert|0.00142|AU|km mi|abbr=on}} ||align="center"|0.55 ||align="center"|6–26 ||align="center"|27.5<ref name="2017YJ1">{{cite web |url=http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017YJ1;cad=1#cad |title=JPL Small-Body Database Browser: (2017 YJ1) |type=last observation: 2017-12-31}}</ref> ||align="center"|1.044 |
||
| Line 250: | Line 371: | ||
|2017-12-28 || {{mp|2017 YZ|4}} ||{{convert|0.00175|AU|km mi|abbr=on}} ||align="center"|0.68 ||align="center"|4–18 ||align="center"|28.2<ref name="2017YZ4"/> ||align="center"|0.58 |
|2017-12-28 || {{mp|2017 YZ|4}} ||{{convert|0.00175|AU|km mi|abbr=on}} ||align="center"|0.68 ||align="center"|4–18 ||align="center"|28.2<ref name="2017YZ4"/> ||align="center"|0.58 |
||
|} |
|} |
||
=== Notes === |
=== Notes === |
||
{{Notelist}} |
|||
{{Reflist|group="note2"}} |
|||
==Additional examples== |
==Additional examples== |
||
[[File:2017 BQ6 radar rotation.gif|thumb|Radar animation of {{mpl|2017 BQ|6}} during closest approach on 7 February 2017]] |
|||
[[File:2017NEAs.png|1000px|right]] |
|||
[[File:PIA21597 - New Radar Images of Asteroid 2014 JO25 (cropped).gif|thumb|Radar animation of {{mpl|2014 JO|25}} during closest approach on 19 April 2017]] |
|||
An example list of near-Earth asteroids that passed or will pass more than 1 lunar distance (384,400 km or 0.00256 AU) from Earth in 2017. |
|||
An example list of near-Earth asteroids that passed or will pass more than 1 lunar distance (384,400 km or 0.00256 AU) from Earth in 2017. |
|||
{| class="wikitable sortable" |
{| class="wikitable sortable" |
||
!Object||data-sort-type="number"|Size< |
! Object || data-sort-type="number" | Size<br />(meters) || data-sort-type="number" | [[Lunar distance (astronomy)|Lunar<br />distances]] || data-sort-type="date" | Date |
||
|- |
|- |
||
|{{ |
|{{mp|2017 AP|19}} ||65||3.34 ||6 January 2017 |
||
|- |
|- |
||
|{{mp|2017 BJ|30}} |
|{{mp|2017 BJ|30}}<ref name="SBDB-2017BJ30">{{Cite sbdb |title=(2017 BJ30) |id=3767159 |orbit=yes }}</ref> || 16 || 1.03 || 31 January 2017 |
||
|- |
|- |
||
|{{mpl|2017 BQ|6}} ||186||6.57 ||7 February 2017 |
|{{mpl|2017 BQ|6}} ||186||6.57 ||7 February 2017 |
||
|- |
|- |
||
|{{mp|2017 DZ|37}} |
|{{mp|2017 DZ|37}}<ref name="SBDB-2017DZ37">{{Cite sbdb |title=(2017 DZ37) |id=3770154 |orbit=yes }}</ref> || 7 || 1.005 || 23 February 2017 |
||
|- |
|- |
||
|{{mp|2017 DV|36}} |
|{{mp|2017 DV|36}}<ref name="SBDB-2017DV36">{{Cite sbdb |title=(2017 DV36) |id=3769919 |orbit=yes }}</ref> || 9 || 1.02 || 27 February 2017 |
||
|- |
|- |
||
|{{ |
|{{mp|1998 SL|36}}<ref name="SBDB-1998SL36">{{Cite sbdb |title=(1998 SL36) |id=3014117 |orbit=yes }}</ref> || 313 || 8.34 || 16 March 2017 |
||
|- |
|- |
||
|{{mp|2017 FT|102}} |
|{{mp|2017 FT|102}}<ref name="SBDB-2017FT102">{{Cite sbdb |title=(2017 FT102) |id=3773057 |orbit=yes }}</ref> || 4 || 1.05<br />1.04 moon || 3 April 2017 |
||
|- |
|- |
||
|{{mpl|2014 JO|25}} ||823||4.57||19 April 2017 |
|{{mpl|2014 JO|25}}<ref name="SBDB-2014JO25">{{Cite sbdb |title=(2014 JO25) |id=3670721 |orbit=yes }}</ref> || 823 || 4.57 || 19 April 2017 |
||
|- |
|- |
||
|{{ |
|{{mp|(418094) 2007 WV|4}}<ref name="SBDB-2007WV4">{{Cite sbdb |title=418094 (2007 WV4) |id=2418094 |orbit=yes }}</ref> || 890 || 7.96 || 1 June 2017 |
||
|- |
|- |
||
|{{mp|2017 KQ|27}} |
|{{mp|2017 KQ|27}}<ref name="SBDB-2017KQ27">{{Cite sbdb |title=(2017 KQ27) |id=3775038 |orbit=yes }}</ref> || 30 || 1.02<br />1.34 moon || 6 June 2017 |
||
|- |
|- |
||
| 2017 MF |
| 2017 MF<ref name="SBDB-2017MF">{{Cite sbdb |title=(2017 MF) |id=3775253 |orbit=yes }}</ref> || 20 || 1.21 moon || 19 June 2017 |
||
|- |
|- |
||
|{{mp|2017 NT|5}} |
|{{mp|2017 NT|5}}<ref name="SBDB-2017NT5">{{Cite sbdb |title=(2017 NT5) |id=3776550 |orbit=yes }}</ref> || 110 || 1.11 <br />1.27 moon || 14 July 2017 |
||
|- |
|- |
||
|{{mp|2006 SR|131}} ||8||0.32 and 11 || |
|{{mp|2006 SR|131}}<ref name="SBDB-2006SR131">{{Cite sbdb |title=(2006 SR131) |id=3345302 |orbit=yes }}</ref> || 8 || 0.32 and 11<br />{{Clarify|date=March 2020|reason=What does this mean?}} || data-sort-value="17 September 2017" | 17–28 September 2017 |
||
|- |
|- |
||
|1989 VB ||394||7.88||29 September 2017 |
|{{mp|(496817) 1989 VB}}<ref name="SBDB-1989VB">{{Cite sbdb |title=496817 (1989 VB) |id=2496817 |orbit=yes }}</ref> || 394 || 7.88 || 29 September 2017 |
||
|- |
|- |
||
|YT83F29 ||4||2.6< |
|YT83F29<br />{{Citation needed|date=March 2020|reason=Not in SBDB}} || 4 || 2.6<br />0.73 moon || 14 October 2017 |
||
|- |
|- |
||
|{{mp|(171576) 1999 VP|11}} |
|{{mp|(171576) 1999 VP|11}}<ref name="SBDB-1999VP11">{{Cite sbdb |title=171576 (1999 VP11) |id=2171576 |orbit=yes }}</ref> || 685 || 5.77 || 22 October 2017 |
||
|- |
|- |
||
|(444584) 2006 UK |
|(444584) 2006 UK<ref name="SBDB-2006UK">{{Cite sbdb |title=444584 (2006 UK) |id=2444584 |orbit=yes }}</ref> || 313 || 8.66 || 17 November 2017 |
||
|} |
|} |
||
==Statistics== |
==Statistics== |
||
[[File:2017NEAs.png|700px|right|Graph of near-Earth object sizes and close approaches in 2017. Shown here, asteroid {{mpl|2014 JO|25}} was the largest asteroid that has approached within 5 LD from Earth in 2017.]] |
|||
{{Bar graph |
{{Bar graph |
||
| title = Discoveries by month |
| title = Discoveries by month |
||
| float = |
| float = left |
||
| data_max = 15 |
| data_max = 15 |
||
| bar_width = 15 |
| bar_width = 15 |
||
| width_units = em |
| width_units = em |
||
| label_type = month |
| label_type = month |
||
| data_type = <1 |
| data_type = <1 LD |
||
| label1 = January |
| label1 = January |
||
| data1 = 3 |
| data1 = 3 |
||
| Line 327: | Line 451: | ||
| label12 = December |
| label12 = December |
||
| data12 = 2 |
| data12 = 2 |
||
| col2_data_type= <5 |
| col2_data_type= <5 LD |
||
| col2_data_max = 60 |
| col2_data_max = 60 |
||
| col2_data1 = 17 |
| col2_data1 = 17 |
||
| Line 344: | Line 468: | ||
{{Bar graph |
{{Bar graph |
||
| title = Discoveries by size |
| title = Discoveries by size |
||
| float = |
| float = left |
||
| data_max = 20 |
| data_max = 20 |
||
| bar_width = 15 |
| bar_width = 15 |
||
| width_units = em |
| width_units = em |
||
| label_type = [[Absolute magnitude|Abs. mag]] |
| label_type = [[Absolute magnitude|Abs. mag]] |
||
| data_type = <1 |
| data_type = <1 LD |
||
| label1 = H <20 |
| label1 = H <20 |
||
| data1 = 0 |
| data1 = 0 |
||
| Line 378: | Line 502: | ||
| label14 = <33 |
| label14 = <33 |
||
| data14 = 1 |
| data14 = 1 |
||
| col2_data_type= <5 |
| col2_data_type= <5 LD |
||
| col2_data_max = 100 |
| col2_data_max = 100 |
||
| col2_data1 = 1 |
| col2_data1 = 1 |
||
| Line 397: | Line 521: | ||
{{Bar graph |
{{Bar graph |
||
| title = Discoveries by survey |
| title = Discoveries by survey |
||
| float = |
| float = left |
||
| data_max = 30 |
| data_max = 30 |
||
| bar_width = 15 |
| bar_width = 15 |
||
| width_units = em |
| width_units = em |
||
| label_type = Survey |
| label_type = Survey |
||
| data_type = <1 |
| data_type = <1 LD |
||
| label1 = [[Mount Nyukasa Station|408 |
| label1 = [[Mount Nyukasa Station|408{{Snd}} Mount Nyukasa Station]] |
||
| data1 = 0 |
| data1 = 0 |
||
| label2 = [[Catalina Sky Survey|703 |
| label2 = [[Catalina Sky Survey|703{{Snd}} Catalina Sky Survey]] |
||
| data2 = 12 |
| data2 = 12 |
||
| label3 = [[MIT Lincoln Laboratory#Lincoln Laboratory's ETS|704 |
| label3 = [[MIT Lincoln Laboratory#Lincoln Laboratory's ETS|704{{Snd}} Lincoln Laboratory ETS]] |
||
| data3 = 0 |
| data3 = 0 |
||
| label4 = [[Wide-field Infrared Survey Explorer|C51 |
| label4 = [[Wide-field Infrared Survey Explorer|C51{{Snd}} WISE]] |
||
| data4 = 0 |
| data4 = 0 |
||
| label5 = [[Pan-STARRS|F51 |
| label5 = [[Pan-STARRS|F51{{Snd}} Pan-STARRS 1]] |
||
| data5 = 10 |
| data5 = 10 |
||
| label6 = [[Space Surveillance Telescope|G45 |
| label6 = [[Space Surveillance Telescope|G45{{Snd}} Space Surveillance Telescope]] |
||
| data6 = 0 |
| data6 = 0 |
||
| label7 = [[Mount Lemmon Survey|G96 |
| label7 = [[Mount Lemmon Survey|G96{{Snd}} Mt. Lemmon Survey]] |
||
| data7 = 28 |
| data7 = 28 |
||
| label8 = [[Steward Observatory|I52 |
| label8 = [[Steward Observatory|I52{{Snd}} Steward Observatory, Mount Lemmon]] |
||
| data8 = 0 |
| data8 = 0 |
||
| label9 = [[OGS Telescope|J04 |
| label9 = [[OGS Telescope|J04{{Snd}} ESA OGS]] |
||
| data9 = 0 |
| data9 = 0 |
||
| label10 = [[Konkoly Observatory|K88 |
| label10 = [[Konkoly Observatory|K88{{Snd}} GINOP-KHK]] |
||
| data10 = 0 |
| data10 = 0 |
||
| label11 = [[Asteroid Terrestrial-impact Last Alert System|T05 |
| label11 = [[Asteroid Terrestrial-impact Last Alert System|T05{{Snd}} ATLAS{{Snd}} Haleakala]] |
||
| data11 = 2 |
| data11 = 2 |
||
| label12 = [[Asteroid Terrestrial-impact Last Alert System|T08 |
| label12 = [[Asteroid Terrestrial-impact Last Alert System|T08{{Snd}} ATLAS{{Snd}} Mauna Loa]] |
||
| data12 = 5 |
| data12 = 5 |
||
| label13 = [[SONEAR|Y00 |
| label13 = [[SONEAR|Y00{{Snd}} SONEAR]] |
||
| data13 = 0 |
| data13 = 0 |
||
| col2_data_type= <5 |
| col2_data_type= <5 LD |
||
| col2_data_max = 160 |
| col2_data_max = 160 |
||
| col2_data1 = 1 |
| col2_data1 = 1 |
||
| Line 445: | Line 569: | ||
| col2_data13 = 2 |
| col2_data13 = 2 |
||
}} |
}} |
||
{{clear}} |
|||
==Virtual |
==Virtual impactors== |
||
List of asteroids with a [[Palermo Technical Impact Hazard Scale]] greater than −6 that are listed on the [[Sentry Risk Table]] because they have short [[observation arc]]s with poorly constrained orbits and have a chance of [[Impact event|impacting]] Earth in 2017. Given a short observation arc, many different orbits fit the observed data. {{mp|2010 XB|73}} could have approached Earth around May 2017 or could have been 9 |
List of asteroids with a [[Palermo Technical Impact Hazard Scale]] greater than −6 that are listed on the [[Sentry Risk Table]] because they have short [[observation arc]]s with poorly constrained orbits and have a chance of [[Impact event|impacting]] Earth in 2017. Given a short observation arc, many different orbits fit the observed data. {{mp|2010 XB|73}} could have approached Earth around May 2017 or could have been 9 AU<ref name="ND10XB73"/> from Earth on the way to a close approach with Saturn in 2018. A Palermo rating of −4 indicates an event that is 10,000 times less likely than the background hazard level of Earth impacts, which is defined as the average risk posed by objects of the same size or larger over the years until the date of the potential impact. |
||
{| class="wikitable sortable" |
{| class="wikitable sortable" |
||
! Date |
! Date |
||
! Object |
! Object |
||
! Estimated<br>diameter<br>([[meter]]s) |
! Estimated<br />diameter<br />([[meter]]s) |
||
! [[Observation arc|Obs<br>arc]]<br>(days) |
! [[Observation arc|Obs<br />arc]]<br />(days) |
||
! Impact<br>probability<br>(1 |
! Impact<br />probability<br />(1 in) |
||
! [[Palermo Technical Impact Hazard Scale|Palermo<br>scale]] |
! [[Palermo Technical Impact Hazard Scale|Palermo<br />scale]] |
||
! [[JPL Horizons]]<br>[[Curve fitting|nominal]] geocentric<br>distance ([[astronomical unit|AU]]) |
! [[JPL Horizons]]<br />[[Curve fitting|nominal]] geocentric<br />distance ([[astronomical unit|AU]]) |
||
! [[NEODyS]]<br>nominal geocentric<br>distance (AU) |
! [[NEODyS]]<br />nominal geocentric<br />distance (AU) |
||
|-style="background:#cccccc;" |
|-style="background:#cccccc;" |
||
|2017-05-22<ref name="2010GZ60">2010 GZ60 -- Earth Impact Risk Summary (4 missed virtual impactors) {{ |
|2017-05-22<ref name="2010GZ60">2010 GZ60 -- Earth Impact Risk Summary (4 missed virtual impactors) {{Cite web |url=https://cneos.jpl.nasa.gov/sentry/details.html%23?des=2010%20GZ60 |title=Sentry: Earth Impact Monitoring |access-date=7 March 2020 |archive-url=https://archive.today/20170504175941/https://cneos.jpl.nasa.gov/sentry/details.html%23?des=2010%20GZ60 |archive-date=4 May 2017 |url-status=dead }}</ref> || {{mpl|2010 GZ|60}} || align="center"|2,000{{Efn|name=2010GZ60note|1=Discovered and only observed by [[Wide-field Infrared Survey Explorer|WISE]], an infrared telescope, so no apparent magnitude, and therefore estimated size was provided. As such, the size is only a rough estimate. Observation arc is only 1.3 days. [http://www.minorplanetcenter.net/db_search/show_object?object_id=2010+GZ60 Eccentricity is assumed] and the object is lost.}} || align="center"|1.3 || 830,000,000 || align="center"|-1.83 || {{convert|0.4|AU|km mi|abbr=on}} || Not listed |
||
|-style="background:#cccccc;" |
|-style="background:#cccccc;" |
||
|2017-05-25<ref name="2010XB73">2010 XB73 -- Earth Impact Risk Summary (2 missed virtual impactors) {{ |
|2017-05-25<ref name="2010XB73">2010 XB73 -- Earth Impact Risk Summary (2 missed virtual impactors) {{Cite web |url=http://neo.jpl.nasa.gov/risk/2010xb73.html |title=2010 XB73 Impact Risk |access-date=28 January 2018 |archive-url=https://web.archive.org/web/20160126225036/http://neo.jpl.nasa.gov/risk/2010xb73.html |archive-date=26 January 2016 |url-status=dead }}</ref> || {{mp|2010 XB|73}} || align="center"|110 || align="center"|1.1 || 120,000,000 || align="center"|-4.47 || {{convert|1.6|AU|km mi|abbr=on}} || {{convert|9.0|AU|km mi|abbr=on}}<ref name="ND10XB73">{{cite web |url=https://newton.spacedys.com/neodys/index.php?pc=1.1.3.1&n=2010XB73&oc=500&y0=2011&m0=1&d0=1&h0=0&mi0=0&y1=2018&m1=1&d1=1&h1=0&mi1=0&ti=90&tiu=days |title=NEODyS-2 Ephemerides for 2010XB73}} [https://newton.spacedys.com/neodys/index.php?pc=1.1.8&n=2010XB73 (Close Approaches)]</ref> |
||
|-style="background:#cccccc;" |
|-style="background:#cccccc;" |
||
|2017-08-19<ref name="2015ME131">2015 ME131 -- Earth Impact Risk Summary {{ |
|2017-08-19<ref name="2015ME131">2015 ME131 -- Earth Impact Risk Summary {{Cite web |url=http://neo.jpl.nasa.gov/risk/2015me131.html |title=2015 ME131 Impact Risk |access-date=28 January 2018 |archive-url=https://web.archive.org/web/20150801145113/http://neo.jpl.nasa.gov/risk/2015me131.html |archive-date=1 August 2015 |url-status=dead }}</ref> || {{mpl|2015 ME|131}} || align="center"|500 || align="center"|1.8 || 420,000,000 || align="center"|-3.41 || {{convert|0.4|AU|km mi|abbr=on}} || {{convert|0.4|AU|km mi|abbr=on}} |
||
|-style="background:#cccccc;" |
|-style="background:#cccccc;" |
||
|2017-09-18<ref name="2015HV182">2015 HV182 -- Earth Impact Risk Summary (4 missed virtual impactors) {{ |
|2017-09-18<ref name="2015HV182">2015 HV182 -- Earth Impact Risk Summary (4 missed virtual impactors) {{Cite web |url=http://neo.jpl.nasa.gov/risk/2015hv182.html |title=2015 HV182 Impact Risk |access-date=28 January 2018 |archive-url=https://web.archive.org/web/20150703114122/http://neo.jpl.nasa.gov/risk/2015hv182.html |archive-date=3 July 2015 |url-status=dead }}</ref> || {{mp|2015 HV|182}} || align="center"|157 || align="center"|0.9 || 7,700,000,000 || align="center"|-5.78 || {{convert|2.3|AU|km mi|abbr=on}} || {{convert|2.3|AU|km mi|abbr=on}} |
||
|-style="background:#cccccc;" |
|-style="background:#cccccc;" |
||
|2017-11-18<ref name="2008VS4">2008 VS4 -- Earth Impact Risk Summary (21 missed virtual impactors) {{ |
|2017-11-18<ref name="2008VS4">2008 VS4 -- Earth Impact Risk Summary (21 missed virtual impactors) {{Cite web |url=http://neo.jpl.nasa.gov/risk/2008vs4.html |title=2008 VS4 Impact Risk |access-date=28 January 2018 |archive-url=https://web.archive.org/web/20090117151434/http://neo.jpl.nasa.gov/risk/2008vs4.html |archive-date=17 January 2009 |url-status=dead }}</ref> || {{mp|2008 VS|4}} || align="center"|45 ||align="center"|0.083 || 100,000,000 || align="center"|-5.50 || {{convert|4.6|AU|km mi|abbr=on}} || {{convert|3.9|AU|km mi|abbr=on}} |
||
|-style="background:#cccccc;" |
|-style="background:#cccccc;" |
||
|2017-11-29<ref name="2007YM">2007 YM -- Earth Impact Risk Summary (3 missed virtual impactors) {{ |
|2017-11-29<ref name="2007YM">2007 YM -- Earth Impact Risk Summary (3 missed virtual impactors) {{Cite web |url=http://neo.jpl.nasa.gov/risk/2007ym.html |title=2007 YM Impact Risk |access-date=28 January 2018 |archive-url=https://web.archive.org/web/20080103105901/http://neo.jpl.nasa.gov/risk/2007ym.html |archive-date=3 January 2008 |url-status=dead }}</ref> || 2007 YM || align="center"|20 || align="center"|0.13 || 2,000,000 || align="center"|-5.21 || {{convert|5.1|AU|km mi|abbr=on}} || {{convert|5.1|AU|km mi|abbr=on}} |
||
|-style="background:#cccccc;" |
|-style="background:#cccccc;" |
||
|2017-12-01<ref name="2010GZ60"/> || {{mp|2010 GZ|60}} ||align="center"|2,000 |
|2017-12-01<ref name="2010GZ60"/> || {{mp|2010 GZ|60}} ||align="center"|2,000{{Efn|name=2010GZ60note}} || align="center"|1.3 || 10,000,000,000 || align="center"|-3.62 ||{{convert|1.0|AU|km mi|abbr=on}} || Not listed |
||
|-style="background:#cccccc;" |
|-style="background:#cccccc;" |
||
|2017-12-13<ref name="2005TM173">2005 TM173 -- Earth Impact Risk Summary (17 missed virtual impactors) {{ |
|2017-12-13<ref name="2005TM173">2005 TM173 -- Earth Impact Risk Summary (17 missed virtual impactors) {{Cite web |url=http://neo.jpl.nasa.gov/risk/2005tm173.html |title=2005 TM173 Impact Risk |access-date=28 January 2018 |archive-url=https://web.archive.org/web/20051231050330/http://neo.jpl.nasa.gov/risk/2005tm173.html |archive-date=31 December 2005 |url-status=dead }}</ref> || {{mp|2005 TM|173}} ||align="center"|53 ||align="center"|1.9 || 230,000,000 || align="center"|-5.98 ||{{convert|5.7|AU|km mi|abbr=on}} || {{convert|5.7|AU|km mi|abbr=on}} |
||
|-style="background:#cccccc;" |
|-style="background:#cccccc;" |
||
|2017-12-20<ref name="2010GZ60"/> || {{mp|2010 GZ|60}} ||align="center"|2,000 |
|2017-12-20<ref name="2010GZ60"/> || {{mp|2010 GZ|60}} ||align="center"|2,000{{Efn|name=2010GZ60note}} ||align="center"|1.3 || 83,000,000 || align="center"|-1.97 ||{{convert|1.2|AU|km mi|abbr=on}} || Not listed |
||
|} |
|} |
||
===Notes=== |
===Notes=== |
||
{{Notelist}} |
|||
{{reflist|group="note3"}} |
|||
== See also == |
== See also == |
||
| Line 492: | Line 617: | ||
== External links == |
== External links == |
||
*[http://neo.jpl.nasa.gov/cgi-bin/neo_ca?type=NEO&hmax=all&sort=date&sdir=DESC&tlim=current&dmax=5LD&max_rows=100&action=Display+Table&show_table=1 Near-Earth object close approaches ±30 days within 5 |
*[https://web.archive.org/web/20170205095947/http://neo.jpl.nasa.gov/cgi-bin/neo_ca?type=NEO&hmax=all&sort=date&sdir=DESC&tlim=current&dmax=5LD&max_rows=100&action=Display+Table&show_table=1 Near-Earth object close approaches ±30 days within 5 LD] (JPL) |
||
*[http://neo.ssa.esa.int/close-approaches Upcoming close approaches to Earth] (ESA) |
*[http://neo.ssa.esa.int/close-approaches Upcoming close approaches to Earth] (ESA) |
||
*[http://www.brera.mi.astro.it/sormano/teca.html Table of Asteroids Next Closest Approaches to the Earth] (Sormano Observatory) |
*[http://www.brera.mi.astro.it/sormano/teca.html Table of Asteroids Next Closest Approaches to the Earth] (Sormano Observatory) |
||
| Line 499: | Line 624: | ||
[[Category:Near-Earth objects in 2017|*]] |
[[Category:Near-Earth objects in 2017|*]] |
||
[[Category:Lists of asteroids]] |
[[Category:Lists of asteroids|close approaches to Earth in 2017]] |
||
[[Category:Near-Earth asteroids]] |
[[Category:Near-Earth asteroids]] |
||
Latest revision as of 16:42, 28 April 2024
| Time of discovery of asteroids which came closer to Earth than the Moon in 2017 | ||
| ||
Below is the list of asteroid close approaches to Earth in 2017.
Timeline of known close approaches less than one lunar distance from Earth in 2017[edit]
A list of known near-Earth asteroid close approaches less than 1 lunar distance (0.0025696 AU (384,410 km; 238,860 mi)) from Earth in 2017.[a]
For reference, the radius of Earth is approximately 0.0000426 AU (6,370 km; 3,960 mi) or 0.0166 lunar distances.
Geosynchronous satellites have an orbit with semi-major axis length of 0.000282 AU (42,200 km; 26,200 mi) or 0.110 lunar distances. In 2017, five known asteroids have traveled nearer than this, 2017 GM, 2017 UJ2, YU95BEF, 2017 EA, and 2017 WE30. P10ELNY and A104Vqx probably have traveled nearer, but knowledge of their orbits is too poor to be sure.
While most asteroids on this list are confirmed, well-observed unconfirmed objects with a 50% or greater chance of passing within 1 LD of the Earth are included as well.
This list does not include any of the 29 objects that collided with earth in 2017, none of which were discovered in advance, but were recorded by sensors designed to detect detonation of nuclear devices (of the 29 objects detected, 6 had an impact energy greater than that of a 1 kiloton device).[1]
Rows highlighted red indicate objects which were not discovered until after closest approach
Rows highlighted yellow indicate objects discovered less than 24 hours before closest approach
Rows highlighted green indicate objects discovered more than one week before closest approach
Rows highlighted turquoise indicate objects discovered more than 7 weeks before closest approach
Rows highlighted blue indicate objects discovered more than one year before closest approach (i.e.
objects successfully cataloged on a previous orbit, rather than being detected during final approach)
| Date of closest approach |
Date discovered |
Object | Nominal geocentric distance (AU)[b] |
Nominal geocentric dist. (LD) |
Size (m) (approx.) |
(H) (mag) |
Closer to Moon? |
|---|---|---|---|---|---|---|---|
| 2017-01-09 | 2017-01-07[2] | 2017 AG13 | 0.00139 AU (208,000 km; 129,000 mi) | 0.54 | 13–41 | 26.1[3] | |
| 2017-01-25 | 2017-01-20[4] | 2017 BX | 0.00178 AU (266,000 km; 165,000 mi) | 0.69 | 5–18 | 28.0[5] | |
| 2017-01-30 | 2017-01-29[6] | 2017 BH30 | 0.000347 AU (51,900 km; 32,300 mi) | 0.13[c] | 4–12 | 28.8[7] | |
| 2017-02-02 | 2017-01-30[8] | 2017 BS32 | 0.00109 AU (163,000 km; 101,000 mi) | 0.42 | 7–24 | 27.3[9] | |
| 2017-02-23 | 2017-02-21[10] | 2017 DG16 | 0.000920 AU (137,600 km; 85,500 mi) | 0.36 | 3–9 | 29.3[11] | Yes |
| 2017-02-25 | 2017-02-22[12] | 2017 DR34 | 0.00149 AU (223,000 km; 139,000 mi) | 0.58 | 3–11 | 29.1[13] | |
| 2017-03-02 | 2017-03-02[14] | 2017 EA | 0.000140 AU (20,900 km; 13,000 mi) | 0.054 | 1–5 | 30.8[15] | |
| 2017-03-05 | 2017-02-27[16] | 2017 DS109 | 0.00236 AU (353,000 km; 219,000 mi) | 0.92 | 13–43 | 25.9[17] | |
| 2017-03-17 | 2017-03-19[18] | 2017 FD3 | 0.00120 AU (180,000 km; 112,000 mi) | 0.47 | 6–20 | 27.7[19] | |
| 2017-03-17 | 2017-03-19[20] | 2017 FW158 | 0.000815 AU (121,900 km; 75,800 mi) | 0.32 | 5–14 | 28.4[21] | |
| 2017-03-19 | 2017-03-17[22] | 2017 FS | 0.000730 AU (109,200 km; 67,900 mi) | 0.28 | 3–11 | 29.0[23] | |
| 2017-03-20 | 2017-03-21[24] | 2017 FX158 | 0.00182 AU (272,000 km; 169,000 mi) | 0.71 | 3–11 | 29.0[25] | |
| 2017-03-20 | 2017-03-20[26] | 2017 FN1 | 0.000423 AU (63,300 km; 39,300 mi) | 0.16 | 2–5 | 30.6[27] | |
| 2017-03-20 | 2017-03-20[28] | 2017 FM1 | 0.000856 AU (128,100 km; 79,600 mi) | 0.33 | 3–9 | 29.5[29] | |
| 2017-03-30 | 2017-03-25[30] | 2017 FJ101 | 0.00217 AU (325,000 km; 202,000 mi) | 0.85 | 4–15 | 28.5[31] | |
| 2017-04-02 | 2017-03-29[32] | 2017 FU102 | 0.00146 AU (218,000 km; 136,000 mi) | 0.57 | 4–13 | 28.7[33] | |
| 2017-04-04 | 2017-04-03[34] | 2017 GM | 0.000109 AU (16,300 km; 10,100 mi) | 0.042 | 2–7 | 29.9[35] | |
| 2017-04-16 | 2017-04-17[36] | 2017 HJ | 0.000908 AU (135,800 km; 84,400 mi) | 0.35 | 7–22 | 27.5[37] | |
| 2017-04-22 | 2017-04-26[38] | 2017 HG4 | 0.00156 AU (233,000 km; 145,000 mi) | 0.61 | 6–21 | 27.6[39] | |
| 2017-04-23 | 2017-04-22[40] | 2017 HV2 | 0.000838 AU (125,400 km; 77,900 mi) | 0.33 | 3–12 | 28.9[41] | |
| 2017-05-02 | 2017-05-01[42] | 2017 JA | 0.000666 AU (99,600 km; 61,900 mi) | 0.26 | 3–13 | 28.9[43] | |
| 2017-05-04 | 2017-05-02[44] | 2017 JQ1 | 0.00114 AU (171,000 km; 106,000 mi) | 0.44 | 3–9 | 29.4[45] | |
| 2017-05-04 | 2017-05-06[46] | 2017 JB2 | 0.000372 AU (55,700 km; 34,600 mi) | 0.14 | 3–11 | 29.0[47] | |
| 2017-07-21 | 2017-07-23[48] | 2017 OO1 | 0.000852 AU (127,500 km; 79,200 mi) | 0.33 | 26–93 | 24.4[49] | |
| 2017-08-14 | 2017-08-16[50] | 2017 QP1 | 0.000419 AU (62,700 km; 38,900 mi) | 0.16 | 31–91 | 24.3[51] | |
| 2017-08-20 | 2017-08-18[52] | 2017 QN2 | 0.00145 AU (217,000 km; 135,000 mi) | 0.56 | 5–22 | 27.9[53] | |
| 2017-09-03 | 2017-08-31[54] | 2017 QB35 | 0.00238 AU (356,000 km; 221,000 mi) | 0.93 | 3–9 | 29.3[55] | |
| 2017-09-14 | 2017-09-18[56] | 2017 SQ2 | 0.00133 AU (199,000 km; 124,000 mi) | 0.52 | 14–49 | 25.8[57] | |
| 2017-09-20 | 2017-09-17[58] | 2017 SM2 | 0.00207 AU (310,000 km; 192,000 mi) | 0.81 | 6–26 | 27.3[59] | |
| 2017-09-20 | 2017-09-21[60] | 2017 SZ32 | 0.00137 AU (205,000 km; 127,000 mi) | 0.53 | 3–9 | 29.2[61] | Yes |
| 2017-09-20 | 2017-09-20[62] | 2017 SR2 | 0.000623 AU (93,200 km; 57,900 mi) | 0.24 | 4–12 | 28.5[63] | |
| 2017-09-24 | 2017-09-25[64] | 2017 SS12 | 0.00172 AU (257,000 km; 160,000 mi) | 0.67 | 8–27 | 27.0[65] | Yes |
| 2017-09-30 | 2017-10-01[66] | 2017 TQ2 | 0.000691 AU (103,400 km; 64,200 mi) | 0.27 | 3–8 | 29.4[67] | |
| 2017-10-02 | 2017-09-29[68] | 2017 SX17 | 0.00058 AU (87,000 km; 54,000 mi) | 0.23 | 4–16 | 28.1[69] | |
| 2017-10-10 | 2017-10-14[70] | 2017 TF5 | 0.00187 AU (280,000 km; 174,000 mi) | 0.73 | 20–95 | 24.7[71] | |
| 2017-10-12 | 2012-10-04[72] | 2012 TC4 | 0.000335 AU (50,100 km; 31,100 mi) | 0.13[d] | 10–31 | 26.7[73] | |
| 2017-10-13 | 2017-10-21[74] (Unconfirmed) |
YT80190 | 0.000537 AU (80,300 km; 49,900 mi) | 0.21[e] | 2–6 | 30.4 | |
| 2017-10-15 | 2017-10-16[75] | 2017 UF | 0.00255 AU (381,000 km; 237,000 mi) | 0.992 | 5–20 | 27.9[76] | |
| 2017-10-16 | 2017-10-15[77] | 2017 TH5 | 0.000668 AU (99,900 km; 62,100 mi) | 0.26 | 4–18 | 28.2[78] | |
| 2017-10-17 | 2017-10-19[79] | 2017 UR2 | 0.00213 AU (319,000 km; 198,000 mi) | 0.83 | 6–19 | 27.8[80] | |
| 2017-10-19 | 2017-10-11[81] | 2017 TD6 | 0.00128 AU (191,000 km; 119,000 mi) | 0.50 | 7–28 | 27.2[82] | Yes |
| 2017-10-20 | 2017-10-21[83] | 2017 UJ2 | 0.000120 AU (18,000 km; 11,200 mi) | 0.047 | 1–5 | 30.8[84] | |
| 2017-10-21 | 2017-10-25[85] | 2017 UA52 | 0.00132 AU (197,000 km; 123,000 mi) | 0.51 | 4–15 | 28.5[86] | Yes |
| 2017-10-22 | 2017-10-30[74] (Unconfirmed) |
YU92F9B | 0.00121 AU (181,000 km; 112,000 mi) | 0.47[f] | 3–10 | 29.2 | |
| 2017-10-22 | 2017-10-30[74] (Unconfirmed) |
YU95BEF | 0.000130 AU (19,400 km; 12,100 mi) | 0.051[g] | 5–15 | 28.2 | |
| 2017-10-28 | 2017-10-27[87] | 2017 UL6 | 0.000398 AU (59,500 km; 37,000 mi) | 0.16 | 1–3 | 32.0[88] | |
| 2017-10-30 | 2017-10-29[89] | 2017 UK8 | 0.00151 AU (226,000 km; 140,000 mi) | 0.59 | 4–17 | 28.3[90] | |
| 2017-11-04 | 2017-11-05[91] | 2017 VE | 0.00227 AU (340,000 km; 211,000 mi) | 0.88 | 10–31 | 26.6[92] | |
| 2017-11-08 | 2017-11-16[74] (Unconfirmed) |
A104Vqx | 0.000222 AU (33,200 km; 20,600 mi) | 0.086[h] | 4–14 | 28.4 | |
| 2017-11-09 | 2017-11-10[93] | 2017 VL2 | 0.000787 AU (117,700 km; 73,200 mi) | 0.31 | 13–42 | 26.1[94] | |
| 2017-11-13 | 2017-11-15[95] | 2017 VF14 | 0.00205 AU (307,000 km; 191,000 mi) | 0.80 | 4–14 | 28.5[96] | |
| 2017-11-14 | 2017-11-20[74] (Unconfirmed) |
P10ELNY | 0.000212 AU (31,700 km; 19,700 mi) | 0.083[i] | 4–12 | 28.8 | |
| 2017-11-21 | 2017-11-20[97] | 2017 WW1 | 0.000942 AU (140,900 km; 87,600 mi) | 0.37 | 3–7 | 29.7[98] | |
| 2017-11-21 | 2017-11-22[99] | 2017 WA14 | 0.000633 AU (94,700 km; 58,800 mi) | 0.25 | 6–26 | 27.5[100] | |
| 2017-11-26 | 2017-11-26[101] | 2017 WE30 | 0.000201 AU (30,100 km; 18,700 mi) | 0.078 | 1–3 | 31.9[102] | |
| 2017-12-28 | 2017-12-25[103] | 2017 YZ4 | 0.00149 AU (223,000 km; 139,000 mi) | 0.58 | 4–18 | 28.2[104] | |
| 2017-12-30 | 2017-12-28[105] | 2017 YE7 | 0.00206 AU (308,000 km; 191,000 mi) | 0.80 | 4–13 | 28.5[106] |
Warning times by size[edit]
This sub-section visualises the warning times of the close approaches listed in the above table, depending on the size of the asteroid. The sizes of the charts show the relative sizes of the asteroids to scale. For comparison, the approximate size of a person is also shown. This is based the absolute magnitude of each asteroid, an approximate measure of size based on brightness.
Abs Magnitude 30 and greater
(size of a person for comparison)
Abs Magnitude 29-30
Absolute Magnitude 28-29
Absolute Magnitude 27-28
Absolute Magnitude 26-27
Absolute Magnitude 25-26
Absolute Magnitude less than 25 (largest)
- After closest approach: 3 (100.0%)
- < 24 hours before: 0 (0.0%)
- up to 7 days before: 0 (0.0%)
- > one week before: 0 (0.0%)
- > 7 weeks before: 0 (0.0%)
- > one year before: 0 (0.0%)
Notes[edit]
- ^ For a list of current Earth close approaches see NEO Earth Close Approaches
- ^ Distance from the center of Earth to the center of the object. See the NASA/JPL Solar System Dynamics Glossary: Geocentric. Earth has a radius of approximately 6,400 km.
- ^ Closest approach for 2017 BH30 was over the Taymyr Peninsula.
- ^ This will mark the first time an asteroid was observed passing less than 1 LD to the Earth on two different occasions.
- ^ distance error: 0.0000894 AU, approach range: 0.17 to 0.24 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.
- ^ distance error: 0.000283 AU, approach range: 0.36 to 0.58 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.
- ^ distance error: 0.0000611 AU, approach range: 0.027 to 0.074 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.
- ^ distance error: 0.000163 AU, approach range: 0.023 to 0.15 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.
- ^ distance error: 0.000121 AU, approach range: 0.035 to 0.13 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.
Timeline of close approaches less than one lunar distance from the Moon in 2017[edit]
The number of asteroids listed here are significantly less than those of asteroids that approach Earth for several reasons. Asteroids that approach Earth not only move faster, but are brighter and are easier to detect with modern surveys because:
- Asteroids that come closer to Earth are a higher priority to confirm, and only confirmed asteroids are listed with a lunocentric approach distance.
- Those that closely approach the Moon are frequently lost in its glare, making them harder to confirm. They are similarly hard to discover during the new moon, when the Moon is too close to the Sun to detect asteroids while they are near the Moon.
These factors severely limit the amount of Moon-approaching asteroids, to a level many times lower than the asteroids detected passing as close to Earth.
| Date of closest approach |
Object | Nominal lunocentric distance (AU)[a] |
Nominal lunocentric distance (LD) |
Size (m) (approximate) |
(H) | Approach distance to Earth (LD) |
|---|---|---|---|---|---|---|
| 2017-01-25 | 2017 BA7 | 0.00187 AU (280,000 km; 174,000 mi) | 0.73 | 5–16 | 28.1[107] | 1.12 |
| 2017-01-25 | 2017 BX | 0.00209 AU (313,000 km; 194,000 mi) | 0.81 | 5–18 | 28.0[5] | 0.69 |
| 2017-01-30 | 2017 BH30 | 0.00187 AU (280,000 km; 174,000 mi) | 0.73 | 4–12 | 28.8[7] | 0.13 |
| 2017-02-03 | 2017 BS32 | 0.00193 AU (289,000 km; 179,000 mi) | 0.75 | 7–24 | 27.3[9] | 0.42 |
| 2017-02-24 | 2017 DG16 | 0.000555 AU (83,000 km; 51,600 mi) | 0.22[b] | 3–9 | 29.3[11] | 0.36 |
| 2017-02-25 | 2017 DR34 | 0.00179 AU (268,000 km; 166,000 mi) | 0.70 | 3–11 | 29.1[11] | 0.58 |
| 2017-03-02 | 2017 EA | 0.00224 AU (335,000 km; 208,000 mi) | 0.87 | 1–5 | 30.8[15] | 0.054 |
| 2017-03-17 | 2017 FD3 | 0.00236 AU (353,000 km; 219,000 mi) | 0.92 | 6–20 | 27.7[19] | 0.47 |
| 2017-03-17 | 2017 FW158 | 0.00104 AU (156,000 km; 97,000 mi) | 0.40 | 5–14 | 28.4[21] | 0.32 |
| 2017-04-04 | 2017 GM | 0.00227 AU (340,000 km; 211,000 mi) | 0.88 | 2–7 | 29.9[35] | 0.042 |
| 2017-04-21 | 2017 HG4 | 0.00177 AU (265,000 km; 165,000 mi) | 0.69 | 6–21 | 27.6[39] | 0.61 |
| 2017-04-24 | 2017 HV2 | 0.00230 AU (344,000 km; 214,000 mi) | 0.90 | 3–12 | 28.9[41] | 0.33 |
| 2017-05-02 | 2017 JA | 0.00251 AU (375,000 km; 233,000 mi) | 0.98 | 3–13 | 28.9[43] | 0.26 |
| 2017-05-02 | 2017 JB2 | 0.00188 AU (281,000 km; 175,000 mi) | 0.73 | 3–11 | 29.0[47] | 0.14 |
| 2017-05-03 | 2017 JQ1 | 0.00247 AU (370,000 km; 230,000 mi) | 0.96 | 3–9 | 29.4[45] | 0.44 |
| 2017-05-31 | 2017 KW31 | 0.00114 AU (171,000 km; 106,000 mi) | 0.45 | 10–36 | 26.5[108] | 1.23 |
| 2017-07-21 | 2017 OO1 | 0.00236 AU (353,000 km; 219,000 mi) | 0.92 | 25–90 | 24.5[49] | 0.30 |
| 2017-08-14 | 2017 QP1 | 0.00230 AU (344,000 km; 214,000 mi) | 0.90 | 31–91 | 24.3[51] | 0.16 |
| 2017-08-21 | 2017 QN2 | 0.00176 AU (263,000 km; 164,000 mi) | 0.69 | 5–22 | 27.9[53] | 0.56 |
| 2017-08-26 | 2017 QQ17 | 0.00242 AU (362,000 km; 225,000 mi) | 0.94 | 4–17 | 28.3[109] | 1.02 |
| 2017-09-03 | 2017 QB35 | 0.00245 AU (367,000 km; 228,000 mi) | 0.95 | 3–9 | 29.3[55] | 0.93 |
| 2017-09-16 | 2017 RW17 | 0.00175 AU (262,000 km; 163,000 mi) | 0.68 | 2–7 | 29.8[110] | 1.08 |
| 2017-09-20 | 2017 SZ32 | 0.00129 AU (193,000 km; 120,000 mi) | 0.50 | 3–9 | 29.2[61] | 0.53 |
| 2017-09-20 | 2017 SM2 | 0.00213 AU (319,000 km; 198,000 mi) | 0.83 | 6–26 | 27.3[59] | 0.81 |
| 2017-09-24 | 2017 SS12 | 0.000320 AU (47,900 km; 29,700 mi) | 0.12 | 8–27 | 27.0[65] | 0.67 |
| 2017-09-30 | 2017 TQ2 | 0.00221 AU (331,000 km; 205,000 mi) | 0.86 | 3–8 | 29.4[67] | 0.27 |
| 2017-10-02 | 2017 SX17 | 0.00174 AU (260,000 km; 162,000 mi) | 0.68 | 4–16 | 28.1[69] | 0.22 |
| 2017-10-12 | 2012 TC4 | 0.00186 AU (278,000 km; 173,000 mi) | 0.72 | 10–31 | 26.7[73] | 0.23 |
| 2017-10-13 | YT80190 | 0.00208 AU (311,000 km; 193,000 mi) | 0.81[c] | 2–6 | 30.4 | 0.21 |
| 2017-10-17 | 2017 TH5 | 0.00142 AU (212,000 km; 132,000 mi) | 0.55 | 4–18 | 28.2[78] | 0.26 |
| 2017-10-20 | 2017 UJ2 | 0.00166 AU (248,000 km; 154,000 mi) | 0.65 | 1–5 | 30.8[84] | 0.047 |
| 2017-10-20 | 2017 TD6 | 0.000756 AU (113,100 km; 70,300 mi) | 0.29 | 7–28 | 27.2[82] | 0.50 |
| 2017-10-20 | 2017 UA52 | 0.000288 AU (43,100 km; 26,800 mi) | 0.11[d] | 4–15 | 28.3[86] | 0.51 |
| 2017-10-22 | YU95BEF | 0.000481 AU (72,000 km; 44,700 mi) | 0.19[e] | 5–15 | 28.2 | 0.051 |
| 2017-10-24 | 2017 UK3 | 0.00207 AU (310,000 km; 192,000 mi) | 0.80 | 7–28 | 27.2[111] | 1.38 |
| 2017-11-09 | 2017 VL2 | 0.00254 AU (380,000 km; 236,000 mi) | 0.990 | 13–42 | 26.1[94] | 0.31 |
| 2017-11-09 | A104Vqx | 0.00204 AU (305,000 km; 190,000 mi) | 0.80[f] | 4–14 | 28.4 | 0.086 |
| 2017-11-13 | 2017 VF14 | 0.00243 AU (364,000 km; 226,000 mi) | 0.94 | 4–14 | 28.5[96] | 0.80 |
| 2017-11-14 | P10ELNY | 0.00196 AU (293,000 km; 182,000 mi) | 0.76[g] | 4–12 | 28.8 | 0.083 |
| 2017-12-18 | 2017 YJ1 | 0.00142 AU (212,000 km; 132,000 mi) | 0.55 | 6–26 | 27.5[112] | 1.044 |
| 2017-12-28 | 2017 YZ4 | 0.00175 AU (262,000 km; 163,000 mi) | 0.68 | 4–18 | 28.2[104] | 0.58 |
Notes[edit]
- ^ Distance from the center of the Moon to the center of the object. The Moon has a radius of approximately 1,740 km.
- ^ This is the closest any known asteroid has passed to the Moon in nearly three years, after 2014 GY44 passed 0.097 LD from the Moon in March 2014.
- ^ distance error: 0.00000802 AU, approach range: 0.807 to 0.814 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.
- ^ This is the closest any known asteroid has passed to the Moon in nearly three years (even closer than 2017 DG16) after 2014 GY44 passed 0.097 LD from the Moon in March 2014.
- ^ distance error: 0.00000171 AU, approach range: 0.181 to 0.194 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.
- ^ distance error: 0.0000188 AU, approach range: 0.788 to 0.803 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.
- ^ distance error: 0.000177 AU, approach range: 0.69 to 0.83 LD. The asteroid is unconfirmed and will likely never receive a provisional designation.
Additional examples[edit]
.gif)
An example list of near-Earth asteroids that passed or will pass more than 1 lunar distance (384,400 km or 0.00256 AU) from Earth in 2017.
| Object | Size (meters) |
Lunar distances |
Date |
|---|---|---|---|
| 2017 AP19 | 65 | 3.34 | 6 January 2017 |
| 2017 BJ30[113] | 16 | 1.03 | 31 January 2017 |
| 2017 BQ6 | 186 | 6.57 | 7 February 2017 |
| 2017 DZ37[114] | 7 | 1.005 | 23 February 2017 |
| 2017 DV36[115] | 9 | 1.02 | 27 February 2017 |
| 1998 SL36[116] | 313 | 8.34 | 16 March 2017 |
| 2017 FT102[117] | 4 | 1.05 1.04 moon |
3 April 2017 |
| 2014 JO25[118] | 823 | 4.57 | 19 April 2017 |
| (418094) 2007 WV4[119] | 890 | 7.96 | 1 June 2017 |
| 2017 KQ27[120] | 30 | 1.02 1.34 moon |
6 June 2017 |
| 2017 MF[121] | 20 | 1.21 moon | 19 June 2017 |
| 2017 NT5[122] | 110 | 1.11 1.27 moon |
14 July 2017 |
| 2006 SR131[123] | 8 | 0.32 and 11 [clarification needed] |
17–28 September 2017 |
| (496817) 1989 VB[124] | 394 | 7.88 | 29 September 2017 |
| YT83F29 [citation needed] |
4 | 2.6 0.73 moon |
14 October 2017 |
| (171576) 1999 VP11[125] | 685 | 5.77 | 22 October 2017 |
| (444584) 2006 UK[126] | 313 | 8.66 | 17 November 2017 |
Statistics[edit]
| month | <1 LD | <5 LD |
|---|---|---|
| January | 3 |
17
|
| February | 3 |
27
|
| March | 9 |
34
|
| April | 5 |
28
|
| May | 3 |
14
|
| June | 0 |
10
|
| July | 1 |
11
|
| August | 2 |
17
|
| September | 5 |
32
|
| October | 14 |
52
|
| November | 8 |
29
|
| December | 2 |
28
|
| Abs. mag | <1 LD | <5 LD |
|---|---|---|
| H <20 | 0 |
1
|
| <21 | 0 |
0
|
| <22 | 0 |
1
|
| <23 | 0 |
3
|
| <24 | 0 |
7
|
| <25 | 3 |
19
|
| <26 | 2 |
40
|
| <27 | 4 |
74
|
| <28 | 11 |
72
|
| <29 | 18 |
57
|
| <30 | 13 |
19
|
| <31 | 4 |
5
|
| <32 | 1 |
1
|
| <33 | 1 |
1
|
| Survey | <1 LD | <5 LD |
|---|---|---|
| 408 – Mount Nyukasa Station | 0 |
1
|
| 703 – Catalina Sky Survey | 12 |
52
|
| 704 – Lincoln Laboratory ETS | 0 |
1
|
| C51 – WISE | 0 |
1
|
| F51 – Pan-STARRS 1 | 10 |
56
|
| G45 – Space Surveillance Telescope | 0 |
3
|
| G96 – Mt. Lemmon Survey | 28 |
157
|
| I52 – Steward Observatory, Mount Lemmon | 0 |
1
|
| J04 – ESA OGS | 0 |
1
|
| K88 – GINOP-KHK | 0 |
1
|
| T05 – ATLAS – Haleakala | 2 |
11
|
| T08 – ATLAS – Mauna Loa | 5 |
15
|
| Y00 – SONEAR | 0 |
2
|
Virtual impactors[edit]
List of asteroids with a Palermo Technical Impact Hazard Scale greater than −6 that are listed on the Sentry Risk Table because they have short observation arcs with poorly constrained orbits and have a chance of impacting Earth in 2017. Given a short observation arc, many different orbits fit the observed data. 2010 XB73 could have approached Earth around May 2017 or could have been 9 AU[127] from Earth on the way to a close approach with Saturn in 2018. A Palermo rating of −4 indicates an event that is 10,000 times less likely than the background hazard level of Earth impacts, which is defined as the average risk posed by objects of the same size or larger over the years until the date of the potential impact.
| Date | Object | Estimated diameter (meters) |
Obs arc (days) |
Impact probability (1 in) |
Palermo scale |
JPL Horizons nominal geocentric distance (AU) |
NEODyS nominal geocentric distance (AU) |
|---|---|---|---|---|---|---|---|
| 2017-05-22[128] | 2010 GZ60 | 2,000[a] | 1.3 | 830,000,000 | -1.83 | 0.4 AU (60,000,000 km; 37,000,000 mi) | Not listed |
| 2017-05-25[129] | 2010 XB73 | 110 | 1.1 | 120,000,000 | -4.47 | 1.6 AU (240,000,000 km; 150,000,000 mi) | 9.0 AU (1.35×109 km; 840,000,000 mi)[127] |
| 2017-08-19[130] | 2015 ME131 | 500 | 1.8 | 420,000,000 | -3.41 | 0.4 AU (60,000,000 km; 37,000,000 mi) | 0.4 AU (60,000,000 km; 37,000,000 mi) |
| 2017-09-18[131] | 2015 HV182 | 157 | 0.9 | 7,700,000,000 | -5.78 | 2.3 AU (340,000,000 km; 210,000,000 mi) | 2.3 AU (340,000,000 km; 210,000,000 mi) |
| 2017-11-18[132] | 2008 VS4 | 45 | 0.083 | 100,000,000 | -5.50 | 4.6 AU (690,000,000 km; 430,000,000 mi) | 3.9 AU (580,000,000 km; 360,000,000 mi) |
| 2017-11-29[133] | 2007 YM | 20 | 0.13 | 2,000,000 | -5.21 | 5.1 AU (760,000,000 km; 470,000,000 mi) | 5.1 AU (760,000,000 km; 470,000,000 mi) |
| 2017-12-01[128] | 2010 GZ60 | 2,000[a] | 1.3 | 10,000,000,000 | -3.62 | 1.0 AU (150,000,000 km; 93,000,000 mi) | Not listed |
| 2017-12-13[134] | 2005 TM173 | 53 | 1.9 | 230,000,000 | -5.98 | 5.7 AU (850,000,000 km; 530,000,000 mi) | 5.7 AU (850,000,000 km; 530,000,000 mi) |
| 2017-12-20[128] | 2010 GZ60 | 2,000[a] | 1.3 | 83,000,000 | -1.97 | 1.2 AU (180,000,000 km; 110,000,000 mi) | Not listed |
Notes[edit]
- ^ a b c Discovered and only observed by WISE, an infrared telescope, so no apparent magnitude, and therefore estimated size was provided. As such, the size is only a rough estimate. Observation arc is only 1.3 days. Eccentricity is assumed and the object is lost.
See also[edit]
- List of asteroid close approaches to Earth
- List of asteroid close approaches to Earth in 2016
- List of asteroid close approaches to Earth in 2018
- List of bolides (asteroids and meteoroids that impacted Earth)
References[edit]
- ^ NASA.gov
- ^ "IAU Minor Planet Center".
- ^ "JPL Small-Body Database Browser: (2017 AG13)" (last observation: 2017-01-09).
- ^ "IAU Minor Planet Center".
- ^ a b "JPL Small-Body Database Browser: (2017 BX)" (last observation: 2017-01-25).
- ^ "IAU Minor Planet Center".
- ^ a b "JPL Small-Body Database Browser: (2017 BH30)" (last observation: 2017-01-30).
- ^ "IAU Minor Planet Center".
- ^ a b "JPL Small-Body Database Browser: (2017 BS32)" (last observation: 2017-02-02).
- ^ "IAU Minor Planet Center".
- ^ a b c "JPL Small-Body Database Browser: (2017 DG16)" (last observation: 2017-02-23).
- ^ "IAU Minor Planet Center".
- ^ "JPL Small-Body Database Browser: (2017 DR34)" (last observation: 2017-02-23).
- ^ "IAU Minor Planet Center".
- ^ a b "JPL Small-Body Database Browser: (2017 EA)" (last observation: 2017-03-02).
- ^ "IAU Minor Planet Center".
- ^ "JPL Small-Body Database Browser: (2017 DS109)" (last observation: 2017-03-05).
- ^ "IAU Minor Planet Center".
- ^ a b "JPL Small-Body Database Browser: (2017 FD3)" (last observation: 2017-03-27).
- ^ "IAU Minor Planet Center".
- ^ a b "JPL Small-Body Database Browser: (2017 FW158)" (last observation: 2017-03-17).
- ^ "IAU Minor Planet Center".
- ^ "JPL Small-Body Database Browser: (2017 FS)" (last observation: 2017-03-18).
- ^ "IAU Minor Planet Center".
- ^ "JPL Small-Body Database Browser: (2017 FX158)" (last observation: 2017-03-22).
- ^ "IAU Minor Planet Center".
- ^ "JPL Small-Body Database Browser: (2017 FN1)" (last observation: 2017-03-20).
- ^ "IAU Minor Planet Center".
- ^ "JPL Small-Body Database Browser: (2017 FM1)" (last observation: 2017-03-20).
- ^ "IAU Minor Planet Center".
- ^ "JPL Small-Body Database Browser: (2017 FJ101)" (last observation: 2017-03-30).
- ^ "IAU Minor Planet Center".
- ^ "JPL Small-Body Database Browser: (2017 FU102)" (last observation: 2017-03-30).
- ^ "IAU Minor Planet Center".
- ^ a b "JPL Small-Body Database Browser: (2017 GM)" (last observation: 2017-04-04).
- ^ "IAU Minor Planet Center".
- ^ "JPL Small-Body Database Browser: (2017 HJ)" (last observation: 2017-04-24).
- ^ "IAU Minor Planet Center".
- ^ a b "JPL Small-Body Database Browser: (2017 HG4)" (last observation: 2017-05-03).
- ^ "IAU Minor Planet Center".
- ^ a b "JPL Small-Body Database Browser: (2017 HV2)" (last observation: 2017-04-23).
- ^ "IAU Minor Planet Center".
- ^ a b "JPL Small-Body Database Browser: (2017 JA)" (last observation: 2017-05-02).
- ^ "IAU Minor Planet Center".
- ^ a b "JPL Small-Body Database Browser: (2017 JQ1)" (last observation: 2017-05-03).
- ^ "IAU Minor Planet Center".
- ^ a b "JPL Small-Body Database Browser: (2017 JB2)" (last observation: 2017-05-10).
- ^ "IAU Minor Planet Center".
- ^ a b "JPL Small-Body Database Browser: (2017 OO1)" (last observation: 2017-07-25).
- ^ "IAU Minor Planet Center".
- ^ a b "JPL Small-Body Database Browser: (2017 QP1)" (last observation: 2017-08-19).
- ^ "IAU Minor Planet Center".
- ^ a b "JPL Small-Body Database Browser: (2017 QN2)" (last observation: 2017-08-20).
- ^ "IAU Minor Planet Center".
- ^ a b "JPL Small-Body Database Browser: (2017 QB35)" (last observation: 2017-09-02).
- ^ "IAU Minor Planet Center".
- ^ "JPL Small-Body Database Browser: (2017 SQ2)" (last observation: 2017-09-20).
- ^ "IAU Minor Planet Center".
- ^ a b "JPL Small-Body Database Browser: (2017 SM2)" (last observation: 2017-09-20).
- ^ "IAU Minor Planet Center".
- ^ a b "JPL Small-Body Database Browser: (2017 SZ32)" (last observation: 2017-09-22).
- ^ "IAU Minor Planet Center".
- ^ "JPL Small-Body Database Browser: (2017 SR2)" (last observation: 2017-09-20).
- ^ "IAU Minor Planet Center".
- ^ a b "JPL Small-Body Database Browser: (2017 SS12)" (last observation: 2017-09-26).
- ^ "IAU Minor Planet Center".
- ^ a b "JPL Small-Body Database Browser: (2017 TQ2)" (last observation: 2017-10-02).
- ^ "IAU Minor Planet Center".
- ^ a b "JPL Small-Body Database Browser: (2017 SX17)" (last observation: 2017-10-02).
- ^ "IAU Minor Planet Center".
- ^ "JPL Small-Body Database Browser: (2017 TF5)" (last observation: 2017-10-16).
- ^ "IAU Minor Planet Center".
- ^ a b "JPL Small-Body Database Browser: (2012 TC4)" (last observation: 2017-08-05).
- ^ a b c d e "NEOCP Objects in 2017".
- ^ "IAU Minor Planet Center".
- ^ "JPL Small-Body Database Browser: (2017 UF)" (last observation: 2017-10-17).
- ^ "IAU Minor Planet Center".
- ^ a b "JPL Small-Body Database Browser: (2017 TH5)" (last observation: 2017-10-16).
- ^ "IAU Minor Planet Center".
- ^ "JPL Small-Body Database Browser: (2017 UR2)" (last observation: 2017-10-21).
- ^ "IAU Minor Planet Center".
- ^ a b "JPL Small-Body Database Browser: (2017 TD6)" (last observation: 2017-10-17).
- ^ "IAU Minor Planet Center".
- ^ a b "JPL Small-Body Database Browser: (2017 UJ2)" (last observation: 2017-10-22).
- ^ "IAU Minor Planet Center".
- ^ a b "JPL Small-Body Database Browser: (2017 UA52)" (last observation: 2017-10-26).
- ^ "IAU Minor Planet Center".
- ^ "JPL Small-Body Database Browser: (2017 UL6)" (last observation: 2017-10-28).
- ^ "IAU Minor Planet Center".
- ^ "JPL Small-Body Database Browser: (2017 UK8)" (last observation: 2017-10-30).
- ^ "IAU Minor Planet Center".
- ^ "JPL Small-Body Database Browser: (2017 VE)" (last observation: 2017-11-09).
- ^ "IAU Minor Planet Center".
- ^ a b "JPL Small-Body Database Browser: (2017 VL2)" (last observation: 2017-11-26).
- ^ "IAU Minor Planet Center".
- ^ a b "JPL Small-Body Database Browser: (2017 VF14)" (last observation: 2017-11-19).
- ^ "IAU Minor Planet Center".
- ^ "JPL Small-Body Database Browser: (2017 WW1)" (last observation: 2017-11-21).
- ^ "IAU Minor Planet Center".
- ^ "JPL Small-Body Database Browser: (2017 WA14)" (last observation: 2017-11-26).
- ^ "IAU Minor Planet Center".
- ^ "JPL Small-Body Database Browser: (2017 WE30)" (last observation: 2017-11-26).
- ^ "IAU Minor Planet Center".
- ^ a b "JPL Small-Body Database Browser: (2017 YZ4)" (last observation: 2017-12-28).
- ^ "IAU Minor Planet Center".
- ^ "JPL Small-Body Database Browser: (2017 YE7)" (last observation: 2017-12-30).
- ^ "JPL Small-Body Database Browser: (2017 BA7)" (last observation: 2017-01-29).
- ^ "JPL Small-Body Database Browser: (2017 KW31)" (last observation: 2017-05-31).
- ^ "JPL Small-Body Database Browser: (2017 QQ17)" (last observation: 2017-08-26).
- ^ "JPL Small-Body Database Browser: (2017 RW17)" (last observation: 2017-09-15).
- ^ "JPL Small-Body Database Browser: (2017 UK3)" (last observation: 2017-10-23).
- ^ "JPL Small-Body Database Browser: (2017 YJ1)" (last observation: 2017-12-31).
- ^ "(2017 BJ30) orbit diagram". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 3767159.
- ^ "(2017 DZ37) orbit diagram". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 3770154.
- ^ "(2017 DV36) orbit diagram". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 3769919.
- ^ "(1998 SL36) orbit diagram". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 3014117.
- ^ "(2017 FT102) orbit diagram". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 3773057.
- ^ "(2014 JO25) orbit diagram". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 3670721.
- ^ "418094 (2007 WV4) orbit diagram". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 2418094.
- ^ "(2017 KQ27) orbit diagram". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 3775038.
- ^ "(2017 MF) orbit diagram". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 3775253.
- ^ "(2017 NT5) orbit diagram". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 3776550.
- ^ "(2006 SR131) orbit diagram". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 3345302.
- ^ "496817 (1989 VB) orbit diagram". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 2496817.
- ^ "171576 (1999 VP11) orbit diagram". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 2171576.
- ^ "444584 (2006 UK) orbit diagram". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 2444584.
- ^ a b "NEODyS-2 Ephemerides for 2010XB73". (Close Approaches)
- ^ a b c 2010 GZ60 -- Earth Impact Risk Summary (4 missed virtual impactors) "Sentry: Earth Impact Monitoring". Archived from the original on 4 May 2017. Retrieved 7 March 2020.
- ^ 2010 XB73 -- Earth Impact Risk Summary (2 missed virtual impactors) "2010 XB73 Impact Risk". Archived from the original on 26 January 2016. Retrieved 28 January 2018.
- ^ 2015 ME131 -- Earth Impact Risk Summary "2015 ME131 Impact Risk". Archived from the original on 1 August 2015. Retrieved 28 January 2018.
- ^ 2015 HV182 -- Earth Impact Risk Summary (4 missed virtual impactors) "2015 HV182 Impact Risk". Archived from the original on 3 July 2015. Retrieved 28 January 2018.
- ^ 2008 VS4 -- Earth Impact Risk Summary (21 missed virtual impactors) "2008 VS4 Impact Risk". Archived from the original on 17 January 2009. Retrieved 28 January 2018.
- ^ 2007 YM -- Earth Impact Risk Summary (3 missed virtual impactors) "2007 YM Impact Risk". Archived from the original on 3 January 2008. Retrieved 28 January 2018.
- ^ 2005 TM173 -- Earth Impact Risk Summary (17 missed virtual impactors) "2005 TM173 Impact Risk". Archived from the original on 31 December 2005. Retrieved 28 January 2018.
External links[edit]
- Near-Earth object close approaches ±30 days within 5 LD (JPL)
- Upcoming close approaches to Earth (ESA)
- Table of Asteroids Next Closest Approaches to the Earth (Sormano Observatory)
2017 in space | ||
|---|---|---|
Space probe launches  |
|    |
| Impact events | ||
| Selected NEOs | ||
| Exoplanets | ||
| Discoveries | ||
| Comets | ||
| Space exploration |
| |
| ||
