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Importing Wikidata short description: "Main-belt asteroid"
 
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{{Short description|Main-belt asteroid}}
{{Use dmy dates|date=October 2019}}
{{Infobox planet
{{Infobox planet
| minorplanet = yes
| minorplanet = yes
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| background = #D6D6D6
| background = #D6D6D6
| image =
| image =
| image_size =
| caption =
| caption =
| discovery_ref = &thinsp;<ref name="jpldata" />
| discovery_ref = <ref name="jpldata" />
| discovered = 21 March 1991
| discovered = 21 March 1991
| discoverer = [[Henri Debehogne|H. Debehogne]]
| discoverer = [[Henri Debehogne|H. Debehogne]]
| discovery_site = [[La Silla Observatory|La Silla Obs.]]
| discovery_site = [[La Silla Observatory|La Silla Obs.]]
| mp_name = 17473 Freddiemercury
| mpc_name = (17473) Freddiemercury
| alt_names = {{mp|1991 FM|3}}{{·}}{{mp|1982 VC|9}}<br />{{mp|1999 JE|127}}
| alt_names = {{mp|1991 FM|3}}{{·}}{{mp|1982 VC|9}}<br />{{mp|1999 JE|127}}
| pronounced =
| pronounced =
| named_after = [[Freddie Mercury]]<br />{{small|(musician)}}<ref name="MPC-Freddiemercury" />
| named_after = [[Freddie Mercury]]<br />{{small|(British musician)}}<ref name="MPC-Freddiemercury" />
| mp_category = [[main-belt]]{{·}}{{small|([[Kirkwood gap|inner]])}}
| mp_category = [[main-belt]]{{·}}{{small|([[Kirkwood gap|inner]])}}<br />[[Massalia family|Massalia]]<ref name="Ferret" />
| orbit_ref = &thinsp;<ref name="jpldata" />
| orbit_ref = <ref name="jpldata" />
| epoch = 16 February 2017 ([[Julian day|JD]] 2457800.5)
| epoch = 4 September 2017 ([[Julian day|JD]] 2458000.5)
| uncertainty = 0
| uncertainty = 0
| observation_arc = {{nowrap|33.99 yr (12,415 days)}}
| observation_arc = 34.48 yr (12,593 days)
| aphelion = 2.7618 [[Astronomical unit|AU]]
| aphelion = 2.7627 [[Astronomical unit|AU]]
| perihelion = 2.0189 AU
| perihelion = 2.0180 AU
| semimajor = 2.3903 AU
| semimajor = 2.3903 AU
| eccentricity = 0.1554
| eccentricity = 0.1558
| period = 3.70 [[Julian year (astronomy)|yr]] (1,350 days)
| period = 3.70 [[Julian year (astronomy)|yr]] (1,350 days)
| mean_anomaly = 58.955[[Degree (angle)|°]]
| mean_anomaly = 112.26[[Degree (angle)|°]]
| mean_motion = {{Deg2DMS|0.2667|sup=ms}} / day
| mean_motion = {{Deg2DMS|0.2667|sup=ms}} / day
| inclination = 0.9120°
| inclination = 0.9109°
| asc_node = 0.8844°
| asc_node = 0.8510°
| arg_peri = 100.56°
| arg_peri = 100.59°
| dimensions = {{val|3.435|0.374}} km<ref name="jpldata" /><ref name="Masiero-2012" />
| dimensions = {{val|3.435|0.374}} km<ref name="jpldata" /><ref name="Masiero-2012" />
| rotation =
| rotation =
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}}
}}


'''17473 Freddiemercury''', provisional designation {{mpf|1991 FM|3}}, is a bright [[asteroid]] from the inner regions [[asteroid belt]], approximately 3.4 kilometers in diameter. It was discovered on 21 March 1991, by Belgian astronomer [[Henri Debehogne]] at [[European Southern Observatory|ESO]]'s [[La Silla Observatory]] in northern Chile.<ref name="MPC-Freddiemercury" />
'''17473 Freddiemercury''' ([[Minor planet provisional designation|provisional designation]] '''{{mp|1991 FM|3}}''') is a stony Massalian [[asteroid]] from the inner regions [[asteroid belt]], approximately 3.4 kilometers in diameter. The asteroid was discovered on 21 March 1991, by Belgian astronomer [[Henri Debehogne]] at [[European Southern Observatory|ESO]]'s [[La Silla Observatory]] in northern Chile, and later named in memory of [[Freddie Mercury]].<ref name="MPC-Freddiemercury" />


== Classification and orbit ==
The asteroid orbits the Sun at a distance of 2.0–2.8&nbsp;[[Astronomical unit|AU]] once every 3 years and 8 months (1,350 days). Its orbit has an [[orbital eccentricity|eccentricity]] of 0.16 and an [[orbital inclination|inclination]] of 1[[Degree (angle)|°]] with respect to the [[ecliptic]].<ref name="jpldata" /> The first observation was made at [[Crimea–Nauchnij]] in 1982, extending the asteroid's [[observation arc]] by 9 years prior to its discovery.<ref name="MPC-Freddiemercury" /> According to the survey carried out by the [[NEOWISE]] mission of NASA's [[Wide-field Infrared Survey Explorer]], the asteroid measures 3.4 kilometers in diameter and its surface has a high [[astronomical albedo|albedo]] of 0.313.<ref name="Masiero-2012" /> As of 2016, the asteroid's composition, as well as its [[rotation period]] and shape remain unknown.<ref name="jpldata" />
Freddiemercury is a member of the [[Massalia family]] ({{small|[[FIN tbl#404|404]]}}),<ref name="Ferret" /> a large [[asteroid family|family]] of stony [[S-type asteroid]]s with low inclinations in the [[Kirkwood gap|inner]] main belt. It orbits the Sun at a distance of 2.0–2.8&nbsp;[[Astronomical unit|AU]] once every 3 years and 8 months (1,350 days). Its orbit has an [[orbital eccentricity|eccentricity]] of 0.16 and an [[orbital inclination|inclination]] of 1[[Degree (angle)|°]] with respect to the [[ecliptic]].<ref name="jpldata" />


The body's [[observation arc]] begins 9 years prior to its official discovery observation, with its identification as {{mp|1982 VC|9}} at [[Crimea–Nauchnij]] in November 1982.<ref name="MPC-Freddiemercury" />
⚫
On 4 September 2016, the day what would've been the day before [[Freddie Mercury]]'s 70th birthday, the [[International Astronomical Union]] and the [[Minor Planet Centre]] named it "Freddiemercury" after Freddie Mercury (1946–1991), as the asteroid was discovered in the year that the singer died ({{small|[[Minor Planet Circulars|M.P.C.]] 101215}})<ref name="MPC-Circulars-Archive" /> and its provisional designation included his initials. The naming was announced by [[Brian May]] at [[Montreux Casino]] to mark the singer's 70th birthday.<ref name="BBC_5Sep16" /><ref name="Telegraph_5Sep16" />

== Physical characteristics ==
According to the survey carried out by the [[NEOWISE]] mission of NASA's [[Wide-field Infrared Survey Explorer]], Freddiemercury measures 3.4 kilometers in diameter and its surface has a high [[astronomical albedo|albedo]] of 0.313.<ref name="Masiero-2012" />

As of 2017, the asteroid's exact composition, as well as its [[rotation period]] and shape remain unknown.<ref name="jpldata" /><ref name="lcdb" />

== Naming ==
⚫
On 4 September 2016, one day before what would have been [[Freddie Mercury]]'s 70th birthday, the [[International Astronomical Union]] and the [[Minor Planet Center]] named the asteroid after Mercury, as it was discovered the same year as Mercury's death, ({{small|[[Minor Planet Circulars|M.P.C.]] 101215}})<ref name="MPC-Circulars-Archive" /> and its provisional designation included his initials, FM. The approved naming was announced by Mercury's [[Queen (band)|Queen]] bandmate [[Brian May]] at [[Montreux Casino]] to mark Mercury's 70th birthday.<ref name="BBC-Freddie-Mercury-Asteroid" /><ref name="Telegraph-shooting-star" />


== References ==
== References ==
{{reflist
{{reflist|refs=
|refs=


<ref name="jpldata">{{cite web
<ref name="jpldata">{{cite web
|type = 2016-11-05 last obs.
|type = 2017-05-02 last obs.
|title = JPL Small-Body Database Browser: 17473 (1991 FM3)
|title = JPL Small-Body Database Browser: 17473 (1991 FM3)
|url = http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017473
|url = https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2017473
|publisher = Jet Propulsion Laboratory
|publisher = [[Jet Propulsion Laboratory]]
|accessdate = 3 December 2016}}</ref>
|accessdate = 26 June 2017}}</ref>


<ref name="MPC-Freddiemercury">{{cite web
<ref name="MPC-Freddiemercury">{{cite web
|title = 17473 (1991 FM3)
|title = 17473 (1991 FM3)
|work = Minor Planet Center
|work = Minor Planet Center
|url = http://www.minorplanetcenter.net/db_search/show_object?object_id=17473
|url = https://www.minorplanetcenter.net/db_search/show_object?object_id=17473
|accessdate = 6 September 2016}}</ref>
|accessdate = 6 September 2016}}</ref>


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|title = MPC/MPO/MPS Archive
|title = MPC/MPO/MPS Archive
|work = Minor Planet Center
|work = Minor Planet Center
|url = http://www.minorplanetcenter.net/iau/ECS/MPCArchive/MPCArchive_TBL.html
|url = https://www.minorplanetcenter.net/iau/ECS/MPCArchive/MPCArchive_TBL.html
|accessdate = 6 September 2016}}</ref>
|accessdate = 6 September 2016}}</ref>


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|doi = 10.1088/2041-8205/759/1/L8
|doi = 10.1088/2041-8205/759/1/L8
|arxiv = 1209.5794
|arxiv = 1209.5794
|access-date= 6 September 2016}}</ref>
|s2cid = 46350317
|access-date= 6 September 2016}}</ref>

<ref name="BBC-Freddie-Mercury-Asteroid">{{cite news
|title = Freddie Mercury: Asteroid named after late Queen star to mark 70th birthday
|date = 6 September 2016
|publisher = [[BBC News]]
|url = https://www.bbc.com/news/entertainment-arts-37275294
|accessdate = 26 June 2017}}</ref>

<ref name="Telegraph-shooting-star">{{cite news
|title = A shooting star leaping through the sky: asteroid named after Freddie Mercury on '70th birthday'
|publisher = Telegraph
|date = 5 September 2016
|url = https://www.telegraph.co.uk/science/2016/09/04/a-shooting-star-leaping-through-the-sky-asteroid-named-after-fre/
|accessdate = 26 June 2017}}</ref>


<ref name="Ferret">{{cite web
<ref name="BBC_5Sep16">{{cite news | url=http://www.bbc.co.uk/news/entertainment-arts-37275294 | title=Freddie Mercury: Asteroid named after late Queen star to mark 70th birthday | publisher=BBC News | date=6 September 2016}}</ref>
|title = Asteroid 17473 Freddiemercury – Nesvorny HCM Asteroid Families V3.0
|work = Small Bodies Data Ferret
|url = https://sbntools.psi.edu/ferret/SimpleSearch/results.action?targetName=17473+Freddiemercury#Asteroid%2017473%20FreddiemercuryEAR-A-VARGBDET-5-NESVORNYFAM-V3.0
|accessdate = 27 October 2019}}</ref>


<ref name="lcdb">{{cite web
<ref name="Telegraph_5Sep16">{{cite news | url=http://www.telegraph.co.uk/science/2016/09/04/a-shooting-star-leaping-through-the-sky-asteroid-named-after-fre/ | title=A shooting star leaping through the sky: asteroid named after Freddie Mercury on '70th birthday' | publisher=Telegraph | date=5 September 2016}}</ref>
|title = LCDB Data for (17473) Freddiemercury
|publisher = Asteroid Lightcurve Database (LCDB)
|url = http://www.minorplanet.info/PHP/generateOneAsteroidInfo.php?AstInfo=17473%7CFreddiemercury
|accessdate = 26 June 2017}}</ref>


}} <!-- end of reflist -->
}} <!-- end of reflist -->


== External links ==
== External links ==
* [http://www.minorplanet.info/PHP/lcdbsummaryquery.php Asteroid Lightcurve Database (LCDB)], query form ([http://www.minorplanet.info/lightcurvedatabase.html info])
* [http://www.minorplanet.info/PHP/lcdbsummaryquery.php Asteroid Lightcurve Database (LCDB)], query form ([http://www.minorplanet.info/lightcurvedatabase.html info] {{Webarchive|url=https://web.archive.org/web/20171216050541/http://www.minorplanet.info/lightcurvedatabase.html |date=16 December 2017 }})
* [https://books.google.com/books?id=aeAg1X7afOoC&pg Dictionary of Minor Planet Names], Google books
* [https://books.google.com/books?id=aeAg1X7afOoC&pg Dictionary of Minor Planet Names], Google books
* [http://obswww.unige.ch/~behrend/page_cou.html Asteroids and comets rotation curves, CdR] – Observatoire de Genève, Raoul Behrend
* [http://obswww.unige.ch/~behrend/page_cou.html Asteroids and comets rotation curves, CdR] – Observatoire de Genève, Raoul Behrend
* [http://www.minorplanetcenter.net/iau/lists/NumberedMPs015001.html Discovery Circumstances: Numbered Minor Planets (15001)-(20000)] – Minor Planet Center
* [https://www.minorplanetcenter.net/iau/lists/NumberedMPs015001.html Discovery Circumstances: Numbered Minor Planets (15001)-(20000)] – Minor Planet Center
* [http://www.virtualtelescope.eu/2016/12/30/asteroid-17473-freddiemercury-image-30-dec-2016/ Asteroid (17473) Freddiemercury: an image ] – Virtual Telescope Project
* {{AstDys|17473}}
* {{JPL small body}}
* {{JPL small body}}


{{Minor planets navigator|17472 Dinah |number=17473|(17474) 1991 GK5}}
{{Minor planets navigator |17472 Dinah |number=17473 | }}
{{Small Solar System bodies}}
{{Small Solar System bodies}}
{{Freddie Mercury}}
{{Authority control}}


{{DEFAULTSORT:Freddiemercury}}
{{DEFAULTSORT:Freddiemercury}}
[[Category:Main-belt asteroids|017473]]
[[Category:Massalia asteroids|017473]]
[[Category:Numbered minor planets|017473]]
[[Category:Discoveries by Henri Debehogne]]
[[Category:Discoveries by Henri Debehogne]]
[[Category:Minor planets named for people]]
[[Category:Named minor planets]]
[[Category:Named minor planets]]
[[Category:Freddie Mercury]]
[[Category:Freddie Mercury]]

Latest revision as of 23:16, 18 January 2024

17473 Freddiemercury
Discovery[1]
Discovered byH. Debehogne
Discovery siteLa Silla Obs.
Discovery date21 March 1991
Designations
(17473) Freddiemercury
Named after
Freddie Mercury
(British musician)[2]
1991 FM3 · 1982 VC9
1999 JE127
main-belt · (inner)
Massalia[3]
Orbital characteristics[1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc34.48 yr (12,593 days)
Aphelion2.7627 AU
Perihelion2.0180 AU
2.3903 AU
Eccentricity0.1558
3.70 yr (1,350 days)
112.26°
0° 16m 0.12s / day
Inclination0.9109°
0.8510°
100.59°
Physical characteristics
Dimensions3.435±0.374 km[1][4]
0.313±0.064[1][4]
14.4[1]

17473 Freddiemercury (provisional designation 1991 FM3) is a stony Massalian asteroid from the inner regions asteroid belt, approximately 3.4 kilometers in diameter. The asteroid was discovered on 21 March 1991, by Belgian astronomer Henri Debehogne at ESO's La Silla Observatory in northern Chile, and later named in memory of Freddie Mercury.[2]

Classification and orbit

[edit]

Freddiemercury is a member of the Massalia family (404),[3] a large family of stony S-type asteroids with low inclinations in the inner main belt. It orbits the Sun at a distance of 2.0–2.8 AU once every 3 years and 8 months (1,350 days). Its orbit has an eccentricity of 0.16 and an inclination of 1° with respect to the ecliptic.[1]

The body's observation arc begins 9 years prior to its official discovery observation, with its identification as 1982 VC9 at Crimea–Nauchnij in November 1982.[2]

Physical characteristics

[edit]

According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Freddiemercury measures 3.4 kilometers in diameter and its surface has a high albedo of 0.313.[4]

As of 2017, the asteroid's exact composition, as well as its rotation period and shape remain unknown.[1][5]

Naming

[edit]

On 4 September 2016, one day before what would have been Freddie Mercury's 70th birthday, the International Astronomical Union and the Minor Planet Center named the asteroid after Mercury, as it was discovered the same year as Mercury's death, (M.P.C. 101215)[6] and its provisional designation included his initials, FM. The approved naming was announced by Mercury's Queen bandmate Brian May at Montreux Casino to mark Mercury's 70th birthday.[7][8]

References

[edit]
  1. ^ a b c d e f g "JPL Small-Body Database Browser: 17473 (1991 FM3)" (2017-05-02 last obs.). Jet Propulsion Laboratory. Retrieved 26 June 2017.
  2. ^ a b c "17473 (1991 FM3)". Minor Planet Center. Retrieved 6 September 2016.
  3. ^ a b "Asteroid 17473 Freddiemercury – Nesvorny HCM Asteroid Families V3.0". Small Bodies Data Ferret. Retrieved 27 October 2019.
  4. ^ a b c Masiero, Joseph R.; Mainzer, A. K.; Grav, T.; Bauer, J. M.; Cutri, R. M.; et al. (November 2012). "Preliminary Analysis of WISE/NEOWISE 3-Band Cryogenic and Post-cryogenic Observations of Main Belt Asteroids". The Astrophysical Journal Letters. 759 (1): 5. arXiv:1209.5794. Bibcode:2012ApJ...759L...8M. doi:10.1088/2041-8205/759/1/L8. S2CID 46350317. Retrieved 6 September 2016.
  5. ^ "LCDB Data for (17473) Freddiemercury". Asteroid Lightcurve Database (LCDB). Retrieved 26 June 2017.
  6. ^ "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 6 September 2016.
  7. ^ "Freddie Mercury: Asteroid named after late Queen star to mark 70th birthday". BBC News. 6 September 2016. Retrieved 26 June 2017.
  8. ^ "A shooting star leaping through the sky: asteroid named after Freddie Mercury on '70th birthday'". Telegraph. 5 September 2016. Retrieved 26 June 2017.
[edit]
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