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{{Short description|Dark background asteroid from the outer regions of the asteroid belt}}
⚫
{{Use dmy dates|date=March 2018}}
{{Infobox planet
{{Infobox planet
| minorplanet = yes
| minorplanet = yes
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| pronounced =
| pronounced =
| named_after = Janice Cline&nbsp;<ref name="MPC-object" /><br />{{small|(Supporter at [[Caltech]])}}
| named_after = Janice Cline&nbsp;<ref name="MPC-object" /><br />{{small|(Supporter at [[Caltech]])}}
| mp_category = [[main-belt]]&thinsp;<ref name="MPC-object" /><ref name="jpldata" />{{·}}{{small|([[Kirkwood gap|outer]])}}<br />{{nowrap|background&thinsp;<ref name="Ferret" />{{·}}[[Themis family|Themis]]&thinsp;<ref name="lcdb" />}}
| mp_category = [[main-belt]]&thinsp;<ref name="MPC-object" /><ref name="jpldata" />{{·}}{{small|([[Kirkwood gap|outer]])}}<br />{{nowrap|[[Background asteroid|background]]&thinsp;<ref name="Ferret" />{{·}}[[Themis family|Themis]]&thinsp;<ref name="lcdb" /><ref name="AstDys-object" />}}
| orbit_ref = &thinsp;<ref name="jpldata" />
| orbit_ref = &thinsp;<ref name="jpldata" />
| epoch = 23 March 2018 ([[Julian day|JD]] 2458200.5)
| epoch = 23 March 2018 ([[Julian day|JD]] 2458200.5)
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== Orbit and classification ==
== Orbit and classification ==


''Janice'' is a non-[[Asteroid family|family]] asteroid of the main belt's background population when applying the [[Hierarchical Clustering Method (asteroids)|hierarchical clustering method]] to its [[proper orbital elements]].<ref name="Ferret" /> Based on osculating Keplerian [[orbital elements]], the asteroid has also been classified as a member of the [[Themis family]] ({{small|[[FIN tbl#602|602]]}}), a very large [[Asteroid family|family]] of carbonaceous asteroids, named after [[24&nbsp;Themis]].<ref name="lcdb" />
Based on osculating Keplerian [[orbital elements]], ''Janice'' is located in the region of the [[Themis family]] ({{small|[[FIN tbl#602|602]]}}), a very large [[Asteroid family|family]] of carbonaceous asteroids, named after [[24&nbsp;Themis]].<ref name="lcdb" />

When applying the [[hierarchical clustering method]] to its [[proper orbital elements]], the object is both a non-[[Asteroid family|family]] asteroid of the main belt's [[Background asteroid|background population]] (according to Nesvorný),<ref name="Ferret" /> as well as a core member of the Themis family (according to Milani and Knežević).<ref name="AstDys-object" />


It orbits the Sun in the [[Kirkwood gap|outer]] main-belt at a distance of 2.5–3.6&nbsp;[[Astronomical unit|AU]] once every 5 years and 5 months (1,977 days; [[semi-major axis]] of 3.08&nbsp;AU). Its orbit has an [[orbital eccentricity|eccentricity]] of 0.18 and an [[orbital inclination|inclination]] of 0[[Degree (angle)|°]] with respect to the [[ecliptic]].<ref name="jpldata" /> The body's [[observation arc]] begins with its first observation as {{mp|A911 MC}} at [[Lowell Observatory]] in June 1911, more than 67 years prior to its official discovery observation at Palomar.<ref name="MPC-object" />
It orbits the Sun in the [[Kirkwood gap|outer]] main-belt at a distance of 2.5–3.6&nbsp;[[Astronomical unit|AU]] once every 5 years and 5 months (1,977 days; [[semi-major axis]] of 3.08&nbsp;AU). Its orbit has an [[orbital eccentricity|eccentricity]] of 0.18 and an [[orbital inclination|inclination]] of 0[[Degree (angle)|°]] with respect to the [[ecliptic]].<ref name="jpldata" /> The body's [[observation arc]] begins with its first observation as {{mp|A911 MC}} at [[Lowell Observatory]] in June 1911, more than 67 years prior to its official discovery observation at Palomar.<ref name="MPC-object" />
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|url = https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2002324
|url = https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2002324
|publisher = [[Jet Propulsion Laboratory]]
|publisher = [[Jet Propulsion Laboratory]]
|accessdate = 26 March 2018}}</ref>
|access-date = 26 March 2018}}</ref>


<ref name="MPC-object">{{cite web
<ref name="MPC-object">{{cite web
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|work = Minor Planet Center
|work = Minor Planet Center
|url = https://www.minorplanetcenter.net/db_search/show_object?object_id=2324
|url = https://www.minorplanetcenter.net/db_search/show_object?object_id=2324
|accessdate = 26 March 2018}}</ref>
|access-date = 26 March 2018}}</ref>


<ref name="MPC-Circulars-Archive">{{cite web
<ref name="MPC-Circulars-Archive">{{cite web
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|work = Minor Planet Center
|work = Minor Planet Center
|url = https://www.minorplanetcenter.net/iau/ECS/MPCArchive/MPCArchive_TBL.html
|url = https://www.minorplanetcenter.net/iau/ECS/MPCArchive/MPCArchive_TBL.html
|accessdate = 26 March 2018}}</ref>
|access-date = 26 March 2018}}</ref>


<ref name="Masiero-2011">{{cite journal
<ref name="Masiero-2011">{{cite journal
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|first14 = E. |last14 = DeBaun
|first14 = E. |last14 = DeBaun
|first15 = D. |last15 = Elsbury
|first15 = D. |last15 = Elsbury
|first16 = T., IV |last16 = Gautier
|first16 = T. IV |last16 = Gautier
|first17 = S. |last17 = Gomillion
|first17 = S. |last17 = Gomillion
|first18 = A. |last18 = Wilkins
|first18 = A. |last18 = Wilkins
|date = November 2011
|date = November 2011
|title = Main Belt Asteroids with WISE/NEOWISE. I. Preliminary Albedos and Diameters
|title = Main Belt Asteroids with WISE/NEOWISE. I. Preliminary Albedos and Diameters
|url = http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2011ApJ...741...68M
|journal = The Astrophysical Journal
|journal = The Astrophysical Journal
|volume = 741
|volume = 741
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|doi = 10.1088/0004-637X/741/2/68
|doi = 10.1088/0004-637X/741/2/68
|arxiv = 1109.4096
|arxiv = 1109.4096
|access-date= 26 March 2018}}</ref>
|s2cid = 118745497 }}</ref>


<ref name="lcdb">{{cite web
<ref name="lcdb">{{cite web
|title = LCDB Data for (2324) Janice
|title = LCDB Data for (2324) Janice
|publisher = Asteroid Lightcurve Database (LCDB)
|publisher = Asteroid Lightcurve Database (LCDB)
|url = http://www.minorplanet.info/PHP/GenerateALCDEFPage_Local.php?AstInfo=2324%7CJanice
|url = http://www.minorplanet.info/PHP/generateOneAsteroidInfo.php?AstInfo=2324%7CJanice
|accessdate = 26 March 2018}}</ref>
|access-date = 26 March 2018}}</ref>


<ref name="Masiero-2012">{{cite journal
<ref name="Masiero-2012">{{cite journal
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|date = November 2012
|date = November 2012
|title = Preliminary Analysis of WISE/NEOWISE 3-Band Cryogenic and Post-cryogenic Observations of Main Belt Asteroids
|title = Preliminary Analysis of WISE/NEOWISE 3-Band Cryogenic and Post-cryogenic Observations of Main Belt Asteroids
|url = http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2012ApJ...759L...8M
|journal = The Astrophysical Journal Letters
|journal = The Astrophysical Journal Letters
|volume = 759
|volume = 759
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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= 26 March 2018}}</ref>
|s2cid = 46350317 }}</ref>


<ref name="WISE">{{cite journal
<ref name="WISE">{{cite journal
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|date = November 2011
|date = November 2011
|title = NEOWISE Studies of Spectrophotometrically Classified Asteroids: Preliminary Results
|title = NEOWISE Studies of Spectrophotometrically Classified Asteroids: Preliminary Results
|url = https://arxiv.org/pdf/1109.6407v1.pdf
|journal = The Astrophysical Journal
|journal = The Astrophysical Journal
|volume = 741
|volume = 741
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|doi = 10.1088/0004-637X/741/2/90
|doi = 10.1088/0004-637X/741/2/90
|arxiv = 1109.6407
|arxiv = 1109.6407
|access-date= 26 March 2018}}</ref>
|s2cid = 35447010 }}</ref>


<ref name="AKARI">{{cite journal
<ref name="AKARI">{{cite journal
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|date = October 2011
|date = October 2011
|title = Asteroid Catalog Using Akari: AKARI/IRC Mid-Infrared Asteroid Survey
|title = Asteroid Catalog Using Akari: AKARI/IRC Mid-Infrared Asteroid Survey
|url = http://pasj.oxfordjournals.org/content/63/5/1117.full.pdf+html
|journal = Publications of the Astronomical Society of Japan
|journal = Publications of the Astronomical Society of Japan
|volume = 63
|volume = 63
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|bibcode = 2011PASJ...63.1117U
|bibcode = 2011PASJ...63.1117U
|doi = 10.1093/pasj/63.5.1117
|doi = 10.1093/pasj/63.5.1117
|access-date= 26 March 2018}} [http://vizier.cfa.harvard.edu/viz-bin/VizieR?-source=J/PASJ/63/1117 Online catalog]</ref>
}} ([http://vizier.cfa.harvard.edu/viz-bin/VizieR-5?-source=J/PASJ/63/1117/acua_v1&Num=2324 online], [https://core.ac.uk/download/pdf/43545172.pdf AcuA catalog p. 153])</ref>


<ref name="Nugent-2016">{{cite journal
<ref name="Nugent-2016">{{cite journal
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|date = September 2016
|date = September 2016
|title = NEOWISE Reactivation Mission Year Two: Asteroid Diameters and Albedos
|title = NEOWISE Reactivation Mission Year Two: Asteroid Diameters and Albedos
|url = http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2016AJ....152...63N
|journal = The Astronomical Journal
|journal = The Astronomical Journal
|volume = 152
|volume = 152
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|doi = 10.3847/0004-6256/152/3/63
|doi = 10.3847/0004-6256/152/3/63
|arxiv = 1606.08923
|arxiv = 1606.08923
|access-date= 26 March 2018}}</ref>
|doi-access = free }}</ref>


<ref name="Nugent-2015">{{cite journal
<ref name="Nugent-2015">{{cite journal
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|date = December 2015
|date = December 2015
|title = NEOWISE Reactivation Mission Year One: Preliminary Asteroid Diameters and Albedos
|title = NEOWISE Reactivation Mission Year One: Preliminary Asteroid Diameters and Albedos
|url = http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2015ApJ...814..117N
|journal = The Astrophysical Journal
|journal = The Astrophysical Journal
|volume = 814
|volume = 814
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|doi = 10.1088/0004-637X/814/2/117
|doi = 10.1088/0004-637X/814/2/117
|arxiv = 1509.02522
|arxiv = 1509.02522
|access-date= 26 March 2018}}</ref>
|s2cid = 9341381 }}</ref>


<ref name="Gartrelle-2012">{{Cite journal
<ref name="Gartrelle-2012">{{Cite journal
Line 247: Line 245:
|date = April 2012
|date = April 2012
|title = Lightcurve Results for Eleven Asteroids
|title = Lightcurve Results for Eleven Asteroids
|url = http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2012MPBu...39...40G
|journal = The Minor Planet Bulletin
|journal = The Minor Planet Bulletin
|volume = 39
|volume = 39
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|issn = 1052-8091
|issn = 1052-8091
|bibcode = 2012MPBu...39...40G
|bibcode = 2012MPBu...39...40G
|access-date= 26 March 2018}}</ref>
}}</ref>


<ref name="Veres-2015">{{cite journal
<ref name="Veres-2015">{{cite journal
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|date = November 2015
|date = November 2015
|title = Absolute magnitudes and slope parameters for 250,000 asteroids observed by Pan-STARRS PS1 - Preliminary results
|title = Absolute magnitudes and slope parameters for 250,000 asteroids observed by Pan-STARRS PS1 - Preliminary results
|url = http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2015Icar..261...34V
|journal = Icarus
|journal = Icarus
|volume = 261
|volume = 261
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|doi = 10.1016/j.icarus.2015.08.007
|doi = 10.1016/j.icarus.2015.08.007
|arxiv = 1506.00762
|arxiv = 1506.00762
|access-date= 26 March 2018}}</ref>
|s2cid = 53493339 }}</ref>


<ref name="Ferret">{{cite web
<ref name="Ferret">{{cite web
|title = Small Bodies Data Ferret
|title = Small Bodies Data Ferret
|work = Nesvorny HCM Asteroid Families V3.0
|work = Nesvorny HCM Asteroid Families V3.0
|url = https://sbntools.psi.edu/ferret/PropertySearch/familyForm.action
|url = https://sbntools.psi.edu/ferret/PropertySearch/familyForm.action
|accessdate = 26 March 2018}}</ref>
|access-date = 26 March 2018
|archive-url = https://web.archive.org/web/20170802210005/http://sbntools.psi.edu/ferret/PropertySearch/familyForm.action
|archive-date = 2 August 2017
}}</ref>

<ref name="AstDys-object">{{cite web
|title = Asteroid 2324 Janice – Proper Elements
|publisher = AstDyS-2, Asteroids – Dynamic Site
|url = https://newton.spacedys.com/astdys/index.php?pc=1.1.6&n=2324
|access-date= 29 October 2019}}</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/NumberedMPs000001.html Discovery Circumstances: Numbered Minor Planets (1)-(5000)] – Minor Planet Center
* [https://www.minorplanetcenter.net/iau/lists/NumberedMPs000001.html Discovery Circumstances: Numbered Minor Planets (1)-(5000)] – Minor Planet Center
* {{AstDys|2324}}
* {{AstDys|2324}}
* {{JPL small body}}
* {{JPL small body}}


⚫
{{Use dmy dates|date=March 2018}}
{{Minor planets navigator |2323 Zverev |number=2324 |2325 Chernykh}}
{{Minor planets navigator |2323 Zverev |number=2324 |2325 Chernykh}}
{{Small Solar System bodies}}
{{Small Solar System bodies}}
{{Authority control}}


{{DEFAULTSORT:Janice}}
{{DEFAULTSORT:Janice}}
[[Category:Main-belt asteroids|002324]]
[[Category:Background asteroids|002324]]
[[Category:Numbered minor planets|002324]]
[[Category:Discoveries by Eleanor F. Helin]]
[[Category:Discoveries by Eleanor F. Helin]]
[[Category:Discoveries by Schelte J. Bus]]
[[Category:Discoveries by Schelte J. Bus]]
[[Category:Minor planets named for people]]
[[Category:Named minor planets]]
[[Category:Named minor planets]]
[[Category:Astronomical objects discovered in 1978|19781107]]
[[Category:Astronomical objects discovered in 1978|19781107]]

Latest revision as of 18:41, 24 December 2023

2324 Janice
Discovery [1]
Discovered byE. F. Helin
S. J. Bus
Discovery sitePalomar Obs.
Discovery date7 November 1978
Designations
(2324) Janice
Named after
Janice Cline [1]
(Supporter at Caltech)
1978 VS4 · 1929 WH
1934 VR · 1949 ME
1961 UP · 1971 OC1
1975 EM2 · 1977 RY4
A911 MC
main-belt [1][2] · (outer)
background [3] · Themis [4][5]
Orbital characteristics [2]
Epoch 23 March 2018 (JD 2458200.5)
Uncertainty parameter 0
Observation arc83.28 yr (30,418 d)
Aphelion3.6382 AU
Perihelion2.5282 AU
3.0832 AU
Eccentricity0.1800
5.41 yr (1,977 d)
245.72°
0° 10m 55.56s / day
Inclination0.3995°
315.66°
305.63°
Physical characteristics
23.55 km (calculated)[4]
24.33±6.61 km[6]
24.44±1.22 km[7]
25.76±7.43 km[8]
28.463±0.354 km[9]
28.532±0.238 km[10]
28.9±15.91 km[11]
31.19±15.91 km[12]
23.2±0.1 h[11]
0.038±0.004[10]
0.050±0.040[12]
0.06±0.04[6]
0.0601±0.0049[9]
0.07±0.03[8]
0.08 (assumed)[4]
0.093±0.010[7]
C (assumed)[4]
11.30[7] · 11.40[8][9][12]
11.46±0.36[13] · 11.5[2][4]
11.68[6]

2324 Janice, provisional designation 1978 VS4, is a dark background asteroid from the outer regions of the asteroid belt, approximately 25 kilometers (16 miles) in diameter. It was discovered on 7 November 1978, by American astronomers Eleanor Helin and Schelte Bus at the Palomar Observatory in California.[1] The asteroid was named for Janice Cline at Caltech. The presumably C-type asteroid has a rotation period of 23.2 hours.[4]

Orbit and classification

[edit]

Based on osculating Keplerian orbital elements, Janice is located in the region of the Themis family (602), a very large family of carbonaceous asteroids, named after 24 Themis.[4]

When applying the hierarchical clustering method to its proper orbital elements, the object is both a non-family asteroid of the main belt's background population (according to Nesvorný),[3] as well as a core member of the Themis family (according to Milani and Knežević).[5]

It orbits the Sun in the outer main-belt at a distance of 2.5–3.6 AU once every 5 years and 5 months (1,977 days; semi-major axis of 3.08 AU). Its orbit has an eccentricity of 0.18 and an inclination of 0° with respect to the ecliptic.[2] The body's observation arc begins with its first observation as A911 MC at Lowell Observatory in June 1911, more than 67 years prior to its official discovery observation at Palomar.[1]

Physical characteristics

[edit]

Janice is a presumed carbonaceous C-type asteroid which is the overall spectral type of members of the Themis family (602).[4]

Rotation period

[edit]

In October 2010, a rotational lightcurve of Janice was obtained from photometric observations by Gordon Gartrelle at the University of North Dakota Observatory in Grand Forks (730). Lightcurve analysis gave a tentative rotation period of 23.2 hours with a brightness amplitude of 0.19 magnitude (U=2-).[11] As of 2018, no secure period has been obtained.[4]

Diameter and albedo

[edit]

According to the surveys carried out by the Japanese Akari satellite and the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Janice measures between 24.33 and 31.19 kilometers in diameter and its surface has an albedo between 0.038 and 0.093.[6][7][8][9][10][12]

The Collaborative Asteroid Lightcurve Link assumes an albedo of 0.08 and calculates a diameter of 23.55 kilometers based on an absolute magnitude of 11.5.[4]

Naming

[edit]

This minor planet was named after Janice Cline, who for many years has encouraged astrometric studies of minor planets at Caltech.[1] The official naming citation was published by the Minor Planet Center on 1 March 1981 (M.P.C. 5850).[14]

References

[edit]
  1. ^ a b c d e f "2324 Janice (1978 VS4)". Minor Planet Center. Retrieved 26 March 2018.
  2. ^ a b c d "JPL Small-Body Database Browser: 2324 Janice (1978 VS4)" (2018-02-25 last obs.). Jet Propulsion Laboratory. Retrieved 26 March 2018.
  3. ^ a b "Small Bodies Data Ferret". Nesvorny HCM Asteroid Families V3.0. Archived from the original on 2 August 2017. Retrieved 26 March 2018.
  4. ^ a b c d e f g h i j "LCDB Data for (2324) Janice". Asteroid Lightcurve Database (LCDB). Retrieved 26 March 2018.
  5. ^ a b "Asteroid 2324 Janice – Proper Elements". AstDyS-2, Asteroids – Dynamic Site. Retrieved 29 October 2019.
  6. ^ a b c d Nugent, C. R.; Mainzer, A.; Bauer, J.; Cutri, R. M.; Kramer, E. A.; Grav, T.; et al. (September 2016). "NEOWISE Reactivation Mission Year Two: Asteroid Diameters and Albedos". The Astronomical Journal. 152 (3): 12. arXiv:1606.08923. Bibcode:2016AJ....152...63N. doi:10.3847/0004-6256/152/3/63.
  7. ^ a b c d Usui, Fumihiko; Kuroda, Daisuke; Müller, Thomas G.; Hasegawa, Sunao; Ishiguro, Masateru; Ootsubo, Takafumi; et al. (October 2011). "Asteroid Catalog Using Akari: AKARI/IRC Mid-Infrared Asteroid Survey". Publications of the Astronomical Society of Japan. 63 (5): 1117–1138. Bibcode:2011PASJ...63.1117U. doi:10.1093/pasj/63.5.1117. (online, AcuA catalog p. 153)
  8. ^ a b c d Nugent, C. R.; Mainzer, A.; Masiero, J.; Bauer, J.; Cutri, R. M.; Grav, T.; et al. (December 2015). "NEOWISE Reactivation Mission Year One: Preliminary Asteroid Diameters and Albedos". The Astrophysical Journal. 814 (2): 13. arXiv:1509.02522. Bibcode:2015ApJ...814..117N. doi:10.1088/0004-637X/814/2/117. S2CID 9341381.
  9. ^ a b c d Mainzer, A.; Grav, T.; Masiero, J.; Hand, E.; Bauer, J.; Tholen, D.; et al. (November 2011). "NEOWISE Studies of Spectrophotometrically Classified Asteroids: Preliminary Results". The Astrophysical Journal. 741 (2): 25. arXiv:1109.6407. Bibcode:2011ApJ...741...90M. doi:10.1088/0004-637X/741/2/90. S2CID 35447010.
  10. ^ a b c Masiero, Joseph R.; Mainzer, A. K.; Grav, T.; Bauer, J. M.; Cutri, R. M.; Dailey, J.; et al. (November 2011). "Main Belt Asteroids with WISE/NEOWISE. I. Preliminary Albedos and Diameters". The Astrophysical Journal. 741 (2): 20. arXiv:1109.4096. Bibcode:2011ApJ...741...68M. doi:10.1088/0004-637X/741/2/68. S2CID 118745497.
  11. ^ a b c Gartrelle, Gordon M. (April 2012). "Lightcurve Results for Eleven Asteroids". The Minor Planet Bulletin. 39 (2): 40–46. Bibcode:2012MPBu...39...40G. ISSN 1052-8091.
  12. ^ a b c d Masiero, Joseph R.; Mainzer, A. K.; Grav, T.; Bauer, J. M.; Cutri, R. M.; Nugent, C.; 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.
  13. ^ Veres, Peter; Jedicke, Robert; Fitzsimmons, Alan; Denneau, Larry; Granvik, Mikael; Bolin, Bryce; et al. (November 2015). "Absolute magnitudes and slope parameters for 250,000 asteroids observed by Pan-STARRS PS1 - Preliminary results". Icarus. 261: 34–47. arXiv:1506.00762. Bibcode:2015Icar..261...34V. doi:10.1016/j.icarus.2015.08.007. S2CID 53493339.
  14. ^ "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 26 March 2018.
[edit]
Retrieved from "https://en.wikipedia.org/w/index.php?title=2324_Janice&oldid=1191631645"