Astronomy:2892 Filipenko

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2892 Filipenko
Discovery [1]
Discovered byL. G. Karachkina
Discovery siteCrimean Astrophysical Obs.
Discovery date13 January 1983
Designations
(2892) Filipenko
Named afterAleksandr Filipenko
(Crimean surgeon)[2]
1983 AX2 · 1936 QK1
1953 SB · 1953 SL
1955 DO · 1957 KP
1964 PA · A910 CK
Minor planet categorymain-belt · (outer) [3]
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc63.63 yr (23,242 days)
|{{{apsis}}}|helion}}3.8269 AU
|{{{apsis}}}|helion}}2.5215 AU
3.1742 AU
Eccentricity0.2056
Orbital period5.66 yr (2,066 days)
Mean anomaly97.252°
Mean motion0° 10m 27.48s / day
Inclination16.956°
Longitude of ascending node326.54°
91.945°
Physical characteristics
Dimensions56.08 km (derived)[3]
56.13±1.4 km[4]
57.37±0.93 km[5]
69.492±0.396 km[6]
Rotation period14.00±0.01 h[7]
Geometric albedo0.030±0.007[6]
0.0426 (derived)[3]
0.045±0.002[5]
0.0466±0.002[4]
SMASS = C [1] · C [3]
Absolute magnitude (H)10.02±0.31[8] · 10.20[4][5][6] · 10.3[1][3]


2892 Filipenko, provisional designation 1983 AX2, is a carbonaceous asteroid from the outer region of the asteroid belt, approximately 60 kilometers in diameter.

The asteroid was discovered on 13 January 1983, by Russian female astronomer Lyudmila Karachkina at Crimean Astrophysical Observatory in Nauchnyj, on the Crimean peninsula.[9] It was named after surgeon Aleksandr Filipenko.[2]

Orbit and classification

Filipenko is a dark asteroid that orbits the Sun in the outer main-belt at a distance of 2.5–3.8 AU once every 5 years and 8 months (2,066 days). Its orbit has an eccentricity of 0.21 and an inclination of 17° with respect to the ecliptic.[1]

First identified as A910 CK at Taunton Observatory (803) in 1910, Filipenko's first used observation was made at the Finnish Turku Observatory in 1953, extending the body's observation arc by 30 years prior to its official discovery observation at Nauchnyj.[9]

Physical characteristics

In the SMASS classification, Filipenko has been classified as a carbonaceous C-type asteroid.[1]

Diameter and albedo

According to the surveys carried out by the Infrared Astronomical Satellite IRAS, the Japanese Akari satellite and NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Filipenko measures between 56.1 and 69.5 kilometers in diameter and its surface has an albedo between 0.030 and 0.046.[4][5][6] The Collaborative Asteroid Lightcurve Link derives an albedo of 0.0426 and a smaller diameter of 56.0 kilometers with an absolute magnitude of 10.3.[3]

Rotation period

In November 2004, a rotational lightcurve of Filipenko was obtained from photometric observations by Robert D. Stephens at the Santana Observatory (646), California, and gave a well-defined rotation period of 14.00±0.01 hours with a brightness variation of 0.21±0.03 magnitude ({{{1}}}).[7]

Naming

This minor planet is named for Aleksandr Filipenko, chief surgeon at the hospital in Bakhchisarai located on the Crimean peninsula. He had saved the life of a friend of the discoverer Lyudmila Karachkina.[2] The official naming citation was published by the Minor Planet Center on 13 July 1984 (M.P.C. 8913).[10]

References

  1. ↑ 1.0 1.1 1.2 1.3 1.4 1.5 "JPL Small-Body Database Browser: 2892 Filipenko (1983 AX2)". Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2002892. Retrieved 14 June 2017. 
  2. ↑ 2.0 2.1 2.2 Schmadel, Lutz D. (2007). "(2892) Filipenko". Dictionary of Minor Planet Names – (2892) Filipenko. Springer Berlin Heidelberg. p. 238. doi:10.1007/978-3-540-29925-7_2893. ISBN 978-3-540-00238-3. 
  3. ↑ 3.0 3.1 3.2 3.3 3.4 3.5 "LCDB Data for (2892) Filipenko". Asteroid Lightcurve Database (LCDB). http://www.minorplanet.info/PHP/generateOneAsteroidInfo.php?AstInfo=2892%7CFilipenko. Retrieved 29 October 2016. 
  4. ↑ 4.0 4.1 4.2 4.3 Tedesco, E. F.; Noah, P. V.; Noah, M.; Price, S. D. (October 2004). "IRAS Minor Planet Survey V6.0". NASA Planetary Data System 12: IRAS-A-FPA-3-RDR-IMPS-V6.0. Bibcode: 2004PDSS...12.....T. https://sbnarchive.psi.edu/pds3/iras/IRAS_A_FPA_3_RDR_IMPS_V6_0/data/diamalb.tab. Retrieved 22 October 2019. 
  5. ↑ 5.0 5.1 5.2 5.3 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. doi:10.1093/pasj/63.5.1117. Bibcode: 2011PASJ...63.1117U.  (online, AcuA catalog p. 153)
  6. ↑ 6.0 6.1 6.2 6.3 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. doi:10.1088/2041-8205/759/1/L8. Bibcode: 2012ApJ...759L...8M. http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2012ApJ...759L...8M. Retrieved 29 October 2016. 
  7. ↑ 7.0 7.1 Stephens, Robert D. (June 2005), "Rotational periods of 743 Eugenisis, 995 Sternberga, 1185 Nikko 2892 Filipenko, 3144 Brosche, and 3220 Murayama", The Minor Planet Bulletin 32 (2): 27–28, Bibcode: 2005MPBu...32...27S. 
  8. ↑ 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. doi:10.1016/j.icarus.2015.08.007. Bibcode: 2015Icar..261...34V. http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2015Icar..261...34V. Retrieved 29 October 2016. 
  9. ↑ 9.0 9.1 "2892 Filipenko (1983 AX2)". Minor Planet Center. https://www.minorplanetcenter.net/db_search/show_object?object_id=2892. Retrieved 29 October 2016. 
  10. ↑ "MPC/MPO/MPS Archive". Minor Planet Center. https://www.minorplanetcenter.net/iau/ECS/MPCArchive/MPCArchive_TBL.html. Retrieved 29 October 2016. 

External links



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