Astronomy:2995 Taratuta

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Short description: Asteroid
2995 Taratuta
Discovery [1]
Discovered byN. Chernykh
Discovery siteCrimean Astrophysical Obs.
Discovery date31 August 1978
Designations
(2995) Taratuta
Named afterYevgeniya Taratuta
(Soviet writer)[2]
1978 QK · 1951 JS
1955 FD2 · 1955 FU
1959 EE
Minor planet categorymain-belt · Eunomia [3]
Orbital characteristics [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc61.86 yr (22,593 days)
|{{{apsis}}}|helion}}2.9702 AU
|{{{apsis}}}|helion}}2.2624 AU
2.6163 AU
Eccentricity0.1353
Orbital period4.23 yr (1,546 days)
Mean anomaly309.94°
Mean motion0° 13m 58.44s / day
Inclination14.836°
Longitude of ascending node169.77°
329.51°
Physical characteristics
Dimensions16.59 km[4]
16.66 km (derived)[3]
18.10±0.52 km[5]
Rotation period6.6±0.1 h[6]
11.14±0.02 h[7]
Geometric albedo0.060±0.004[5]
0.0704[4]
0.0920 (derived)[3]
S [3]
Absolute magnitude (H)12.1[1][3] · 12.10±0.46[8] · 12.4[4][5]


2995 Taratuta, provisional designation 1978 QK, is a stony Eunomian asteroid from the middle region of the asteroid belt, approximately 17 kilometers in diameter. It was discovered on 31 August 1978, by Russian astronomer Nikolai Chernykh at the Crimean Astrophysical Observatory, Nauchnyj, on the Crimean peninsula.[9] The asteroid was later named after Soviet writer Yevgeniya Taratuta.[2]

Orbit and classification

2995 Taratuta is a member of the Eunomia family, a large group of S-type asteroids and the most prominent family in the intermediate main-belt. It orbits the Sun in the central main-belt at a distance of 2.3–3.0 AU once every 4 years and 3 months (1,546 days). Its orbit has an eccentricity of 0.14 and an inclination of 15° with respect to the ecliptic.[1]

It was first identified as 1951 JS at McDonald Observatory in 1951. The asteroid's first used observation was a precovery taken at Mitaka Observatory (388) in 1955, extending the body's observation arc by 23 years prior to its official discovery observation at Nauchnyj.[9]

Physical characteristics

Rotation period

In March 2014, a rotational lightcurve was obtained from photometric observations at the U.S. Burleith Observatory in Washington D.C.. It gave a well-defined rotation period of 11.1 hours with a brightness variation of 0.25 magnitude ({{{1}}})[7]

A previous fragmentary lightcurve obtained by French amateur astronomer Laurent Bernasconi in May 2006, gave a much shorter period of 6.6 hours with an amplitude of 0.06 ({{{1}}}).[6]

Diameter and albedo

According to the survey carried out by the Infrared Astronomical Satellite IRAS and the Japanese Akari satellite, the asteroid measures 16.6 and 18.1 kilometers in diameter and its surface has an albedo of 0.06 and 0.07, respectively.[4][5] The Collaborative Asteroid Lightcurve Link derives an albedo of 0.09 and a diameter of 16.7 kilometers with an absolute magnitude of 12.1[3]

Naming

This minor planet was named in honor of Yevgeniya Taratuta, Soviet writer and literary scholar.[2] The official naming citation was published by the Minor Planet Center on 18 September 1986 (M.P.C. 11158).[10]

References

  1. ↑ 1.0 1.1 1.2 1.3 "JPL Small-Body Database Browser: 2995 Taratuta (1978 QK)". Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2002995. Retrieved 14 June 2017. 
  2. ↑ 2.0 2.1 2.2 Schmadel, Lutz D. (2007). "(2995) Taratuta". Dictionary of Minor Planet Names – (2995) Taratuta. Springer Berlin Heidelberg. p. 246. doi:10.1007/978-3-540-29925-7_2996. ISBN 978-3-540-00238-3. 
  3. ↑ 3.0 3.1 3.2 3.3 3.4 3.5 "LCDB Data for (2995) Taratuta". Asteroid Lightcurve Database (LCDB). http://www.minorplanet.info/PHP/generateOneAsteroidInfo.php?AstInfo=2995%7CTaratuta. Retrieved 6 December 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 Behrend, Raoul. "Asteroids and comets rotation curves – (2995) Taratuta". Geneva Observatory. http://obswww.unige.ch/~behrend/page4cou.html#002995. Retrieved 6 December 2016. 
  7. ↑ 7.0 7.1 Schmidt, Richard E. (January 2015). "NIR Minor Planet Photometry from Burleith Observatory: 2014 February - June". The Minor Planet Bulletin 42 (1): 1–3. ISSN 1052-8091. Bibcode: 2015MPBu...42....1S. http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2015MPBu...42....1S. Retrieved 6 December 2016. 
  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 6 December 2016. 
  9. ↑ 9.0 9.1 "2995 Taratuta (1978 QK)". Minor Planet Center. https://www.minorplanetcenter.net/db_search/show_object?object_id=2995. Retrieved 6 December 2016. 
  10. ↑ "MPC/MPO/MPS Archive". Minor Planet Center. https://www.minorplanetcenter.net/iau/ECS/MPCArchive/MPCArchive_TBL.html. Retrieved 6 December 2016. 

External links



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