2995 Taratuta

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2995 Taratuta
Discovery  [1]
Discovered by N. Chernykh
Discovery site Crimean Astrophysical Obs.
Discovery date31 August 1978
Designations
(2995) Taratuta
Named after
Yevgeniya Taratuta
(Soviet writer) [2]
1978 QK ·1951 JS
1955 FD2 ·1955 FU
1959 EE
main-belt  · Eunomia   [3]
Orbital characteristics   [1]
Epoch 4 September 2017 (JD 2458000.5)
Uncertainty parameter 0
Observation arc 61.86 yr (22,593 days)
Aphelion 2.9702 AU
Perihelion 2.2624 AU
2.6163 AU
Eccentricity 0.1353
4.23 yr (1,546 days)
309.94°
0° 13m 58.44s / day
Inclination 14.836°
169.77°
329.51°
Physical characteristics
Dimensions16.59 km [4]
16.66 km (derived) [3]
18.10±0.52 km [5]
6.6±0.1 h [6]
11.14±0.02 h [7]
0.060±0.004 [5]
0.0704 [4]
0.0920 (derived) [3]
S   [3]
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]

    Contents

    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 ( U=3- ) [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 ( U=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]

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    References

    1. 1 2 3 4 "JPL Small-Body Database Browser: 2995 Taratuta (1978 QK)" (2017-01-27 last obs.). Jet Propulsion Laboratory . Retrieved 14 June 2017.
    2. 1 2 3 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. 1 2 3 4 5 6 "LCDB Data for (2995) Taratuta". Asteroid Lightcurve Database (LCDB). Retrieved 6 December 2016.
    4. 1 2 3 4 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 . Retrieved 22 October 2019.
    5. 1 2 3 4 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)
    6. 1 2 Behrend, Raoul. "Asteroids and comets rotation curves – (2995) Taratuta". Geneva Observatory . Retrieved 6 December 2016.
    7. 1 2 Schmidt, Richard E. (January 2015). "NIR Minor Planet Photometry from Burleith Observatory: 2014 February - June". The Minor Planet Bulletin. 42 (1): 1–3. Bibcode:2015MPBu...42....1S. ISSN   1052-8091 . 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. arXiv: 1506.00762 . Bibcode:2015Icar..261...34V. doi:10.1016/j.icarus.2015.08.007 . Retrieved 6 December 2016.
    9. 1 2 "2995 Taratuta (1978 QK)". Minor Planet Center. Retrieved 6 December 2016.
    10. ↑ "MPC/MPO/MPS Archive". Minor Planet Center. Retrieved 6 December 2016.
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