2121 Sevastopol

2121 Sevastopol
Discovery [1]
Discovered by T. Smirnova
Discovery site CrAO (Nauchnyj)
Discovery date 27 June 1971
Designations
MPC designation 2121 Sevastopol
Named after
 Sevastopol city[2]
1971 ME · 1932 HM
1936 WD · 1938 DY
1939 TO · 1952 SZ
1968 QJ1 · 1977 ED2
1978 WG
main-belt
Orbital characteristics [1]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 0
Observation arc 79.33 yr (28976 days)
Aphelion 2.5728 AU (384.89 Gm)
Perihelion 1.7949 AU (268.51 Gm)
2.1839 AU (326.71 Gm)
Eccentricity 0.17808
3.23 yr (1178.8 d)
271.68°
0° 18m 19.44s / day
Inclination 4.3781°
145.72°
160.32°
Earth MOID 0.77889 AU (116.520 Gm)
Jupiter MOID 2.65733 AU (397.531 Gm)
Jupiter Tisserand parameter 3.654
Physical characteristics
2.90640 h (0.121100 d)
12.2
    S/2010 (2121) 1
    Discovery
    Discovered by D. Higgins, P. Pravec, P. Kusnirak, J. Pollock, J. Oey, M. Husarik, G. Cervak, D. E. Reichart, K. M. Ivarsen, J. B. Haislip, and A. LaCluyze
    Discovery date 2010/07/23
    Light curve
    Orbital characteristics
    26 km
    1.546 d
    13 hours, 6 minutes
    46 mas (maximum)
    Satellite of 2121 Sevastopol
    Physical characteristics
    Dimensions 3.54 ± 0.17 km
    Volume 20.0-26.7 km3 (assumed)
    1.9 ± 0.1 fainter than primary
    ~16.1

      2121 Sevastopol, provisionally designated 1971 ME, is a main-belt binary asteroid[3] discovered on June 27, 1971 by Tamara Smirnova at Crimean Astrophysical Observatory.[1]

      The asteroid was named after the Crimean city on the 200th anniversary of its foundation.[2]

      Satellite

      In 2010 a moon was discovered around the asteroid, orbiting at a distance of 26 kilometers with a diameter of 3.54 ± 0.17 km.[3]

      References

      1. 1 2 3 "JPL Small-Body Database Browser: 2121 Sevastopol (1971 ME)" (2015-05-28 last obs.). Jet Propulsion Laboratory. Retrieved 15 April 2016.
      2. 1 2 Schmadel, Lutz D. (2003). Dictionary of Minor Planet Names – (2121) Sevastopol. Springer Berlin Heidelberg. p. 172. ISBN 978-3-540-29925-7. Retrieved October 2015.
      3. 1 2 Johnston, Robert. "(2121) Sevastopol". johnstonsarchive.net. Retrieved 28 May 2015.

      External links


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