101P/Chernykh

101P/Chernykh[5] is a periodic comet which was first discovered on August 19, 1977, by Nikolaj Stepanovich Chernykh.[6]

101P/Chernykh
Discovery
Discovered byNikolai Stepanovich Chernykh
Discovery dateAugust 19, 1977
Designations
1978 IV; 1992 II
Orbital characteristics
EpochMarch 6, 2006
Aphelion9.224 AU
Perihelion2.351 AU
Semi-major axis5.787 AU
Eccentricity0.5938
Orbital period13.92 yr
Inclination5.0792°
Last perihelionJanuary 13, 2020 (A)[1]
January 31, 2020 (B)[2]
December 25, 2005 (A)[3]
December 24, 2005 (B)[4]
Next perihelion2034-Jan-10 (A) (Horizons)
2034-Feb-21 (B) (Horizons)

In 1991, 101P/Chernykh was observed to split. JPL concluded that the comet split in April 1991, when 3.3 AU from the Sun.[7]

The primary nucleus is 5.6 km (3.5 mi) in diameter and was last observed in 2022.[8] Fragment B has not been observed since 2006.[4]

Difference in perihelion date for fragment A+B
Year Horizons
difference
20051 day
202018 days
203443 days

References
  1. MPC
  2. Horizons output. "Observer Table for Comet 101P/Chernykh-B". Retrieved 2020-07-03. (Observer Location:@sun)
  3. Syuichi Nakano (2005-12-14). "101P/Chernykh - A (NK 1293)". OAA Computing and Minor Planet Sections. Retrieved 2020-07-11.
  4. "JPL Small-Body Database Browser: 101P/Chernykh-B". Retrieved 2020-07-03.
  5. "Periodic Comet Numbers". Minor Planet Center. Archived from the original on November 6, 2010. Retrieved November 7, 2010.
  6. Kronk, Gary W. "101p/Chernykh". cometography.com. Archived from the original on 27 October 2010. Retrieved November 9, 2010.
  7. Daniel W. E. Green (1991-11-21). "IAUC 5391: 1991o". Minor Planet Center. Retrieved 2008-10-25.
  8. "JPL Small-Body Database Browser: 101P/Chernykh". Retrieved 2008-10-25.
For 101P/Chernykh-B
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