143P/Kowal–Mrkos is a periodic comet in the Solar System.

143P/Kowal–Mrkos
Discovery
Discovered byCharles T. Kowal
Antonín Mrkos
Discovery dateApril 23, 1984
Designations
1984 JD; 1984 X; 2000 ET90
Orbital characteristics
EpochMarch 6, 2006
Aphelion6.074 AU
Perihelion2.538 AU
Semi-major axis4.306 AU
Eccentricity0.4106
Orbital period8.935 a
Inclination4.6896°
Last perihelionMay 7, 2018[1]
June 12, 2009
Next perihelion2026-Dec-28[2]
Jupiter MOID0.0196 AU (2,930,000 km)

References

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  1. ^ "143P/Kowal-Mrkos Orbit". Minor Planet Center. Retrieved 2014-06-18.
  2. ^ "Horizons Batch for 143P/Kowal-Mrkos on 2026-Dec-28" (Perihelion occurs when rdot flips from negative to positive). JPL Horizons. Retrieved 2023-04-29. (JPL#94/Soln.date: 2022-Nov-29)
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Numbered comets
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142P/Ge–Wang
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144P/Kushida