143P/Kowal–Mrkos is a periodic comet in the Solar System.
| Discovery | |
|---|---|
| Discovered by | Charles T. Kowal Antonín Mrkos |
| Discovery date | April 23, 1984 |
| Designations | |
| 1984 JD; 1984 X; 2000 ET90 | |
| Orbital characteristics | |
| Epoch | March 6, 2006 |
| Aphelion | 6.074 AU |
| Perihelion | 2.538 AU |
| Semi-major axis | 4.306 AU |
| Eccentricity | 0.4106 |
| Orbital period | 8.935 a |
| Inclination | 4.6896° |
| Last perihelion | May 7, 2018[1] June 12, 2009 |
| Next perihelion | 2026-Dec-28[2] |
| Jupiter MOID | 0.0196 AU (2,930,000 km) |
References
edit- ^ "143P/Kowal-Mrkos Orbit". Minor Planet Center. Retrieved 2014-06-18.
- ^ "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)
- Jewitt; Sheppard, Scott; Fernández, Yanga; et al. (2003). "143P/Kowal-Mrkos and the Shapes of Cometary Nuclei". The Astronomical Journal. 125 (6): 3366–3377. Bibcode:2003AJ....125.3366J. CiteSeerX 10.1.1.690.5891. doi:10.1086/374947. S2CID 53614673.
External links
edit- Orbital simulation from JPL (Java) / Horizons Ephemeris
- 143P/Kowal-Mrkos – Seiichi Yoshida @ aerith.net
- 143P at Kronk's Cometography
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