47P/Ashbrook–Jackson
| Discovery | |
|---|---|
AU | |
| Eccentricity | 0.3269 |
| Orbital period | 8.301 a |
| Inclination | 13.2252° |
| Last perihelion | June 10, 2017[1] January 31, 2009 |
| Next perihelion | 2025-Oct-28[2] |
| Jupiter MOID | 0.117 AU (17,500,000 km)[3] |
47P/Ashbrook–Jackson is a periodic comet in the Solar System.
The comet nucleus is estimated to be 5.6 kilometers in diameter.[3]
History
Comet 47P/Ashbrook–Jackson was discovered by Joseph Ashbrook and Cyril Jackson in 1948.
Name
47p is in the name because it was the 47th periodic comet discovered. Ashbrook–Jackson is the names of its two discoverers.
Apparitions
- October 28, 2025
- June 10, 2017
- January 31, 2009
- January 6, 2001
- July 14, 1993
- January 24, 1986
- August 19, 1978
- March 13, 1971
- October 2, 1963
- April 6, 1956
- October 4, 1948
References
- ^ MPC
- ^ "Horizons Batch for 47P/Ashbrook-Jackson (90000557) on 2025-Oct-28" (Perihelion occurs when rdot flips from negative to positive). JPL Horizons. Archived from the original on 2022-06-27. Retrieved 2023-07-06. (JPL#K257/4 Soln.date: 2023-May-04)
- ^ a b "JPL Small-Body Database Browser: 47P/Ashbrook-Jackson" (2010-01-21 last obs). Jet Propulsion Laboratory. Retrieved 2010-03-01.
External links
- 47P/Ashbrook-Jackson – Seiichi Yoshida @ aerith.net
- 47P at Kronk's Cometography / Periodic comets
- 47P/Ashbrook-Jackson at the JPL Small-Body Database
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