47P/Ashbrook–Jackson
Discovery | |
---|---|
Discovered by | Joseph Ashbrook United States Cyril V. JacksonSouth Africa |
Discovery date | August 26, 1948 |
Alternative designations | 1948 IX; 1956 II; 1963 VI; 1971 III; 1978 XIV; 1986 II; 1993 XIII |
Orbital characteristics A | |
Epoch | March 6, 2006 |
Aphelion | 5.44 AU |
Perihelion | 2.759 AU |
Semi-major axis | 4.1 AU |
Eccentricity | 0.3269 |
Orbital period | 8.301 a |
Inclination | 13.2252° |
Jupiter MOID | 0.117 AU (17,500,000 km)[2] |
Last perihelion | June 10, 2017[1] January 31, 2009 |
Next perihelion | 2025-Oct-28 (JPL Horizons last obs 2020-02-02) |
47P/Ashbrook–Jackson is a periodic comet in the Solar System.
The comet nucleus is estimated to be 5.6 kilometers in diameter.[2]
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
- ^ 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
Categories:
- Cometary object articles
- Periodic comets
- Numbered comets
- Comets in 2017
- Astronomical objects discovered in 1948
- Comet stubs