Discovery | |
---|---|
Discovered by |
Joseph Ashbrook
United States Cyril V. Jackson South Africa |
Discovery date | August 26, 1948 |
Designations | |
1948 IX; 1956 II; 1963 VI; 1971 III; 1978 XIV; 1986 II; 1993 XIII | |
Orbital characteristics | |
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° |
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]
Comet 47P/Ashbrook–Jackson was discovered by Joseph Ashbrook and Cyril Jackson in 1948.
47p is in the name because it was the 47th periodic comet discovered. Ashbrook–Jackson is the names of its two discoverers.