| Discovery | |
|---|---|
| Discovered by: | Joseph Ashbrook United States Cyril V. JacksonSouth Africa |
| Discovery date: | August 26, 1948 |
| Alternate 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° |
| Last perihelion: | January 31, 2009 |
| Next perihelion: | June 10, 2017 |
47P/Ashbrook–Jackson is a periodic comet in our solar system.
The comet nucleus is estimated to be 5.6 kilometers in diameter.[1]
Contents |
Comet 47P/Ashbrook–Jackson was discovered by American and South African scientists in 1948.
47p is in the name because it was the 47th periodic comet discovered. Ashbrook–Jackson is the names of its two discoverers.
| Periodic comets (by number) | ||
|---|---|---|
| Previous 46P/Wirtanen |
47P/Ashbrook–Jackson | Next 48P/Johnson |