90P/Gehrels, also known as Gehrels 1, is a Jupiter-family comet in the Solar System.[1] The comet nucleus is about 7.8 km in diameter.[1]
| Discovery | |
|---|---|
| Discovered by | Tom Gehrels |
| Discovery date | 11 October 1972 |
| Designations | |
| Gehrels 1 | |
| Orbital characteristics | |
| Epoch | 15 June 2002 |
| Observation arc | 29 years (1972-2001) |
| Number of observations | 52 |
| Aphelion | 9.110 AU |
| Perihelion | 2.966 AU |
| Semi-major axis | 6.038 AU |
| Eccentricity | 0.5088 |
| Orbital period | 14.8 yr |
| Inclination | 9.616° |
| Last perihelion | 19 June 2017[1][2] 22 June 2002 |
| Next perihelion | 2032-May-19[2] |
| Physical characteristics | |
| Dimensions | ~7.8 km[1] |
References
edit
 | This comet-related article is a stub. You can help Wikipedia by expanding it. |