65P/Gunn
65P/Gunn is a periodic comet in the Solar System which has a current orbital period of 6.79 years.
| Discovery | |
|---|---|
| Discovered by | James E. Gunn |
| Discovery date | October 17, 1970 |
| Alternative designations | 1969 II; 1976 III; 1982 X; 1989 XI; |
| Orbital characteristics A | |
| Epoch | March 6, 2006 |
| Aphelion | 4.737 AU |
| Perihelion | 2.444 AU |
| Semi-major axis | 3.59 AU |
| Eccentricity | 0.3194 |
| Orbital period | 6.803 a |
| Inclination | 10.3867° |
| Last perihelion | October 16, 2017[1] March 2, 2010 May 11, 2003 |
| Next perihelion | 2025-Jun-16[2] |
It was discovered on 11 October 1970 by Professor James E. Gunn of Princeton University using the 122-cm Schmidt telescope at the Palomar Observatory. It had a low brightness of magnitude 16 plus which improves to 12 under favourable conditions.
The comet is a short-period comet, orbiting the Sun every 6.79 years inside the main asteroid belt between the orbits of the planets Mars and Jupiter.[3]
On 4 February 1970 the comet passed 0.015 AU (2,200,000 km; 1,400,000 mi) from Ceres.[4]
See also
References
- Syuichi Nakano (2010-06-19). "65P/Gunn (NK 1941)". OAA Computing and Minor Planet Sections. Retrieved 2012-02-18.
- MPC
- "WISE Catches Comet 65P/Gunn". Jet Propulsion Laboratory. Retrieved 26 November 2014.
- "JPL Close-Approach Data: 65P/Gunn" (2012-1-25 last obs). Retrieved 2012-02-23.
External links
- Orbital simulation from JPL (Java) / Horizons Ephemeris
- 65P at Kronk's Cometography
- 65P/Gunn – Seiichi Yoshida @ aerith.net
- 65P at Las Cumbres Observatory (26 Jun 2010 11:16, 150 seconds)
| Numbered comets | ||
|---|---|---|
| Previous 64P/Swift–Gehrels |
65P/Gunn | Next 66P/du Toit |
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