71P/Clark
| Discovery | |
|---|---|
| Discovered by | |
| Discovery date | June 9, 1973 |
| Alternative designations | 1973 V; 1978 XXIII; 1984 VIII; 1989 XX; 1994t |
| Orbital characteristics A | |
| Epoch | March 6, 2006 |
| Aphelion | 4.685 AU |
| Perihelion | 1.562 AU |
| Semi-major axis | 3.124 AU |
| Eccentricity | 0.4999 |
| Orbital period | 5.521 a |
| Inclination | 9.4883° |
| Last perihelion | June 30, 2017[1] December 15, 2011 |
| Next perihelion | 2023-Jan-21[2] |
71P/Clark is a periodic comet in the Solar System with an orbital period of 5.5 years.
It was discovered by Michael Clark at Mount John University Observatory, New Zealand on 9 June 1973 with a brightness of apparent magnitude 13. Subsequently it has been observed in 1978, 1984, 1989, 1995, 2000, 2006, 2011[3] and 2017.[4]
See also[]
- List of numbered comets
References[]
- ^ Syuichi Nakano (2011-02-06). "71P/Clark (NK 2030)". OAA Computing and Minor Planet Sections. Retrieved 2012-02-18.
- ^ MPC
- ^ "71P/Clark". Cometography. Retrieved 25 February 2015.
- ^ "APOD 2017, May 27 - Comet Clark is near the Edge". Retrieved 27 May 2017.
External links[]
- Orbital simulation from JPL (Java) / Horizons Ephemeris
- 71P/Clark – Seiichi Yoshida @ aerith.net
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Categories:
- Cometary object articles
- Periodic comets
- Numbered comets
- Comets in 2011
- Comets in 2017
- Astronomical objects discovered in 1973
- Comet stubs