102P/Shoemaker
102P/Shoemaker, also known as Shoemaker 1, is a periodic comet in the Solar System. It was first seen in 1984 and then again in 1991. Images taken of it in 1999 were not recognized until 2006 when it was once again observed. It was unexpectedly dim in each of these returns.
| Discovery | |
|---|---|
| Discovered by | Carolyn S. Shoemaker Eugene Merle Shoemaker |
| Discovery date | September 27, 1984 |
| Alternative designations | 1984 XVI; 1991 XXIII |
| Orbital characteristics A | |
| Epoch | March 6, 2006 |
| Aphelion | 5.505 AU |
| Perihelion | 1.974 AU |
| Semi-major axis | 3.739 AU |
| Eccentricity | 0.4722 |
| Orbital period | 7.231 a |
| Inclination | 26.2538° |
| Last perihelion | September 1, 2013[1] June 6, 2006 |
| Next perihelion | 2021-Jan-22[2] |
References
- Syuichi Nakano (2010-04-28). "102P/Shoemaker 1 (NK 1924)". OAA Computing and Minor Planet Sections. Retrieved 2012-02-20.
- "102P/Shoemaker Orbit". Minor Planet Center. Retrieved 2014-06-17.
External links
- Orbital simulation from JPL (Java) / Horizons Ephemeris
- 102P/Shoemaker 1 – Seiichi Yoshida @ aerith.net
- 102P at Kronk's Cometography
- IAU Minor Planet Center, Minor Planet Electronic Circular No. 2006-O54 giving questionable observations from 1999/2000 and new observations from 2006.
- IAU Central Bureau for Astronomical Telegrams Circular No. 5361 giving visual magnitude estimates for 1991 observations.
- IAU Central Bureau for Astronomical Telegrams Circular No. 5336 giving calculated orbit based on 1991 observations.
- IAU Central Bureau for Astronomical Telegrams Circular No. 5286 Describing recovery of 102P/Shoemaker in 1991
- IAU Central Bureau for Astronomical Telegrams Circular No. 4017. Describing more visual magnitude estimates and orbital parameters from 1984.
- IAU Central Bureau for Astronomical Telegrams Circular No. 4002. Describing visual magnitude estimates of comet from 1984.
- IAU Central Bureau for Astronomical Telegrams Circular No. 4000. Describing positions of comet observed in 1984. Also mentions close pass of Jupiter calculated to have occurred in 1980.
- IAU Central Bureau for Astronomical Telegrams Circular No. 3998 Describing the initial calculation of the comet's orbit in 1984
| Numbered comets | ||
|---|---|---|
| Previous 101P/Chernykh |
102P/Shoemaker | Next 103P/Hartley |
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