(12317) Madicampbell Main-belt Asteroid
Discovered on 24 April 1992 by Spacewatch at Kitt Peak.
Margaret Diane Campbell (b. 1976), a Ph.D. student at the University of Western Ontario, became interested in astronomy as a young girl.Naming citation (20020526/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Madicampbell is today
Seen from above the solar system on 2026-10-14: Madicampbell is 2.71 au from the Sun and 1.92 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12317 |
| Provisional designation | 1992 HH1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 13.1 km (#3,687 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0490 |
| Rotation period | 7.26 hours |
| Absolute magnitude (H) | 13.63 |
| Orbital period | 4.66 years |
| Semi-major axis | 2.79 au |
| Perihelion – aphelion | 2.62 – 2.96 au |
| Eccentricity | 0.0597 |
| Inclination | 3.78° |
| Closest distance between its orbit and Earth's (MOID) | 1.64 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Margaret
- (8353) Megryan
- (8632) Egleston
- (10739) Lowman
- (22038) Margarshain
- (22725) Drabble
- (37159) Margaretmead
- (46270) Margaretlandis
- (49777) Cappi
- (50725) Margarethuggins
- (70030) Margaretmiller
- (117385) Maughan
- (119195) Margaretgreer
All asteroids named after someone called Margaret
Also discovered on 24 April 1992
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- (6050) Miwablock
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- (6748) Bratton
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- (7066) Nessus
- (7229) Tonimoore
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