(12183) Caltonen Outer Main-belt Asteroid
Discovered on 30 September 1975 by S. J. Bus at Palomar.
Craig Steven Altonen (b. 1965) contributed to NASA's Lucy mission as the Chief Engineer for the Lucy Spacecraft.Naming citation (WGSBN Bull. 1, #9, 9), IAU / Minor Planet Center, via NASA/JPL
Where Caltonen is today
Seen from above the solar system on 2026-10-14: Caltonen is 3.42 au from the Sun and 3.15 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12183 |
| Provisional designation | 1975 SU1 |
| Orbit class | Outer Main-belt Asteroid |
| Diameter | 10.8 km (#4,685 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0800 |
| Rotation period | 3.56 hours |
| Absolute magnitude (H) | 13.42 |
| Orbital period | 5.76 years |
| Semi-major axis | 3.21 au |
| Perihelion – aphelion | 2.77 – 3.66 au |
| Eccentricity | 0.139 |
| Inclination | 1.52° |
| Closest distance between its orbit and Earth's (MOID) | 1.77 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Craig
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- (23042) Craigpeters
- (32090) Craigworley
- (74439) Brenden
- (111818) Deforest
- (126901) Craigstevens
- (185744) Hogan
All asteroids named after someone called Craig
Also discovered on 30 September 1975
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- (4517) Ralpharvey
- (5497) Sararussell
- (6216) San Jose
- (7807) Grier
- (7909) Ziffer
- (8129) Michaelbusch
- (8242) Joshemery
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- (9715) Paolotanga
- (11440) Massironi
- (12184) Trevormerkley