(10487) Danpeterson Main-belt Asteroid
Discovered on 14 April 1985 by Shoemaker, C. S., Shoemaker, E. M. at Palomar.
Dan Peterson (b. 1949) is a juvenile probation director who works with troubled youth to keep them in school and help them find direction in their lives. He served previously as a smoke jumper in Alaska and is a piano player extraordinaire.Naming citation (20020624/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Danpeterson is today
Seen from above the solar system on 2026-10-14: Danpeterson is 2.65 au from the Sun and 3.30 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 10487 |
| Provisional designation | 1985 GP1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.67 km (#9,452 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.498 |
| Rotation period | 16.9 hours |
| Absolute magnitude (H) | 12.72 |
| Orbital period | 3.52 years |
| Semi-major axis | 2.31 au |
| Perihelion – aphelion | 1.92 – 2.71 au |
| Eccentricity | 0.169 |
| Inclination | 24.9° |
| Closest distance between its orbit and Earth's (MOID) | 0.920 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Dan
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- (11033) Mazanek
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All asteroids named after someone called Dan