(21472) Stimson Main-belt Asteroid
Discovered on 21 April 1998 by LINEAR at Socorro.
George Stimson mentored a finalist in the 2005 Intel Science Talent Search, a science competition for high school seniors. He teaches at the San Dieguito High School Academy, Encinitas, California.Naming citation (20050224/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Stimson is today
Seen from above the solar system on 2026-10-14: Stimson is 2.45 au from the Sun and 3.20 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21472 |
| Provisional designation | 1998 HU98 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.46 km (#16,341 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.292 |
| Absolute magnitude (H) | 14.88 |
| Orbital period | 3.66 years |
| Semi-major axis | 2.37 au |
| Perihelion – aphelion | 2.21 – 2.54 au |
| Eccentricity | 0.0688 |
| Inclination | 6.27° |
| Closest distance between its orbit and Earth's (MOID) | 1.22 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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