(21469) Robschum Main-belt Asteroid
Discovered on 21 April 1998 by LINEAR at Socorro.
Robert Schumacher mentored a finalist in the 2005 Intel Science Talent Search, a science competition for high school seniors. He teaches at the Pierson High School, Sag Harbor, New York.Naming citation (20050224/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Robschum is today
Seen from above the solar system on 2026-10-14: Robschum is 2.26 au from the Sun and 3.00 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21469 |
| Provisional designation | 1998 HO97 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.91 |
| Orbital period | 3.63 years |
| Semi-major axis | 2.36 au |
| Perihelion – aphelion | 1.98 – 2.75 au |
| Eccentricity | 0.164 |
| Inclination | 2.32° |
| Closest distance between its orbit and Earth's (MOID) | 0.965 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Robert
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