(20323) Tomlindstom Main-belt Asteroid
Discovered on 20 April 1998 by LINEAR at Socorro.
Tom Lindstom mentored a finalist in the 2004 Intel Science Talent Search, a science competition for high school seniors. He teaches at the Clovis West High School, Fresno, California.Naming citation (20040415/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Tomlindstom is today
Seen from above the solar system on 2026-10-14: Tomlindstom is 2.11 au from the Sun and 1.19 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20323 |
| Provisional designation | 1998 HC21 |
| Orbit class | Main-belt Asteroid |
| Rotation period | 5.59 hours |
| Absolute magnitude (H) | 14.87 |
| Orbital period | 3.34 years |
| Semi-major axis | 2.24 au |
| Perihelion – aphelion | 2.00 – 2.47 au |
| Eccentricity | 0.105 |
| Inclination | 4.51° |
| Closest distance between its orbit and Earth's (MOID) | 1.01 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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