(20306) Richarnold Main-belt Asteroid
Discovered on 31 March 1998 by LINEAR at Socorro.
Richard Arnold mentored a finalist in the 2004 Intel Science Talent Search, a science competition for high school seniors. He teaches at the Guilderland Central High School, Guilderland Center, New York.Naming citation (20040415/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Richarnold is today
Seen from above the solar system on 2026-10-14: Richarnold is 2.61 au from the Sun and 3.50 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20306 |
| Provisional designation | 1998 FC106 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.89 km (#15,468 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.278 |
| Absolute magnitude (H) | 14.96 |
| Orbital period | 4.11 years |
| Semi-major axis | 2.57 au |
| Perihelion – aphelion | 2.30 – 2.83 au |
| Eccentricity | 0.103 |
| Inclination | 4.64° |
| Closest distance between its orbit and Earth's (MOID) | 1.29 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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