(20794) Ryanolson Main-belt Asteroid
Discovered on 27 September 2000 by LINEAR at Socorro.
Ryan Olson (b. 1986) was awarded second place in the 2004 Intel International Science and Engineering Fair for his engineering project. He attends the Giles High School, Pearisburg, Virginia, U.S.A.Naming citation (20041226/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Ryanolson is today
Seen from above the solar system on 2026-10-14: Ryanolson is 2.65 au from the Sun and 3.56 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20794 |
| Provisional designation | 2000 SD161 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.16 km (#16,825 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.344 |
| Rotation period | 2.65 hours |
| Absolute magnitude (H) | 15.39 |
| Orbital period | 3.48 years |
| Semi-major axis | 2.30 au |
| Perihelion – aphelion | 1.91 – 2.68 au |
| Eccentricity | 0.167 |
| Inclination | 5.10° |
| Closest distance between its orbit and Earth's (MOID) | 0.926 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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