(22871) Ellenoei Main-belt Asteroid
Discovered on 7 September 1999 by LINEAR at Socorro.
Ellen C. Oei mentored a finalist in the 2006 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition. She teaches at the Oei Home School, Hebron, Connecticut.Naming citation (20061009/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Ellenoei is today
Seen from above the solar system on 2026-10-14: Ellenoei is 2.27 au from the Sun and 3.13 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 22871 |
| Provisional designation | 1999 RX193 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.22 |
| Orbital period | 3.49 years |
| Semi-major axis | 2.30 au |
| Perihelion – aphelion | 1.85 – 2.75 au |
| Eccentricity | 0.195 |
| Inclination | 6.99° |
| Closest distance between its orbit and Earth's (MOID) | 0.842 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Ellen
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All asteroids named after someone called Ellen
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