(13818) Ullery Main-belt Asteroid
Discovered on 7 September 1999 by LINEAR at Socorro.
Elaine Ullery mentored a finalist in the 2002 Discovery Channel Youth Science Challenge (DCYSC), a middle school science competition. She teaches at the Pinedale Middle School, Pinedale, Wyoming.Naming citation (20021021/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Ullery is today
Seen from above the solar system on 2026-10-14: Ullery is 2.42 au from the Sun and 1.43 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 13818 |
| Provisional designation | 1999 RE92 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.69 km (#13,484 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.297 |
| Rotation period | 25.4 hours |
| Absolute magnitude (H) | 14.42 |
| Orbital period | 4.47 years |
| Semi-major axis | 2.71 au |
| Perihelion – aphelion | 2.36 – 3.07 au |
| Eccentricity | 0.130 |
| Inclination | 6.87° |
| Closest distance between its orbit and Earth's (MOID) | 1.35 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Elaine
- (6944) Elaineowens
- (19808) Elainemccall
- (20338) Elainepappas
- (27263) Elainezhou
- (30406) Middleman
- (31846) Elainegillum
All asteroids named after someone called Elaine
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