(130314) Williamodonnell Main-belt Asteroid
Discovered on 11 March 2000 by CSS at Catalina.
William O'Donnel (b. 1952) is a Mechanical Engineer on the Thermal Emission Spectrometer Instrument on the OSIRIS-REx Asteroid Sample Return Mission.Naming citation (MPC batch dated 2016-11-14), IAU / Minor Planet Center, via NASA/JPL
Where Williamodonnell is today
Seen from above the solar system on 2026-10-14: Williamodonnell is 2.96 au from the Sun and 2.53 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 130314 |
| Provisional designation | 2000 EU121 |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.04 km (#7,600 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0520 |
| Absolute magnitude (H) | 14.54 |
| Orbital period | 5.50 years |
| Semi-major axis | 3.12 au |
| Perihelion – aphelion | 2.79 – 3.45 au |
| Eccentricity | 0.105 |
| Inclination | 12.5° |
| Closest distance between its orbit and Earth's (MOID) | 1.83 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called William
- (1853) McElroy
- (2220) Hicks
- (3445) Pinson
- (3894) Williamcooke
- (4137) Crabtree
- (4423) Golden
- (4838) Billmclaughlin
- (5345) Boynton
- (5763) Williamtobin
- (6012) Williammurdoch
- (6613) Williamcarl
- (6756) Williamfeldman
All asteroids named after someone called William
Also discovered on 11 March 2000
- (15146) Halpov
- (15147) Siegfried
- (16231) Jessberger
- (17241) Wooden
- (17242) Leslieyoung
- (25851) Browning
- (26587) Arthurstorbo
- (26588) Sharonstorbo
- (27399) Gehring
- (27400) Mikewong
- (27407) Haodo
- (27408) Kellyferguson