(333134) Alexandrahilbert Main-belt Asteroid
Discovered on 18 December 2004 by Mt. Lemmon Survey at Mount Lemmon.
Alexandra Hilbert (b. 1991) is an American systems engineer. She was a Mission Operations Systems Engineer on the OSIRIS-REx mission from 2017 through 2019. During this time, Alexandra supported Science Phase operations development and led a variety of flight activities. She has also worked on the Juno, Lucy, and Human Landing System programs.Naming citation (WGSBN Bull. 5, #11, 14), IAU / Minor Planet Center, via NASA/JPL
Where Alexandrahilbert is today
Seen from above the solar system on 2026-10-14: Alexandrahilbert is 2.19 au from the Sun and 2.25 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 333134 |
| Provisional designation | 2011 WY123 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 17.71 |
| Orbital period | 3.64 years |
| Semi-major axis | 2.37 au |
| Perihelion – aphelion | 2.17 – 2.56 au |
| Eccentricity | 0.0834 |
| Inclination | 5.04° |
| Closest distance between its orbit and Earth's (MOID) | 1.19 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Alexandra
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- (14950) Alexandradelbo
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- (23162) Alexcrook
- (23178) Ghaben
- (31627) Ulmera
- (34079) Samoylova
- (127955) Alexandraradu
- (404016) Alexandralabenz
All asteroids named after someone called Alexandra
Also discovered on 18 December 2004
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- (117385) Maughan
- (117386) Thomasschlapkohl
- (117387) Javiercerna
- (117388) Jamiemoore