(333207) Lilliannguyen Main-belt Asteroid
Discovered on 8 May 2005 by Mt. Lemmon Survey at Mount Lemmon.
Lillian Nguyen (b. 1968) is an American research software engineer. She evaluated and planned OSIRIS-Rex Laser Altimetry observations, that were successfully collected by the mission and allowed for safe sampling of Bennu.Naming citation (WGSBN Bull. 5, #13, 4), IAU / Minor Planet Center, via NASA/JPL
Where Lilliannguyen is today
Seen from above the solar system on 2026-10-14: Lilliannguyen is 2.11 au from the Sun and 2.95 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 333207 |
| Provisional designation | 2012 HA4 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 18.23 |
| Orbital period | 3.56 years |
| Semi-major axis | 2.33 au |
| Perihelion – aphelion | 1.97 – 2.69 au |
| Eccentricity | 0.154 |
| Inclination | 3.18° |
| Closest distance between its orbit and Earth's (MOID) | 0.979 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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