(20733) Sophiejacquinod Main-belt Asteroid
Discovered on 10 December 1999 by LINEAR at Socorro.
Sophie Jacquinod (b. 1981) is a French research engineer at the Paris Observatory, specializing in scientific computing and data processing pipelines. Her core expertise is orbitography, reconstructing the precise geometric context for planetary science data. She supports the analysis of small-body observations for missions, including Rosetta and MMX.Naming citation (WGSBN Bull. 6, #11, 34), IAU / Minor Planet Center, via NASA/JPL
Where Sophiejacquinod is today
Seen from above the solar system on 2026-10-14: Sophiejacquinod is 3.53 au from the Sun and 2.65 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20733 |
| Provisional designation | 1999 XE168 |
| Orbit class | Main-belt Asteroid |
| Rotation period | 3.87 hours |
| Absolute magnitude (H) | 12.71 |
| Orbital period | 5.66 years |
| Semi-major axis | 3.18 au |
| Perihelion – aphelion | 2.78 – 3.58 au |
| Eccentricity | 0.126 |
| Inclination | 13.6° |
| Closest distance between its orbit and Earth's (MOID) | 1.78 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Sophie
All asteroids named after someone called Sophie
Also discovered on 10 December 1999
- (14684) Reyes
- (16147) Jeanli
- (17192) Loharu
- (18880) Toddblumberg
- (20732) Snedeker
- (20734) Sriramsaran
- (20735) Stetzler
- (20736) Sultana
- (23102) Dayanli
- (24274) Alliswheeler
- (24277) Schoch
- (24278) Davidgreen