(20510) Marjoriegalinier Main-belt Asteroid
Discovered on 7 September 1999 by LINEAR at Socorro.
Marjorie Galinier (b. 1997) is a French scientist who contributed to the ESA Gaia mission, improving spectroscopic characterization of asteroids and advancing our knowledge of their composition.Naming citation (WGSBN Bull. 6, #11, 25), IAU / Minor Planet Center, via NASA/JPL
Where Marjoriegalinier is today
Seen from above the solar system on 2026-10-14: Marjoriegalinier is 3.31 au from the Sun and 2.32 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20510 |
| Provisional designation | 1999 RQ26 |
| Orbit class | Main-belt Asteroid |
| Diameter | 11.2 km (#4,445 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0610 |
| Absolute magnitude (H) | 13.82 |
| Orbital period | 5.37 years |
| Semi-major axis | 3.06 au |
| Perihelion – aphelion | 2.77 – 3.36 au |
| Eccentricity | 0.0957 |
| Inclination | 9.35° |
| 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 Marjorie
All asteroids named after someone called Marjorie
Also discovered on 7 September 1999
- (12126) Chersidamas
- (12577) Samra
- (12578) Bensaur
- (12585) Katschwarz
- (12586) Juliaspeyer
- (12588) Arseneau
- (12604) Lisatate
- (12924) Madisonicole
- (13818) Ullery
- (14214) Hirsch
- (15503) Estradioto
- (16067) Brandonfan