(121018) Malvinabilleres Main-belt Asteroid
Discovered on 20 January 1999 by ODAS at Caussols.
Malvina Billères (b. 1972) is a French physicist. She obtained a Ph.D. in astrophysics from Toulouse and Montréal in 1999. She spent five years in Chile, first as an ESO fellow at the NTT/La Silla telescope and then as a fellow at Universidad de Chile. Returning to France in 2006, she is the manager of scientific research teams at CEA/Grenoble.Naming citation (WGSBN Bull. 6, #15, 12), IAU / Minor Planet Center, via NASA/JPL
Where Malvinabilleres is today
Seen from above the solar system on 2026-10-14: Malvinabilleres is 2.03 au from the Sun and 1.52 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 121018 |
| Provisional designation | 1999 BC6 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.73 km (#13,387 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0550 |
| Absolute magnitude (H) | 16.3 |
| Orbital period | 3.55 years |
| Semi-major axis | 2.33 au |
| Perihelion – aphelion | 1.94 – 2.72 au |
| Eccentricity | 0.168 |
| Inclination | 7.47° |
| Closest distance between its orbit and Earth's (MOID) | 0.958 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 20 January 1999
- (10424) Gaillard
- (10425) Landfermann
- (16007) Kaasalainen
- (28251) Gerbaldi
- (56095) Buniatishvili
- (59199) Jorisbossard
- (59211) Bernardfort
- (66197) Isabosc
- (66198) Micheltallon
- (66200) Gibis
- (79896) Billhaley
- (121019) Minodamato