(31563) Bourdelledemicas Main-belt Asteroid
Discovered on 19 March 1999 by LONEOS at Anderson Mesa.
Jules Bourdelle de Micas (b. 1994) is a French postdoctoral researcher at the Observatoire de Paris (France). His studies include the compositional characterization of asteroids, primarily of old families and remnants of the original planetesimals, with ground and space-based telescopes.Naming citation (WGSBN Bull. 3, #9, 19), IAU / Minor Planet Center, via NASA/JPL
Where Bourdelledemicas is today
Seen from above the solar system on 2026-10-14: Bourdelledemicas is 2.61 au from the Sun and 2.50 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 31563 |
| Provisional designation | 1999 FW8 |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.08 km (#7,544 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0490 |
| Absolute magnitude (H) | 14.88 |
| Orbital period | 3.75 years |
| Semi-major axis | 2.42 au |
| Perihelion – aphelion | 2.13 – 2.70 au |
| Eccentricity | 0.118 |
| Inclination | 3.45° |
| Closest distance between its orbit and Earth's (MOID) | 1.14 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Jules
All asteroids named after someone called Jules
Also discovered on 19 March 1999
- (11203) Danielbetten
- (11206) Bibee
- (11409) Horkheimer
- (15499) Cloyd
- (15500) Anantpatel
- (17030) Sierks
- (17039) Yeuseyenka
- (17040) Almeida
- (17041) Castagna
- (17042) Madiraju
- (17043) Santucci
- (17044) Mubdirahman