(18627) Rogerbonnet Main-belt Asteroid
Discovered on 27 February 1998 by Tombelli, M., Casacci, C. at Cima Ekar.
Roger-Maurice Bonnet (b. 1937) is a French experimental astrophysicist specializing in stellar physics. From 1983 to 2001 he was Science Director of ESA and he created Horizon 2000. Under his lead, ESA launched the scientific projects, Giotto, Hipparcos, ISO, XMM, SOHO, Cluster, Cassini-Huygens and HST.Naming citation (MPC batch dated 2017-03-12), IAU / Minor Planet Center, via NASA/JPL
Where Rogerbonnet is today
Seen from above the solar system on 2026-10-14: Rogerbonnet is 2.38 au from the Sun and 2.27 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 18627 |
| Provisional designation | 1998 DH33 |
| Orbit class | Main-belt Asteroid |
| Rotation period | 4.46 hours |
| Absolute magnitude (H) | 13.97 |
| Orbital period | 3.64 years |
| Semi-major axis | 2.37 au |
| Perihelion – aphelion | 2.20 – 2.54 au |
| Eccentricity | 0.0730 |
| Inclination | 9.33° |
| Closest distance between its orbit and Earth's (MOID) | 1.21 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Maurice
All asteroids named after someone called Maurice
Also discovered on 27 February 1998
- (9452) Rogerpeeters
- (10934) Pauldelvaux
- (11166) Anatolefrance
- (15006) Samcristoforetti
- (15417) Babylon
- (15418) Sergiospinelli
- (15968) Waltercugno
- (16900) Lozere
- (16909) Miladejager
- (18623) Pises
- (18624) Prevert
- (18626) Michaelcarr