(188506) Roulet Main-belt Asteroid
Discovered on 5 September 2004 by M. Ory at Vicques.
Didier Roulet (b. 1948) is a retired physics professor in the Collège de Candolle in Geneva (Switzerland). He was a member of the Commission Romande de Physique for twenty years.Naming citation (WGSBN Bull. 4, #1, 8), IAU / Minor Planet Center, via NASA/JPL
Where Roulet is today
Seen from above the solar system on 2026-10-14: Roulet is 3.17 au from the Sun and 3.49 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 188506 |
| Provisional designation | 2004 RR1 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.46 |
| Orbital period | 5.06 years |
| Semi-major axis | 2.95 au |
| Perihelion – aphelion | 2.73 – 3.17 au |
| Eccentricity | 0.0745 |
| Inclination | 7.48° |
| Closest distance between its orbit and Earth's (MOID) | 1.73 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Didier
- (20896) Tiphene
- (21156) Didierlockwood
- (129234) Silly
- (145559) Didiermuller
- (177415) Queloz
- (275215) Didiermarouani
- (278225) Didierpelat
All asteroids named after someone called Didier