(5643) Roques Main-belt Asteroid
Discovered on 22 August 1990 by H. E. Holt at Palomar.
Where Roques is today
Seen from above the solar system on 2026-10-14: Roques is 2.32 au from the Sun and 1.39 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 5643 |
| Provisional designation | 1990 QC2 |
| Orbit class | Main-belt Asteroid |
| Rotation period | 7.49 hours |
| Absolute magnitude (H) | 14.55 |
| Orbital period | 3.24 years |
| Semi-major axis | 2.19 au |
| Perihelion – aphelion | 1.81 – 2.57 au |
| Eccentricity | 0.173 |
| Inclination | 5.01° |
| Closest distance between its orbit and Earth's (MOID) | 0.802 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 22 August 1990
- (5644) Maureenbell
- (6132) Danielson
- (6154) Stevesynnott
- (6715) Sheldonmarks
- (6904) McGill
- (7057) Al-Farabi
- (10083) Gordonanderson
- (10307) Carlschmidt
- (21041) Wangjinsong