(100641) Cledassou Main-belt Asteroid
Discovered on 3 November 1997 by Giuliani, V., Manca, F. at Sormano.
Rodolphe Cledassou (1965–2023) was a French space engineer. He was Project Manager for the French Space Agency's Simbol-X, ATHENA/XIFU, ARIEL and EUCLID programs and Technical Director of the French Nuclear Physics Institute IN2P3.Naming citation (WGSBN Bull. 4, #2, 7), IAU / Minor Planet Center, via NASA/JPL
Where Cledassou is today
Seen from above the solar system on 2026-10-14: Cledassou is 2.23 au from the Sun and 1.71 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 100641 |
| Provisional designation | 1997 VO4 |
| Orbit class | Main-belt Asteroid |
| Rotation period | 12.6 hours |
| Absolute magnitude (H) | 15.79 |
| Orbital period | 4.21 years |
| Semi-major axis | 2.61 au |
| Perihelion – aphelion | 2.19 – 3.02 au |
| Eccentricity | 0.160 |
| Inclination | 29.9° |
| Closest distance between its orbit and Earth's (MOID) | 1.21 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.