(490628) Chassigny Main-belt Asteroid
Discovered on 24 January 2010 by J.-C. Merlin at Nogales.
Chassigny is a commune in the Haute-Marne department of eastern France, about 50 km south of Chaumont. It is well known for the fall of the Chassigny meteorite on 1815 October 3, a rare type of meteorite now proved to be from Mars.Naming citation (WGSBN Bull. 2, #4, 10), IAU / Minor Planet Center, via NASA/JPL
Where Chassigny is today
Seen from above the solar system on 2026-10-14: Chassigny is 2.22 au from the Sun and 2.74 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 490628 |
| Provisional designation | 2010 BW4 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 17.94 |
| Orbital period | 4.17 years |
| Semi-major axis | 2.59 au |
| Perihelion – aphelion | 2.20 – 2.98 au |
| Eccentricity | 0.150 |
| Inclination | 3.52° |
| Closest distance between its orbit and Earth's (MOID) | 1.22 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.