(9445) Charpentier Main-belt Asteroid
Discovered on 8 May 1997 by P. G. Comba at Prescott.
Named for the French musician Marc-Antoine Charpentier (1643-1704), composer of operas and church music, best known for his voluminous and inventive choral music that combines Italian influences and French refinement.Naming citation (19990202/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Charpentier is today
Seen from above the solar system on 2026-10-14: Charpentier is 2.37 au from the Sun and 2.42 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 9445 |
| Provisional designation | 1997 JA8 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.66 km (#15,939 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.207 |
| Absolute magnitude (H) | 15.45 |
| Orbital period | 3.58 years |
| Semi-major axis | 2.34 au |
| Perihelion – aphelion | 2.03 – 2.65 au |
| Eccentricity | 0.134 |
| Inclination | 2.08° |
| Closest distance between its orbit and Earth's (MOID) | 1.03 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Antoine
All asteroids named after someone called Antoine