(6991) Chichibu Main-belt Asteroid
Discovered on 6 January 1995 by T. Kobayashi at Oizumi.
Chichibu is the name of the western part of the Saitama prefecture.Naming citation (20030106/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Chichibu is today
Seen from above the solar system on 2026-10-14: Chichibu is 2.29 au from the Sun and 2.77 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 6991 |
| Provisional designation | 1995 AX |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.46 km (#11,708 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.808 |
| Rotation period | 9.49 hours |
| Absolute magnitude (H) | 12.93 |
| Orbital period | 3.72 years |
| Semi-major axis | 2.40 au |
| Perihelion – aphelion | 1.91 – 2.89 au |
| Eccentricity | 0.204 |
| Inclination | 5.76° |
| Closest distance between its orbit and Earth's (MOID) | 0.913 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 6 January 1995
- (6346) Syukumeguri
- (7353) Kazuya
- (8045) Kamiyama
- (14495) Kazuakiwatanabe
- (29337) Hakurojo
- (52455) Masamika