(23638) Nagano Main-belt Asteroid
Discovered on 6 January 1997 by N. Sato at Chichibu.
Nagano Prefecture lies in the center of Honshu Island, Japan. It shares borders with eight prefectures, the most in Japan. In 1998 the 18th Winter Olympic Games were held there.Naming citation (20110517/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Nagano is today
Seen from above the solar system on 2026-10-14: Nagano is 2.41 au from the Sun and 3.22 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 23638 |
| Provisional designation | 1997 AV6 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.87 |
| Orbital period | 3.59 years |
| Semi-major axis | 2.34 au |
| Perihelion – aphelion | 2.17 – 2.52 au |
| Eccentricity | 0.0748 |
| Inclination | 5.54° |
| Closest distance between its orbit and Earth's (MOID) | 1.18 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 6 January 1997
- (7618) Gotoyukichi
- (8930) Kubota
- (8931) Hirokimatsuo
- (8932) Nagatomo
- (8933) Kurobe
- (9107) Narukospa
- (17681) Tweedledum
- (18553) Kinkakuji