(21302) Shirakamisanchi Main-belt Asteroid
Discovered on 1 December 1996 by N. Sato at Chichibu.
Shirakamisanchi is a mountain district spreading over Aomori Prefecture and Akita Prefecture, Japan. It is famous for a primeval forest of beech trees and was registered as a World Nature Heritage site in 1993.Naming citation (20110715/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Shirakamisanchi is today
Seen from above the solar system on 2026-10-14: Shirakamisanchi is 2.40 au from the Sun and 3.40 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21302 |
| Provisional designation | 1996 XU |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.26 km (#16,677 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.315 |
| Rotation period | 3.88 hours |
| Absolute magnitude (H) | 15.35 |
| Orbital period | 3.54 years |
| Semi-major axis | 2.32 au |
| Perihelion – aphelion | 2.07 – 2.57 au |
| Eccentricity | 0.107 |
| Inclination | 4.22° |
| Closest distance between its orbit and Earth's (MOID) | 1.06 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 1 December 1996
More named asteroids discovered by N. Sato
- (7851) Azumino
- (8581) Johnen
- (8924) Iruma
- (8933) Kurobe
- (9230) Yasuda
- (10224) Hisashi
- (10880) Kaguya
- (10916) Okina-Ouna
- (12027) Masaakitanaka
- (12031) Kobaton
- (12456) Genichiaraki
- (12460) Mando
← (21301) Zanin · (21306) Marani →