(10008) Raisanyo Main-belt Asteroid
Discovered on 18 February 1977 by Kosai, H., Hurukawa, K. at Kiso.
Rai Sanyo (1780-1832) was a Confucian scholar in the Edo period, born at Takehara, Hiroshima prefecture.Naming citation (20030106/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Raisanyo is today
Seen from above the solar system on 2026-10-14: Raisanyo is 2.81 au from the Sun and 3.31 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 10008 |
| Provisional designation | 1977 DT2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.51 km (#9,701 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.278 |
| Rotation period | 8.65 hours |
| Absolute magnitude (H) | 13.57 |
| Orbital period | 4.54 years |
| Semi-major axis | 2.74 au |
| Perihelion – aphelion | 2.65 – 2.83 au |
| Eccentricity | 0.0341 |
| Inclination | 1.45° |
| Closest distance between its orbit and Earth's (MOID) | 1.63 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 18 February 1977
- (2330) Ontake
- (2924) Mitake-mura
- (2960) Ohtaki
- (3249) Musashino
- (3391) Sinon
- (3607) Naniwa
- (4186) Tamashima
- (4812) Hakuhou
- (4963) Kanroku
- (5017) Tenchi
- (5082) Nihonsyoki
- (7104) Manyousyu