(9580) Tarumi Main-belt Asteroid
Discovered on 4 October 1989 by Nomura, T., Kawanishi, K. at Minami-Oda.
Named for the ward in Kobe City where the first discoverer was born and lives. Tarumi is depicted in eighth-century Japanese poems, and it is also an obsolete word for waterfall. The world's longest suspension bridge, connecting Tarumi with the Awaji Island, was completed in 1998.Naming citation (19990728/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Tarumi is today
Seen from above the solar system on 2026-10-14: Tarumi is 3.02 au from the Sun and 4.02 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 9580 |
| Provisional designation | 1989 TB11 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.79 km (#9,232 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.246 |
| Rotation period | 9.05 hours |
| Absolute magnitude (H) | 13.47 |
| Orbital period | 4.35 years |
| Semi-major axis | 2.67 au |
| Perihelion – aphelion | 2.31 – 3.02 au |
| Eccentricity | 0.134 |
| Inclination | 4.01° |
| Closest distance between its orbit and Earth's (MOID) | 1.31 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Kobe
All asteroids named after someone called Kobe
Also discovered on 4 October 1989
- (6241) Galante
- (6778) Tosamakoto
- (7239) Mobberley
- (8490) Akiehashimoto
- (9173) Viola Castello
- (10514) Harlow
- (69273) Derbyastro