(9975) Takimotokoso Main-belt Asteroid
Discovered on 12 September 1993 by Endate, K., Watanabe, K. at Kitami.
Koso Takimoto (b. 1965) is a Japanese amateur astronomer who has served as associate president of the Hiroshima Astronomical Society since 1996. He plays an active part in the spread of astronomical activities among the citizens of Hiroshima.Naming citation (20030106/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Takimotokoso is today
Seen from above the solar system on 2026-10-14: Takimotokoso is 2.69 au from the Sun and 3.61 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 9975 |
| Provisional designation | 1993 RZ1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.76 km (#9,283 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0840 |
| Absolute magnitude (H) | 14.53 |
| Orbital period | 3.87 years |
| Semi-major axis | 2.46 au |
| Perihelion – aphelion | 2.11 – 2.81 au |
| Eccentricity | 0.142 |
| Inclination | 1.04° |
| Closest distance between its orbit and Earth's (MOID) | 1.10 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 12 September 1993
- (6978) Hironaka
- (6979) Shigefumi
- (7192) Cieletespace
- (8097) Yamanishi
- (14469) Komatsuataka
- (46608) Yoshinokeiji