(4645) Tentaikojo Main-belt Asteroid
Discovered on 16 September 1990 by Fujii, T., Watanabe, K. at Kitami.
Where Tentaikojo is today
Seen from above the solar system on 2026-10-14: Tentaikojo is 2.31 au from the Sun and 2.44 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4645 |
| Provisional designation | 1990 SP4 |
| Orbit class | Main-belt Asteroid |
| Diameter | 17.2 km (#2,624 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0550 |
| Absolute magnitude (H) | 12.99 |
| Orbital period | 4.36 years |
| Semi-major axis | 2.67 au |
| Perihelion – aphelion | 2.31 – 3.03 au |
| Eccentricity | 0.136 |
| Inclination | 9.47° |
| Closest distance between its orbit and Earth's (MOID) | 1.34 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 16 September 1990
- (4644) Oumu
- (4676) Uedaseiji
- (4975) Dohmoto
- (5235) Jean-Loup
- (5965) Meisel
- (7058) Al-Tusi
- (7060) Al-`Ijliya
- (10086) McCurdy
- (21044) Rummel
- (24695) Styrsky
More named asteroids discovered by Fujii, T., Watanabe, K.
- (4676) Uedaseiji
- (4714) Toyohiro
- (4718) Araki
- (4743) Kikuchi
- (4750) Mukai
- (4971) Hoshinohiroba
- (4975) Dohmoto
- (5180) Ohno
- (5192) Yabuki
- (5357) Sekiguchi
- (5474) Gingasen
- (6246) Komurotoru
← (4644) Oumu · (4646) Kwee →