(7264) Hirohatanaka Main-belt Asteroid
Discovered on 26 March 1995 by Shimizu, Y., Urata, T. at Nachi-Katsuura.
Hiroshi Hatanaka (b.1947) is an amateur astronomer who started his career as a planetarium operator at Nihondaira, Shizuoka, Japan. There he worked on orbit computations with the second discoverer.Naming citation (MPC batch dated 2013-04-25), IAU / Minor Planet Center, via NASA/JPL
Where Hirohatanaka is today
Seen from above the solar system on 2026-10-14: Hirohatanaka is 2.23 au from the Sun and 2.99 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 7264 |
| Provisional designation | 1995 FK |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.13 km (#14,898 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.286 |
| Rotation period | 97.8 hours |
| Absolute magnitude (H) | 14.76 |
| Orbital period | 3.54 years |
| Semi-major axis | 2.32 au |
| Perihelion – aphelion | 1.93 – 2.71 au |
| Eccentricity | 0.170 |
| Inclination | 1.29° |
| Closest distance between its orbit and Earth's (MOID) | 0.916 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Hiroshi
- (4965) Takeda
- (5379) Abehiroshi
- (5830) Simohiro
- (6244) Okamoto
- (7250) Kinoshita
- (7254) Kuratani
- (8197) Mizunohiroshi
- (8543) Tsunemi
- (8707) Arakihiroshi
- (8891) Irokawa
- (8923) Yamakawa
- (9226) Arimahiroshi
All asteroids named after someone called Hiroshi