(9228) Nakahiroshi Main-belt Asteroid
Discovered on 11 February 1996 by T. Kobayashi at Oizumi.
Japanese amateur astronomer Hiroshi Nakanishi (b. 1936) is a well-known grass-roots popularizer of astronomy in Kagawa prefecture.Naming citation (20100923/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Nakahiroshi is today
Seen from above the solar system on 2026-10-14: Nakahiroshi is 3.15 au from the Sun and 2.18 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 9228 |
| Provisional designation | 1996 CG1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 21.7 km (#2,003 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0440 |
| Rotation period | 130 hours |
| Absolute magnitude (H) | 12.32 |
| Orbital period | 5.41 years |
| Semi-major axis | 3.08 au |
| Perihelion – aphelion | 3.01 – 3.15 au |
| Eccentricity | 0.0226 |
| Inclination | 5.80° |
| Closest distance between its orbit and Earth's (MOID) | 2.00 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
- (7264) Hirohatanaka
- (8197) Mizunohiroshi
- (8543) Tsunemi
- (8707) Arakihiroshi
- (8891) Irokawa
- (8923) Yamakawa
All asteroids named after someone called Hiroshi
Also discovered on 11 February 1996
More named asteroids discovered by T. Kobayashi
- (4807) Noboru
- (5924) Teruo
- (6275) Kiryu
- (6276) Kurohone
- (6346) Syukumeguri
- (6414) Mizunuma
- (6418) Hanamigahara
- (6420) Riheijyaya
- (6422) Akagi
- (6423) Harunasan
- (6462) Myougi
- (6531) Subashiri
← (9227) Ashida · (9229) Matsuda →