(9424) Hiroshinishiyama Main-belt Asteroid
Discovered on 16 January 1996 by T. Kobayashi at Oizumi.
Hiroshi Nishiyama (b. 1956) is an amateur astronomer who observers of variable stars and undertakes astronomical outreach via stargazing parties. He authored Castles in Ibaraki Prefecture after examining local history with friends.Naming citation (WGSBN Bull. 3, #13, 12), IAU / Minor Planet Center, via NASA/JPL
Where Hiroshinishiyama is today
Seen from above the solar system on 2026-10-14: Hiroshinishiyama is 2.79 au from the Sun and 3.73 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 9424 |
| Provisional designation | 1996 BN |
| Orbit class | Main-belt Asteroid |
| Rotation period | 3.48 hours |
| Absolute magnitude (H) | 14.64 |
| Orbital period | 3.70 years |
| Semi-major axis | 2.39 au |
| Perihelion – aphelion | 1.98 – 2.81 au |
| Eccentricity | 0.174 |
| Inclination | 2.45° |
| Closest distance between its orbit and Earth's (MOID) | 0.988 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 16 January 1996
- (7359) Messier
- (7498) Blanik
- (7796) Jaracimrman
- (7846) Setvak
- (9793) Torvalds
- (14948) Bartuska
- (15853) Benedettafoglia
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
← (9423) Abt · (9425) Marconcini →