(26123) Hiroshiyoshida Main-belt Asteroid
Discovered on 29 July 1992 by T. Seki at Geisei.
Hiroshi Yoshida (b. 1968) is an amateur astronomer and has been involved in the networking of people running stargazing parties in eastern Japan. He also promotes exchange of information, reporting on research activity, and get-togethers for amateur astronomers involved in outreach activity.Naming citation (WGSBN Bull. 1, #1, 14), IAU / Minor Planet Center, via NASA/JPL
Where Hiroshiyoshida is today
Seen from above the solar system on 2026-10-14: Hiroshiyoshida is 3.68 au from the Sun and 4.47 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 26123 |
| Provisional designation | 1992 OK |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.84 km (#9,155 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0850 |
| Absolute magnitude (H) | 14.61 |
| Orbital period | 4.58 years |
| Semi-major axis | 2.76 au |
| Perihelion – aphelion | 1.78 – 3.74 au |
| Eccentricity | 0.355 |
| Inclination | 7.45° |
| Closest distance between its orbit and Earth's (MOID) | 0.790 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