(55875) Hirohatagaoka Main-belt Asteroid
Discovered on 1 November 1997 by A. Asami at Hadano.
Hirohatagaoka is a hill on which Hadano High School is located. Founded in 1926 and originally named Naka-chugaku, the school is one of the most traditional high schools in Kanagawa prefecture. The name was suggested by M. Yamaguchi, who, like the discoverer, graduated from the school.Naming citation (20031110/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Hirohatagaoka is today
Seen from above the solar system on 2026-10-14: Hirohatagaoka is 2.15 au from the Sun and 1.41 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 55875 |
| Provisional designation | 1997 VH |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.32 |
| Orbital period | 4.20 years |
| Semi-major axis | 2.60 au |
| Perihelion – aphelion | 2.05 – 3.15 au |
| Eccentricity | 0.212 |
| Inclination | 5.89° |
| Closest distance between its orbit and Earth's (MOID) | 1.06 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 1 November 1997
- (10400) Hakkaisan
- (14555) Shinohara
- (14998) Ogosemachi
- (15921) Kintaikyo
- (15922) Masajisaito
- (26984) Fernand-Roland
- (27984) Herminefranz
- (33059) Matsuoka
- (44013) Iidetenmondai
- (46737) Anpanman
- (192439) Cilek