(58185) Rokkosan Main-belt Asteroid
Discovered on 7 September 1991 by T. Seki at Geisei.
Rokkosan is a 1000-meter-high mountain behind the city of Kobe. The summit is the birthplace of Japanese golf and commands a panoramic view of Osaka Bay and the spectacular night-time scene of Kobe City.Naming citation (20090806/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Rokkosan is today
Seen from above the solar system on 2026-10-14: Rokkosan is 1.85 au from the Sun and 0.856 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 58185 |
| Provisional designation | 1991 RH1 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.73 |
| Orbital period | 3.49 years |
| Semi-major axis | 2.30 au |
| Perihelion – aphelion | 1.83 – 2.76 au |
| Eccentricity | 0.202 |
| Inclination | 5.16° |
| Closest distance between its orbit and Earth's (MOID) | 0.831 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 7 September 1991
- (6650) Morimoto
- (7703) Jimcooney
- (7824) Lynch
- (9186) Fumikotsukimoto
- (26837) Yoshitakaokazaki
- (43803) Wakakinosakura
- (48461) Sabrinamaricia
- (58184) Masayukiyamamoto