(58600) Iwamuroonsen Main-belt Asteroid
Discovered on 5 October 1997 by T. Okuni at Nanyo.
Iwamuroonsen is a town of 10~000 people to the southwest of Niigata City. It is famous for its hot springs.Naming citation (20090409/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Iwamuroonsen is today
Seen from above the solar system on 2026-10-14: Iwamuroonsen is 2.16 au from the Sun and 2.95 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 58600 |
| Provisional designation | 1997 TC17 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.11 km (#16,913 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.302 |
| Absolute magnitude (H) | 15.71 |
| Orbital period | 3.32 years |
| Semi-major axis | 2.23 au |
| Perihelion – aphelion | 1.82 – 2.63 au |
| Eccentricity | 0.182 |
| Inclination | 1.82° |
| Closest distance between its orbit and Earth's (MOID) | 0.811 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 5 October 1997
- (9671) Hemera
- (9672) Rosenbergerezek
- (9991) Anezka
- (14980) Gustavbrom
- (29464) Leonmis
- (48794) Stolzova
- (52604) Thomayer
- (58595) Joepollock