(108720) Kamikuroiwa Main-belt Asteroid
Discovered on 22 July 2001 by A. Nakamura at Kuma Kogen.
Kamikuroiwa Iwakage Iseki, located in the town of Kuma Kogen, is the oldest grotto in Japan, dating from about 15~000 years ago. Discovered in 1961, numerous relics, such as stoneware, earthenware, stone arrowheads and stone figurines, were found during five excavations between 1962 and 1970.Naming citation (20090607/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Kamikuroiwa is today
Seen from above the solar system on 2026-10-14: Kamikuroiwa is 2.70 au from the Sun and 3.28 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 108720 |
| Provisional designation | 2001 OT23 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.22 km (#10,201 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0540 |
| Absolute magnitude (H) | 15.43 |
| Orbital period | 4.56 years |
| Semi-major axis | 2.75 au |
| Perihelion – aphelion | 2.66 – 2.85 au |
| Eccentricity | 0.0346 |
| Inclination | 8.13° |
| Closest distance between its orbit and Earth's (MOID) | 1.68 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.