(23180) Ryosuke Main-belt Asteroid
Discovered on 28 May 2000 by LONEOS at Anderson Mesa.
Ryosuke Nakamura (b. 1968), of the National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan, is a remote-sensing specialist who works on Earth-observing and planetary missions. He analyzed the surface geology of asteroid Itokawa.Naming citation (20120506/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Ryosuke is today
Seen from above the solar system on 2026-10-14: Ryosuke is 2.54 au from the Sun and 2.91 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 23180 |
| Provisional designation | 2000 KH57 |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.57 km (#7,038 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0720 |
| Rotation period | 7.03 hours |
| Absolute magnitude (H) | 14.52 |
| Orbital period | 3.51 years |
| Semi-major axis | 2.31 au |
| Perihelion – aphelion | 2.07 – 2.55 au |
| Eccentricity | 0.103 |
| Inclination | 10.3° |
| Closest distance between its orbit and Earth's (MOID) | 1.08 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 28 May 2000
- (18092) Reinhold
- (23178) Ghaben
- (23179) Niedermeyer
- (25870) Panchovigil
- (28874) Michaelchen
- (30386) Philipjeffery
- (30388) Nicolejustice
- (30389) Ledoux
- (30396) Annleonard
- (32086) Viviannetu
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