(20120) Ryugatake Main-belt Asteroid
Discovered on 24 November 1995 by T. Kobayashi at Oizumi.
Ryugatake is a town in Kumamoto, on the east coast of the beautiful Amakusa-Kamishima Island. It is also the name of the mountain where Myu-i public observatory is located.Naming citation (20020427/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Ryugatake is today
Seen from above the solar system on 2026-10-14: Ryugatake is 2.98 au from the Sun and 3.60 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20120 |
| Provisional designation | 1995 WB5 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.83 km (#10,957 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.209 |
| Absolute magnitude (H) | 14.28 |
| Orbital period | 4.28 years |
| Semi-major axis | 2.63 au |
| Perihelion – aphelion | 2.23 – 3.04 au |
| Eccentricity | 0.154 |
| Inclination | 12.8° |
| Closest distance between its orbit and Earth's (MOID) | 1.27 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.