(54862) Sundaigakuen Main-belt Asteroid
Discovered on 23 July 2001 by H. Maeno at Shishikui.
Sundaigakuen, a high school in Tokyo, is the alma mater of the discoverer. Since 1965 the school has regularly held lectures promoting astronomy to the public. This discovery was successfully conducted under the sponsorship of the Japan Space Guard Association.Naming citation (20080618/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Sundaigakuen is today
Seen from above the solar system on 2026-10-14: Sundaigakuen is 2.86 au from the Sun and 3.84 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 54862 |
| Provisional designation | 2001 OW25 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.82 km (#15,617 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.168 |
| Absolute magnitude (H) | 15.35 |
| Orbital period | 3.84 years |
| Semi-major axis | 2.45 au |
| Perihelion – aphelion | 1.99 – 2.91 au |
| Eccentricity | 0.189 |
| Inclination | 4.95° |
| Closest distance between its orbit and Earth's (MOID) | 0.994 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.