(6381) Toyama Main-belt Asteroid
Discovered on 21 February 1988 by Fujii, T., Watanabe, K. at Kitami.
Japanese amateur astronomer Miyuki Toyama (b. 1953) has been explaining the night sky in planetaria for many years. He is also famous as an illustrator of space.Naming citation (20090209/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Toyama is today
Seen from above the solar system on 2026-10-14: Toyama is 2.21 au from the Sun and 1.83 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 6381 |
| Provisional designation | 1988 DO1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.03 km (#10,560 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.340 |
| Rotation period | 27.0 hours |
| Absolute magnitude (H) | 13.68 |
| Orbital period | 3.39 years |
| Semi-major axis | 2.26 au |
| Perihelion – aphelion | 2.01 – 2.51 au |
| Eccentricity | 0.112 |
| Inclination | 6.09° |
| Closest distance between its orbit and Earth's (MOID) | 1.00 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Miyuki
All asteroids named after someone called Miyuki