(10154) Tanuki Main-belt Asteroid
Discovered on 31 October 1994 by T. Kobayashi at Oizumi.
Lake Tanuki is an artificial pond to the east of Mt. Fuji. Amateur astronomers gather at its shores for observation as well as to enjoy the glorious sunrises from behind Mt. Fuji.Naming citation (20030501/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Tanuki is today
Seen from above the solar system on 2026-10-14: Tanuki is 2.38 au from the Sun and 3.37 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 10154 |
| Provisional designation | 1994 UH |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.06 km (#12,591 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.204 |
| Rotation period | 2.89 hours |
| Absolute magnitude (H) | 14.75 |
| Orbital period | 3.41 years |
| Semi-major axis | 2.27 au |
| Perihelion – aphelion | 2.02 – 2.51 au |
| Eccentricity | 0.109 |
| Inclination | 2.25° |
| Closest distance between its orbit and Earth's (MOID) | 1.04 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.