(12801) Somekawa Main-belt Asteroid
Discovered on 2 December 1995 by T. Kobayashi at Oizumi.
Somekawa Shuichi (1962-1997) was a Japanese amateur astronomer and optical engineer. The name was suggested by M. Namiki.Naming citation (20001111/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Somekawa is today
Seen from above the solar system on 2026-10-14: Somekawa is 2.17 au from the Sun and 1.63 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12801 |
| Provisional designation | 1995 XD |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.70 km (#15,859 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.556 |
| Absolute magnitude (H) | 14.47 |
| Orbital period | 3.88 years |
| Semi-major axis | 2.47 au |
| Perihelion – aphelion | 2.17 – 2.77 au |
| Eccentricity | 0.122 |
| Inclination | 7.34° |
| Closest distance between its orbit and Earth's (MOID) | 1.18 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.