(6986) Asamayama Main-belt Asteroid
Discovered on 24 November 1994 by T. Kobayashi at Oizumi.
Mt. Asamayama is a triplex stratovolcano at the border of Gunma and Nagano prefectures, with an altitude of 2565 m above sea level. It has a 350-m-diameter crater called “Okama”, where smoke still rises. It is known as one of the most active volcanoes in Japan.Naming citation (20030106/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Asamayama is today
Seen from above the solar system on 2026-10-14: Asamayama is 2.92 au from the Sun and 3.92 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 6986 |
| Provisional designation | 1994 WE |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.54 km (#9,660 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.191 |
| Absolute magnitude (H) | 13.84 |
| Orbital period | 5.01 years |
| Semi-major axis | 2.93 au |
| Perihelion – aphelion | 2.74 – 3.11 au |
| Eccentricity | 0.0630 |
| Inclination | 2.33° |
| Closest distance between its orbit and Earth's (MOID) | 1.76 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.