(21250) Kamikouchi Main-belt Asteroid

Discovered on 17 December 1995 by N. Sato at Chichibu.

Kamikouchi is a Japanese scenic point nominated as a “Special Natural Treasure” in 1952. Kamikouchi was introduced to the world in Mountaineering and Exploration in the Japanese Alps, published in London in 1896 and written by Walter Weston (1861-1940), a British clergyman and a mountaineer.Naming citation (20050523/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Kamikouchi is today

MercuryVenusEarthEarthMarsMarsKamikouchiKamikouchi

Seen from above the solar system on 2026-10-14: Kamikouchi is 2.43 au from the Sun and 1.67 au from Earth. Computed from JPL's orbital elements.

Facts

Number21250
Provisional designation1995 YQ2
Orbit classMain-belt Asteroid
Diameter2.85 km (#15,552 largest of 17,440 named asteroids with a measured size)
Albedo0.344
Absolute magnitude (H)14.78
Orbital period4.51 years
Semi-major axis2.73 au
Perihelion – aphelion2.39 – 3.07 au
Eccentricity0.124
Inclination12.4°
Closest distance between its orbit and Earth's (MOID)1.41 au

Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.

Also discovered on 17 December 1995

More named asteroids discovered by N. Sato