(6423) Harunasan Main-belt Asteroid

Discovered on 13 February 1994 by T. Kobayashi at Oizumi.

Another of the Three Jomo Mountains, Mt. Haruna, 1449 m above sea level, is located in the central part of Gunma prefecture. It includes the Haruna Fuji (1327 m) and many other peaks, as well as Lake Haruna.Naming citation (20030106/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Harunasan is today

MercuryVenusEarthEarthMarsMarsHarunasanHarunasan

Seen from above the solar system on 2026-10-14: Harunasan is 3.52 au from the Sun and 4.46 au from Earth. Computed from JPL's orbital elements.

Facts

Number6423
Provisional designation1994 CP2
Orbit classMain-belt Asteroid
Diameter11.1 km (#4,532 largest of 17,440 named asteroids with a measured size)
Albedo0.173
Absolute magnitude (H)12.63
Orbital period5.18 years
Semi-major axis2.99 au
Perihelion – aphelion2.40 – 3.59 au
Eccentricity0.198
Inclination11.1°
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 13 February 1994

More named asteroids discovered by T. Kobayashi