(8492) Kikuoka Main-belt Asteroid

Discovered on 21 January 1990 by T. Seki at Geisei.

Hidekazu Kikuoka (b. 1941) has been a planetarium educator at the Osaka Municipal Electric Science Museum and at the Science Museum of Osaka. He founded the Japan Astronomical Club in 1955 and served as its president during 1965-1985. The name was suggested by T. Sato and K. Kitao.Naming citation (20000124/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Kikuoka is today

MercuryVenusEarthEarthMarsMarsKikuokaKikuoka

Seen from above the solar system on 2026-10-14: Kikuoka is 2.56 au from the Sun and 3.38 au from Earth. Computed from JPL's orbital elements.

Facts

Number8492
Provisional designation1990 BZ
Orbit classMain-belt Asteroid
Diameter4.71 km (#11,205 largest of 17,440 named asteroids with a measured size)
Albedo0.381
Rotation period10.7 hours
Absolute magnitude (H)13.72
Orbital period4.04 years
Semi-major axis2.54 au
Perihelion – aphelion2.32 – 2.75 au
Eccentricity0.0838
Inclination14.4°
Closest distance between its orbit and Earth's (MOID)1.38 au

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

Also named after someone called Hidekazu

Also discovered on 21 January 1990

More named asteroids discovered by T. Seki