(9060) Toyokawa Main-belt Asteroid

Discovered on 4 September 1992 by S. Otomo at Kiyosato.

Hideji Toyokawa (1926-1995) is a curator of the Gotoh Planetarium and Astronomical Museum in Tokyo, where he worked for 29 years since 1957. He maintained planetarium equipment and exhibition facilities. The name was suggested by O. Muramatsu.Naming citation (20010109/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Toyokawa is today

MercuryVenusEarthEarthMarsMarsToyokawaToyokawa

Seen from above the solar system on 2026-10-14: Toyokawa is 2.60 au from the Sun and 3.43 au from Earth. Computed from JPL's orbital elements.

Facts

Number9060
Provisional designation1992 RM
Orbit classMain-belt Asteroid
Diameter3.56 km (#13,793 largest of 17,440 named asteroids with a measured size)
Albedo0.319
Rotation period3.68 hours
Absolute magnitude (H)14.47
Orbital period3.27 years
Semi-major axis2.20 au
Perihelion – aphelion1.77 – 2.63 au
Eccentricity0.194
Inclination2.53°
Closest distance between its orbit and Earth's (MOID)0.770 au

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

Also named after someone called Hideji

Also discovered on 4 September 1992

More named asteroids discovered by S. Otomo