(7291) Hyakutake Main-belt Asteroid

Discovered on 13 December 1991 by S. Otomo at Kiyosato.

Yuji Hyakutake (b. 1950) discovered comets C/1995 Y1 and C/1996 B2 visually from the town of Aira, in Kagoshima prefecture. He later became a curator at the astronomical museum in Aira. The name was suggested by H. Hayasi.Naming citation (20000523/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Hyakutake is today

MercuryVenusEarthEarthMarsMarsHyakutakeHyakutake

Seen from above the solar system on 2026-10-14: Hyakutake is 3.71 au from the Sun and 4.64 au from Earth. Computed from JPL's orbital elements.

Facts

Number7291
Provisional designation1991 XC1
Orbit classMain-belt Asteroid
Diameter15.9 km (#2,910 largest of 17,440 named asteroids with a measured size)
Albedo0.121
Rotation period199 hours
Absolute magnitude (H)12.15
Orbital period5.51 years
Semi-major axis3.12 au
Perihelion – aphelion2.39 – 3.85 au
Eccentricity0.235
Inclination8.41°
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 named after someone called Yuji

Also discovered on 13 December 1991

More named asteroids discovered by S. Otomo