(11324) Hayamizu Main-belt Asteroid

Discovered on 30 August 1995 by Endate, K., Watanabe, K. at Kitami.

Tsutomu Hayamizu (b. 1962), since 1997 associate director of the Sendai Space Hall and Observatory, Kagoshima prefecture, is engaged in observations of occultations by the moon and by minor planets.Naming citation (20020624/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Hayamizu is today

MercuryVenusEarthEarthMarsMarsHayamizuHayamizu

Seen from above the solar system on 2026-10-14: Hayamizu is 2.92 au from the Sun and 3.92 au from Earth. Computed from JPL's orbital elements.

Facts

Number11324
Provisional designation1995 QQ3
Orbit classMain-belt Asteroid
Diameter8.10 km (#6,474 largest of 17,440 named asteroids with a measured size)
Albedo0.0420
Absolute magnitude (H)14.53
Orbital period4.08 years
Semi-major axis2.55 au
Perihelion – aphelion2.17 – 2.94 au
Eccentricity0.152
Inclination5.66°
Closest distance between its orbit and Earth's (MOID)1.17 au

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

Also named after someone called Tsutomu

Also discovered on 30 August 1995

More named asteroids discovered by Endate, K., Watanabe, K.