(9323) Hirohisasato Main-belt Asteroid
Discovered on 11 February 1989 by T. Seki at Geisei.
Hirohisa Sato (b. 1951) studies the orbits and brightness of comets for the Comet Section of the Oriental Astronomical Association. He also has interests in archeology and history. The name was suggested by S. Harada.Naming citation (20010509/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Hirohisasato is today
Seen from above the solar system on 2026-10-14: Hirohisasato is 2.71 au from the Sun and 3.43 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 9323 |
| Provisional designation | 1989 CV1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.78 km (#7,909 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0480 |
| Rotation period | 269 hours |
| Absolute magnitude (H) | 14.93 |
| Orbital period | 3.65 years |
| Semi-major axis | 2.37 au |
| Perihelion – aphelion | 1.97 – 2.78 au |
| Eccentricity | 0.170 |
| Inclination | 5.50° |
| Closest distance between its orbit and Earth's (MOID) | 0.985 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Hirohisa
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