(8403) Minorushimizu Main-belt Asteroid
Discovered on 6 May 1994 by T. Kobayashi at Oizumi.
Minoru Shimizu (b. 1928) worked at the Tokyo Astronomical Observatory for 40 years, first with the solar-tower telescope at Mitaka (participating in several eclipse expeditions) and later as chief of the technical staff at Okayama. He also worked at Kiso, as well as at public observatories like Bisei, Rikubetsu and Gunma.Naming citation (20041126/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Minorushimizu is today
Seen from above the solar system on 2026-10-14: Minorushimizu is 2.73 au from the Sun and 2.28 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 8403 |
| Provisional designation | 1994 JG |
| Orbit class | Main-belt Asteroid |
| Rotation period | 5.20 hours |
| Absolute magnitude (H) | 13.21 |
| Orbital period | 5.20 years |
| Semi-major axis | 3.00 au |
| Perihelion – aphelion | 2.72 – 3.28 au |
| Eccentricity | 0.0931 |
| Inclination | 9.50° |
| Closest distance between its orbit and Earth's (MOID) | 1.72 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Minoru
All asteroids named after someone called Minoru