(9602) Oya Main-belt Asteroid
Discovered on 31 October 1991 by Fujii, T., Watanabe, K. at Kitami.
Reinosuke Oya (b. 1923) led to the success of the third International Conference of Oriental Astronomy, held in Fukuoka City in Oct. 1998 with an exhibition on the history of astronomy in eastern Asia from early to modern times.Naming citation (20040928/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Oya is today
Seen from above the solar system on 2026-10-14: Oya is 2.44 au from the Sun and 2.41 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 9602 |
| Provisional designation | 1991 UU3 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.44 km (#9,822 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.165 |
| Absolute magnitude (H) | 14.45 |
| Orbital period | 3.45 years |
| Semi-major axis | 2.28 au |
| Perihelion – aphelion | 1.92 – 2.65 au |
| Eccentricity | 0.161 |
| Inclination | 2.23° |
| Closest distance between its orbit and Earth's (MOID) | 0.904 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.