(10301) Kataoka Main-belt Asteroid
Discovered on 30 March 1989 by Endate, K., Watanabe, K. at Kitami.
Yoshiko Kataoka (b. 1927), an amateur astronomer in Takarazuka, Hyogo prefecture, is a director of the Oriental Astronomical Association. She was a pioneer in the study of meteoric dust. In 1993 she provided a fund to establish and keep the Vega Prize for distinguished women amateur astronomers.Naming citation (20010509/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Kataoka is today
Seen from above the solar system on 2026-10-14: Kataoka is 2.07 au from the Sun and 2.78 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 10301 |
| Provisional designation | 1989 FH |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.23 km (#14,642 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.322 |
| Rotation period | 5.56 hours |
| Absolute magnitude (H) | 14.68 |
| Orbital period | 3.37 years |
| Semi-major axis | 2.25 au |
| Perihelion – aphelion | 2.03 – 2.47 au |
| Eccentricity | 0.0982 |
| Inclination | 2.73° |
| Closest distance between its orbit and Earth's (MOID) | 1.02 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.