(4458) Oizumi Main-belt Asteroid
Discovered on 21 January 1990 by Kushida, Y., Muramatsu, O. at Yatsugatake.
Where Oizumi is today
Seen from above the solar system on 2026-10-14: Oizumi is 2.57 au from the Sun and 2.16 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4458 |
| Provisional designation | 1990 BY |
| Orbit class | Main-belt Asteroid |
| Diameter | 11.7 km (#4,240 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0570 |
| Rotation period | 11.4 hours |
| Absolute magnitude (H) | 13.42 |
| Orbital period | 3.82 years |
| Semi-major axis | 2.44 au |
| Perihelion – aphelion | 2.07 – 2.81 au |
| Eccentricity | 0.151 |
| Inclination | 4.30° |
| Closest distance between its orbit and Earth's (MOID) | 1.09 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 21 January 1990
- (4951) Iwamoto
- (5330) Senrikyu
- (5435) Kameoka
- (5825) Rakuyou
- (6389) Ogawa
- (6391) Africano
- (6517) Buzzi
- (8492) Kikuoka
- (11284) Belenus
- (11503) Isobeken
- (11504) Kazo
- (35076) Yataro