(4639) Minox Main-belt Asteroid
Discovered on 5 March 1989 by T. Seki at Geisei.
Where Minox is today
Seen from above the solar system on 2026-10-14: Minox is 2.09 au from the Sun and 2.60 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4639 |
| Provisional designation | 1989 EK2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.92 km (#7,749 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.198 |
| Rotation period | 13.0 hours |
| Absolute magnitude (H) | 13.15 |
| Orbital period | 4.08 years |
| Semi-major axis | 2.55 au |
| Perihelion – aphelion | 2.08 – 3.03 au |
| Eccentricity | 0.186 |
| Inclination | 7.91° |
| Closest distance between its orbit and Earth's (MOID) | 1.08 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 5 March 1989
- (4104) Alu
- (4105) Tsia
- (5327) Gertwilkens
- (5515) Naderi
- (5583) Braunerova
- (5617) Emelyanenko
- (6126) Hubelmatt
- (6385) Martindavid
- (6856) Bethemmons
More named asteroids discovered by T. Seki
- (2396) Kochi
- (2571) Geisei
- (2582) Harimaya-Bashi
- (2621) Goto
- (2835) Ryoma
- (2880) Nihondaira
- (2961) Katsurahama
- (3150) Tosa
- (3182) Shimanto
- (3262) Miune
- (3431) Nakano
- (3785) Kitami
← (4638) Estens · (4640) Hara →