(4399) Ashizuri Main-belt Asteroid
Discovered on 21 October 1984 by T. Seki at Geisei.
Where Ashizuri is today
Seen from above the solar system on 2026-10-14: Ashizuri is 2.91 au from the Sun and 2.59 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4399 |
| Provisional designation | 1984 UA |
| Orbit class | Main-belt Asteroid |
| Diameter | 8.79 km (#5,933 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.275 |
| Rotation period | 2.83 hours |
| Absolute magnitude (H) | 12.62 |
| Orbital period | 4.13 years |
| Semi-major axis | 2.58 au |
| Perihelion – aphelion | 2.14 – 3.02 au |
| Eccentricity | 0.171 |
| Inclination | 12.1° |
| Closest distance between its orbit and Earth's (MOID) | 1.14 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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
← (4398) Chiara · (4400) Bagryana →