(5121) Numazawa Main-belt Asteroid
Discovered on 15 January 1989 by Yanai, M., Watanabe, K. at Kitami.
Where Numazawa is today
Seen from above the solar system on 2026-10-14: Numazawa is 2.59 au from the Sun and 3.57 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 5121 |
| Provisional designation | 1989 AX1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.24 km (#7,382 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.256 |
| Rotation period | 2.66 hours |
| Absolute magnitude (H) | 13.33 |
| Orbital period | 3.33 years |
| Semi-major axis | 2.23 au |
| Perihelion – aphelion | 1.85 – 2.61 au |
| Eccentricity | 0.171 |
| Inclination | 6.46° |
| Closest distance between its orbit and Earth's (MOID) | 0.851 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 15 January 1989
More named asteroids discovered by Yanai, M., Watanabe, K.
- (3867) Shiretoko
- (3915) Fukushima
- (4263) Abashiri
- (4557) Mika
- (4771) Hayashi
- (5174) Okugi
- (5374) Hokutosei
- (6562) Takoyaki
- (6707) Shigeru
- (7828) Noriyositosi
- (8182) Akita
- (10117) Tanikawa
← (5120) Bitias · (5122) Mucha →