(5507) Niijima Main-belt Asteroid
Discovered on 21 October 1987 by Suzuki, K., Urata, T. at Toyota.
Where Niijima is today
Seen from above the solar system on 2026-10-14: Niijima is 2.93 au from the Sun and 3.84 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 5507 |
| Provisional designation | 1987 UJ |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.52 km (#9,681 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.231 |
| Absolute magnitude (H) | 13.8 |
| Orbital period | 4.14 years |
| Semi-major axis | 2.58 au |
| Perihelion – aphelion | 2.23 – 2.93 au |
| Eccentricity | 0.136 |
| Inclination | 2.65° |
| Closest distance between its orbit and Earth's (MOID) | 1.23 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 21 October 1987
More named asteroids discovered by Suzuki, K., Urata, T.
- (3165) Mikawa
- (3178) Yoshitsune
- (3533) Toyota
- (3733) Yoshitomo
- (3828) Hoshino
- (4035) Thestor
- (4037) Ikeya
- (4212) Sansyu-Asuke
- (4374) Tadamori
- (4445) Jimstratton
- (4488) Tokitada
- (4604) Stekarstrom
← (5506) Artiglio · (5508) Gomyou →