(5520) Natori Main-belt Asteroid
Discovered on 12 September 1990 by T. Urata at Oohira.
Where Natori is today
Seen from above the solar system on 2026-10-14: Natori is 2.68 au from the Sun and 2.08 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 5520 |
| Provisional designation | 1990 RB |
| Orbit class | Main-belt Asteroid |
| Diameter | 12.3 km (#3,951 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.167 |
| Rotation period | 3.59 hours |
| Absolute magnitude (H) | 12.45 |
| Orbital period | 5.19 years |
| Semi-major axis | 3.00 au |
| Perihelion – aphelion | 2.67 – 3.33 au |
| Eccentricity | 0.110 |
| Inclination | 8.88° |
| Closest distance between its orbit and Earth's (MOID) | 1.67 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.