(3431) Nakano Main-belt Asteroid
Discovered on 24 August 1984 by T. Seki at Geisei.
Where Nakano is today
Seen from above the solar system on 2026-10-14: Nakano is 3.14 au from the Sun and 3.92 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3431 |
| Provisional designation | 1984 QC |
| Orbit class | Main-belt Asteroid |
| Diameter | 44.3 km (#872 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0500 |
| Rotation period | 9.06 hours |
| Absolute magnitude (H) | 10.73 |
| Orbital period | 5.44 years |
| Semi-major axis | 3.09 au |
| Perihelion – aphelion | 2.94 – 3.25 au |
| Eccentricity | 0.0501 |
| Inclination | 12.3° |
| Closest distance between its orbit and Earth's (MOID) | 1.94 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.