(3213) Smolensk Main-belt Asteroid
Discovered on 14 July 1977 by N. S. Chernykh at Nauchnyj.
Where Smolensk is today
Seen from above the solar system on 2026-10-14: Smolensk is 3.71 au from the Sun and 4.58 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3213 |
| Provisional designation | 1977 NQ |
| Orbit class | Main-belt Asteroid |
| Diameter | 17.7 km (#2,544 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0740 |
| Rotation period | 3.56 hours |
| Absolute magnitude (H) | 12.57 |
| Orbital period | 5.71 years |
| Semi-major axis | 3.20 au |
| Perihelion – aphelion | 2.67 – 3.72 au |
| Eccentricity | 0.166 |
| Inclination | 0.951° |
| Closest distance between its orbit and Earth's (MOID) | 1.66 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.