(2121) Sevastopol Main-belt Asteroid
Discovered on 27 June 1971 by T. M. Smirnova at Nauchnyj.
Where Sevastopol is today
Seen from above the solar system on 2026-10-14: Sevastopol is 1.87 au from the Sun and 1.13 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 2121 |
| Provisional designation | 1971 ME |
| Orbit class | Main-belt Asteroid |
| Diameter | 8.74 km (#5,973 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.308 |
| Rotation period | 2.91 hours |
| Absolute magnitude (H) | 12.41 |
| Orbital period | 3.23 years |
| Semi-major axis | 2.18 au |
| Perihelion – aphelion | 1.79 – 2.57 au |
| Eccentricity | 0.179 |
| Inclination | 4.38° |
| Closest distance between its orbit and Earth's (MOID) | 0.777 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.