(2783) Chernyshevskij Main-belt Asteroid
Discovered on 14 September 1974 by N. S. Chernykh at Nauchnyj.
Where Chernyshevskij is today
Seen from above the solar system on 2026-10-14: Chernyshevskij is 2.79 au from the Sun and 3.64 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 2783 |
| Provisional designation | 1974 RA2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.20 km (#8,641 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.265 |
| Rotation period | 9.46 hours |
| Absolute magnitude (H) | 13.36 |
| Orbital period | 4.09 years |
| Semi-major axis | 2.56 au |
| Perihelion – aphelion | 2.14 – 2.98 au |
| Eccentricity | 0.165 |
| Inclination | 0.784° |
| Closest distance between its orbit and Earth's (MOID) | 1.14 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.