(3968) Koptelov Main-belt Asteroid
Discovered on 8 October 1978 by L. I. Chernykh at Nauchnyj.
Where Koptelov is today
Seen from above the solar system on 2026-10-14: Koptelov is 2.14 au from the Sun and 3.05 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3968 |
| Provisional designation | 1978 TU5 |
| Orbit class | Main-belt Asteroid |
| Rotation period | 9.09 hours |
| Absolute magnitude (H) | 13.21 |
| Orbital period | 3.54 years |
| Semi-major axis | 2.32 au |
| Perihelion – aphelion | 2.11 – 2.53 au |
| Eccentricity | 0.0910 |
| Inclination | 6.21° |
| Closest distance between its orbit and Earth's (MOID) | 1.10 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.