(3890) Bunin Main-belt Asteroid
Discovered on 18 December 1976 by L. I. Chernykh at Nauchnyj.
Where Bunin is today
Seen from above the solar system on 2026-10-14: Bunin is 2.44 au from the Sun and 2.24 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3890 |
| Provisional designation | 1976 YU5 |
| Orbit class | Main-belt Asteroid |
| Diameter | 9.84 km (#5,199 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0580 |
| Rotation period | 13.4 hours |
| Absolute magnitude (H) | 13.86 |
| Orbital period | 3.56 years |
| Semi-major axis | 2.33 au |
| Perihelion – aphelion | 2.00 – 2.66 au |
| Eccentricity | 0.140 |
| Inclination | 5.22° |
| Closest distance between its orbit and Earth's (MOID) | 0.999 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.