(4164) Shilov Main-belt Asteroid
Discovered on 16 October 1969 by L. I. Chernykh at Nauchnyj.
Where Shilov is today
Seen from above the solar system on 2026-10-14: Shilov is 2.66 au from the Sun and 3.62 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4164 |
| Provisional designation | 1969 UR |
| Orbit class | Main-belt Asteroid |
| Diameter | 10.5 km (#4,828 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.234 |
| Rotation period | 18.5 hours |
| Absolute magnitude (H) | 12.27 |
| Orbital period | 4.28 years |
| Semi-major axis | 2.64 au |
| Perihelion – aphelion | 2.23 – 3.04 au |
| Eccentricity | 0.152 |
| Inclination | 12.8° |
| Closest distance between its orbit and Earth's (MOID) | 1.26 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.