(4918) Rostropovich Main-belt Asteroid
Discovered on 24 August 1974 by L. I. Chernykh at Nauchnyj.
Where Rostropovich is today
Seen from above the solar system on 2026-10-14: Rostropovich is 2.09 au from the Sun and 1.66 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4918 |
| Provisional designation | 1974 QU1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 11.9 km (#4,131 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0450 |
| Rotation period | 20.1 hours |
| Absolute magnitude (H) | 13.72 |
| Orbital period | 4.29 years |
| Semi-major axis | 2.64 au |
| Perihelion – aphelion | 2.03 – 3.25 au |
| Eccentricity | 0.232 |
| Inclination | 1.77° |
| Closest distance between its orbit and Earth's (MOID) | 1.04 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.