(1856) Ruzena Main-belt Asteroid
Discovered on 8 October 1969 by L. I. Chernykh at Nauchnyj.
Where Ruzena is today
Seen from above the solar system on 2026-10-14: Ruzena is 2.40 au from the Sun and 1.48 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1856 |
| Provisional designation | 1969 TW1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.62 km (#8,092 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.335 |
| Rotation period | 5.96 hours |
| Spectral type | S |
| Absolute magnitude (H) | 13.04 |
| Orbital period | 3.35 years |
| Semi-major axis | 2.24 au |
| Perihelion – aphelion | 2.06 – 2.42 au |
| Eccentricity | 0.0803 |
| Inclination | 4.74° |
| Closest distance between its orbit and Earth's (MOID) | 1.05 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 8 October 1969
- (1855) Korolev
- (1956) Artek
- (2030) Belyaev
- (2031) BAM
- (2468) Repin
- (2561) Margolin
- (2877) Likhachev
- (2948) Amosov
- (3126) Davydov
- (3441) Pochaina
- (3659) Bellingshausen
- (3804) Drunina