(5859) Ostozhenka Main-belt Asteroid
Discovered on 23 March 1979 by N. S. Chernykh at Nauchnyj.
Where Ostozhenka is today
Seen from above the solar system on 2026-10-14: Ostozhenka is 2.77 au from the Sun and 1.79 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 5859 |
| Provisional designation | 1979 FD2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.99 km (#8,941 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.236 |
| Absolute magnitude (H) | 13.6 |
| Orbital period | 3.79 years |
| Semi-major axis | 2.43 au |
| Perihelion – aphelion | 2.07 – 2.79 au |
| Eccentricity | 0.147 |
| Inclination | 2.71° |
| Closest distance between its orbit and Earth's (MOID) | 1.08 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.