(4619) Polyakhova Main-belt Asteroid
Discovered on 11 September 1977 by N. S. Chernykh at Nauchnyj.
Where Polyakhova is today
Seen from above the solar system on 2026-10-14: Polyakhova is 2.63 au from the Sun and 1.96 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4619 |
| Provisional designation | 1977 RB7 |
| Orbit class | Main-belt Asteroid |
| Diameter | 9.12 km (#5,671 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.161 |
| Spectral type | L |
| Absolute magnitude (H) | 13.16 |
| Orbital period | 4.41 years |
| Semi-major axis | 2.69 au |
| Perihelion – aphelion | 2.61 – 2.77 au |
| Eccentricity | 0.0298 |
| Inclination | 1.81° |
| Closest distance between its orbit and Earth's (MOID) | 1.62 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 11 September 1977
- (2428) Kamenyar
- (2458) Veniakaverin
- (3054) Strugatskia
- (3224) Irkutsk
- (3302) Schliemann
- (3787) Aivazovskij
- (3942) Churivannia
- (4233) Pal'chikov
- (4654) Gor'kavyj
- (4813) Terebizh
- (4983) Schroeteria
- (5414) Sokolov