(4189) Sayany Main-belt Asteroid
Discovered on 22 September 1979 by N. S. Chernykh at Nauchnyj.
Where Sayany is today
Seen from above the solar system on 2026-10-14: Sayany is 2.58 au from the Sun and 3.44 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4189 |
| Provisional designation | 1979 SV9 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.90 km (#13,003 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.473 |
| Rotation period | 2.76 hours |
| Absolute magnitude (H) | 13.67 |
| Orbital period | 3.50 years |
| Semi-major axis | 2.30 au |
| Perihelion – aphelion | 1.99 – 2.61 au |
| Eccentricity | 0.135 |
| Inclination | 5.35° |
| Closest distance between its orbit and Earth's (MOID) | 0.984 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 22 September 1979
- (2726) Kotelnikov
- (2727) Paton
- (2728) Yatskiv
- (2746) Hissao
- (2952) Lilliputia
- (3191) Svanetia
- (3242) Bakhchisaraj
- (3261) Tvardovskij
- (3323) Turgenev
- (3399) Kobzon
- (3601) Velikhov
- (3799) Novgorod
More named asteroids discovered by N. S. Chernykh
- (1796) Riga
- (1836) Komarov
- (1907) Rudneva
- (1908) Pobeda
- (2004) Lexell
- (2006) Polonskaya
- (2036) Sheragul
- (2113) Ehrdni
- (2123) Vltava
- (2149) Schwambraniya
- (2164) Lyalya
- (2178) Kazakhstania
← (4188) Kitezh · (4190) Kvasnica →