(4665) Muinonen Main-belt Asteroid
Discovered on 15 October 1985 by E. Bowell at Anderson Mesa.
Where Muinonen is today
Seen from above the solar system on 2026-10-14: Muinonen is 2.67 au from the Sun and 1.68 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4665 |
| Provisional designation | 1985 TZ1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 10.4 km (#4,857 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.195 |
| Rotation period | 15.4 hours |
| Absolute magnitude (H) | 12.65 |
| Orbital period | 5.11 years |
| Semi-major axis | 2.97 au |
| Perihelion – aphelion | 2.36 – 3.57 au |
| Eccentricity | 0.204 |
| Inclination | 7.35° |
| Closest distance between its orbit and Earth's (MOID) | 1.36 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 15 October 1985
- (3564) Talthybius
- (3595) Gallagher
- (3639) Weidenschilling
- (4057) Demophon
- (4281) Pounds
- (4445) Jimstratton
- (4446) Carolyn
- (4696) Arpigny
- (4739) Tomahrens
- (5463) Danwelcher
- (5554) Keesey
- (6206) Corradolamberti
More named asteroids discovered by E. Bowell
- (2246) Bowell
- (2264) Sabrina
- (2270) Yazhi
- (2316) Jo-Ann
- (2356) Hirons
- (2357) Phereclos
- (2383) Bradley
- (2409) Chapman
- (2410) Morrison
- (2411) Zellner
- (2421) Nininger
- (2432) Soomana
← (4664) Hanner · (4666) Dietz →