(4025) Ridley Main-belt Asteroid
Discovered on 24 November 1981 by E. Bowell at Anderson Mesa.
👶 Ridley as a baby name🐶 Ridley as a dog name
Where Ridley is today
Seen from above the solar system on 2026-10-14: Ridley is 2.47 au from the Sun and 3.34 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4025 |
| Provisional designation | 1981 WU |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.38 km (#11,874 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.250 |
| Rotation period | 28.2 hours |
| Absolute magnitude (H) | 13.85 |
| Orbital period | 3.38 years |
| Semi-major axis | 2.25 au |
| Perihelion – aphelion | 1.88 – 2.63 au |
| Eccentricity | 0.167 |
| Inclination | 3.13° |
| Closest distance between its orbit and Earth's (MOID) | 0.883 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 24 November 1981
- (2633) Bishop
- (2708) Burns
- (2813) Zappala
- (3172) Hirst
- (3173) McNaught
- (3454) Lieske
- (3853) Haas
- (3944) Halliday
- (4024) Ronan
- (5500) Twilley
- (6628) Dondelia
- (7738) Heyman
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
← (4024) Ronan · (4026) Beet →