(2525) O'Steen Main-belt Asteroid
Discovered on 2 November 1981 by B. A. Skiff at Anderson Mesa.
Where O'Steen is today
Seen from above the solar system on 2026-10-14: O'Steen is 2.80 au from the Sun and 2.34 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 2525 |
| Provisional designation | 1981 VG |
| Orbit class | Main-belt Asteroid |
| Diameter | 29.9 km (#1,366 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.111 |
| Rotation period | 3.57 hours |
| Absolute magnitude (H) | 11.19 |
| Orbital period | 5.59 years |
| Semi-major axis | 3.15 au |
| Perihelion – aphelion | 2.59 – 3.71 au |
| Eccentricity | 0.177 |
| Inclination | 2.78° |
| Closest distance between its orbit and Earth's (MOID) | 1.59 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 2 November 1981
- (2588) Flavia
- (3434) Hurless
- (5049) Sherlock
- (7863) Turnbull
- (11823) Christen
- (13001) Woodney
- (13487) Novosyadlyj