(1973) Colocolo Main-belt Asteroid
Discovered on 18 July 1968 by Torres, C., Cofre, S. at Cerro El Roble.
Named for the old and wise Araucanian chief who succeeded in unifying the Araucanian Indian tribes against the Spanish conquerors.Naming citation (MPC 5358), IAU / Minor Planet Center, via NASA/JPL
Where Colocolo is today
Seen from above the solar system on 2026-10-14: Colocolo is 3.10 au from the Sun and 2.43 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1973 |
| Provisional designation | 1968 OA |
| Orbit class | Main-belt Asteroid |
| Diameter | 26.3 km (#1,600 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0260 |
| Rotation period | 9.99 hours |
| Absolute magnitude (H) | 12.46 |
| Orbital period | 5.68 years |
| Semi-major axis | 3.18 au |
| Perihelion – aphelion | 2.94 – 3.43 au |
| Eccentricity | 0.0762 |
| Inclination | 10.6° |
| Closest distance between its orbit and Earth's (MOID) | 1.93 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 18 July 1968
- (1974) Caupolican
- (1992) Galvarino
- (2028) Janequeo
- (2654) Ristenpart
- (4878) Gilhutton
- (5659) Vergara
- (43722) Carloseduardo