(3495) Colchagua Outer Main-belt Asteroid
Discovered on 2 July 1981 by L. E. Gonzalez at Cerro El Roble.
Where Colchagua is today
Seen from above the solar system on 2026-10-14: Colchagua is 2.81 au from the Sun and 3.72 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3495 |
| Provisional designation | 1981 NU |
| Orbit class | Outer Main-belt Asteroid |
| Diameter | 26.3 km (#1,594 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0710 |
| Absolute magnitude (H) | 11.84 |
| Orbital period | 5.76 years |
| Semi-major axis | 3.21 au |
| Perihelion – aphelion | 2.81 – 3.62 au |
| Eccentricity | 0.127 |
| Inclination | 2.49° |
| Closest distance between its orbit and Earth's (MOID) | 1.80 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.