(2976) Lautaro Outer Main-belt Asteroid
Discovered on 22 April 1974 by C. Torres at Cerro El Roble.
Where Lautaro is today
Seen from above the solar system on 2026-10-14: Lautaro is 2.86 au from the Sun and 1.87 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 2976 |
| Provisional designation | 1974 HR |
| Orbit class | Outer Main-belt Asteroid |
| Diameter | 46.2 km (#827 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0440 |
| Rotation period | 17.4 hours |
| Absolute magnitude (H) | 10.98 |
| Orbital period | 6.10 years |
| Semi-major axis | 3.34 au |
| Perihelion – aphelion | 2.85 – 3.82 au |
| Eccentricity | 0.145 |
| Inclination | 9.83° |
| Closest distance between its orbit and Earth's (MOID) | 1.86 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.