(2891) McGetchin Outer Main-belt Asteroid
Discovered on 18 June 1980 by C. S. Shoemaker at Palomar.
Where McGetchin is today
Seen from above the solar system on 2026-10-14: McGetchin is 3.36 au from the Sun and 3.43 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 2891 |
| Provisional designation | 1980 MD |
| Orbit class | Outer Main-belt Asteroid |
| Diameter | 35.1 km (#1,150 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0610 |
| Rotation period | 240 hours |
| Absolute magnitude (H) | 11.1 |
| Orbital period | 6.14 years |
| Semi-major axis | 3.35 au |
| Perihelion – aphelion | 2.89 – 3.82 au |
| Eccentricity | 0.138 |
| Inclination | 9.30° |
| Closest distance between its orbit and Earth's (MOID) | 1.90 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.