(980) Anacostia Main-belt Asteroid
Discovered on 21 November 1921 by G. H. Peters at Washington.
Where Anacostia is today
Seen from above the solar system on 2026-10-14: Anacostia is 2.44 au from the Sun and 1.88 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 980 |
| Provisional designation | A921 WG |
| Orbit class | Main-belt Asteroid |
| Diameter | 74.7 km (#424 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.229 |
| Rotation period | 20.1 hours |
| Spectral type | SU |
| Absolute magnitude (H) | 7.89 |
| Orbital period | 4.54 years |
| Semi-major axis | 2.74 au |
| Perihelion – aphelion | 2.19 – 3.29 au |
| Eccentricity | 0.201 |
| Inclination | 15.9° |
| Closest distance between its orbit and Earth's (MOID) | 1.24 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
More named asteroids discovered by G. H. Peters
← (979) Ilsewa · (981) Martina →