(980) Anacostia
|
Asteroid (980) Anacostia |
|
|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.7426 AU |
| eccentricity | 0.1998 |
| Perihelion - aphelion | 2.1947 AU - 3.2906 AU |
| Inclination of the orbit plane | 15.90 ° |
| Sidereal period | 1659 days |
| Mean orbital velocity | 17.99 km / s |
| Physical Properties | |
| Medium diameter | approx. 75 km |
| Albedo | 0.1723 |
| Rotation period | 20.117 h |
| Absolute brightness | 7.85 likes |
| Spectral class | SU |
| history | |
| Explorer | GH Peters |
| Date of discovery | November 21, 1921 |
| Another name | 1921 W19, A917 YC |
| Source: Unless otherwise stated, the data comes from JPL Small-Body Database Browser . The affiliation to an asteroid family is automatically determined from the AstDyS-2 database . Please also note the note on asteroid items. | |
(980) Anacostia is a main belt asteroid discovered by the American astronomer George Henry Peters on November 21, 1921 .
The asteroid was named after the famous Anacostia neighborhood (and the Anacostia River ) in southeast Washington, DC .