(2822) Sacajawea
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Asteroid (2822) Sacajawea |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt |
| Asteroid family | Eunomia family |
| Major semi-axis | 2.5824 AU |
| eccentricity | 0.1229 |
| Perihelion - aphelion | 2.2651 AU - 2.8998 AU |
| Inclination of the orbit plane | 14.7196 ° |
| Length of the ascending node | 93.2567 ° |
| Sidereal period | 4.15 a |
| Mean orbital velocity | 18.53 km / s |
| Physical Properties | |
| Absolute brightness | 12.6 mag |
| history | |
| Explorer | Edward LG Bowell |
| Date of discovery | March 14, 1980 |
| Another name | 1980 EG , 1978 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. | |
(2822) Sacajawea is an asteroid of the main belt , which on 14 March 1980 by the US American astronomer Edward LG Bowell at the Anderson Mesa Station ( IAU code 688) of the Lowell Observatory in Coconino County was discovered.
The asteroid was after the Shoshone - Indian Sacajawea named (1788-1812) that the Lewis and Clark Expedition as interpreter and scout provided valuable services.
See also
Web links
- Asteroid Sacajawea: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- (2822) Sacajawea in the Small-Body Database of the Jet Propulsion Laboratory .
- (2822) Sacajawea in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).