(1317) Silvretta
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Asteroid (1317) Silvretta |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 3.1900 AU |
| eccentricity | 0.2432 |
| Perihelion - aphelion | 2.4141 AU - 3.9659 AU |
| Inclination of the orbit plane | 20.668 ° |
| Sidereal period | 5.72 a |
| Mean orbital velocity | 16.68 km / s |
| Physical Properties | |
| Medium diameter | approx. 18 km |
| Dimensions | ? kg |
| Albedo | 0.275 |
| Medium density | ? g / cm³ |
| Rotation period | 7.048 h |
| Absolute brightness | 9.91 mag |
| Spectral class | CX: |
| history | |
| Explorer | K. Reinmuth |
| Date of discovery | September 1, 1935 |
| Another name | 1935 RC, 1949 HY, 1952 YG |
| 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. | |
(1317) Silvretta is an asteroid of the main belt that was discovered on September 1, 1935 by the German astronomer Karl Wilhelm Reinmuth in Heidelberg .
The name is derived from the Silvretta mountain range in the Alps.