(1561) Fricke
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Asteroid (1561) Fricke |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Asteroid family | Hygiea family |
| Major semi-axis | 3.1927 AU |
| eccentricity | 0.1292 |
| Perihelion - aphelion | 2.7803 AU - 3.6051 AU |
| Inclination of the orbit plane | 4.348 ° |
| Sidereal period | 5.705 a |
| Mean orbital velocity | 16.67 km / s |
| Physical Properties | |
| Medium diameter | 26.04 km |
| Albedo | 0.060 |
| Rotation period | ? H |
| Absolute brightness | 11,246 likes |
| Spectral class | ? |
| history | |
| Explorer | K. Reinmuth |
| Date of discovery | February 15, 1941 |
| Another name | 1941 CG, 1970 HE, A905 RO |
| 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. | |
(1561) Fricke is an asteroid of the main belt that was discovered on February 15, 1941 by the German astronomer Karl Wilhelm Reinmuth at the Heidelberg-Königstuhl State Observatory at the University of Heidelberg .
The asteroid is named after the German astronomer Walter Ernst Fricke .