(979) Ilsewa
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Asteroid (979) Ilsewa |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 3.1600 AU |
| eccentricity | 0.1339 |
| Perihelion - aphelion | 2.737 AU - 3.5829 AU |
| Inclination of the orbit plane | 10.1 ° |
| Sidereal period | 5,617 a |
| Mean orbital velocity | 16.76 km / s |
| Physical Properties | |
| Medium diameter | 36.82 km |
| Albedo | 0.157 |
| Rotation period | ? H |
| Absolute brightness | 9,598 likes |
| Spectral class | ? |
| history | |
| Explorer | K. Reinmuth |
| Date of discovery | 1921 |
| Another name | 1921 MC, 1951 TW, 1966 HO |
| 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. | |
(979) Ilsewa is an asteroid of the main belt that was discovered on June 29, 1922 by the German astronomer Karl Wilhelm Reinmuth in Heidelberg .
The asteroid was named after Ilse Waldorf , a friend of the discoverer.