(1137) Raïssa
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Asteroid (1137) Raïssa |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2.4235 AU |
| eccentricity | 0.0975 |
| Perihelion - aphelion | 2.1872 AU - 2.6598 AU |
| Inclination of the orbit plane | 4.319 ° |
| Sidereal period | 3,773 a |
| Mean orbital velocity | 19.13 km / s |
| Physical Properties | |
| Medium diameter | approx. 19.4 km |
| Albedo | 0.228 |
| Rotation period | 142.79 h |
| Absolute brightness | 10.6 mag |
| history | |
| Explorer | G. N. Nikolayevich |
| Date of discovery | October 27, 1929 |
| Another name | 1929 WB, A908 BB, A910 TB |
| 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. | |
(1137) Raïssa is an asteroid of the main belt , which was discovered on October 27, 1929 by the Russian astronomer Grigori Nikolajewitsch Neuimin in Simejis .
The asteroid is named after the calculator of asteroid orbits Raïssa Maseeva .