(640) Brambilla
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Asteroid (640) Brambilla |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 3.157 AU |
| eccentricity | 0.081 |
| Perihelion - aphelion | 2.901 AU - 3.413 AU |
| Inclination of the orbit plane | 13.4 ° |
| Length of the ascending node | 235 ° |
| Argument of the periapsis | 32.7 ° |
| Time of passage of the perihelion | December 8, 2007 |
| Sidereal period | 5 a 222 d |
| Mean orbital velocity | 16.7 km / s |
| Physical Properties | |
| Medium diameter | (80.8 ± 2.3) km |
| Albedo | 0.07 |
| Rotation period | 7 h 46 min |
| Absolute brightness | 9.0 mag |
| Spectral class | G |
| history | |
| Explorer | August Kopff |
| Date of discovery | August 29, 1907 |
| Another name | 1907 ZW |
| 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. | |
(640) Brambilla is an asteroid of the main belt that was discovered on August 29, 1907 by the German astronomer August Kopff in Heidelberg .
The asteroid was named after Princess Brambilla , a novella by ETA Hoffmann .