(82) Alcmene
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Asteroid (82) Alcmene |
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| Properties of the orbit ( animation ) | |
| Orbit type | Main belt asteroid |
| Major semi-axis | 2,766 AU |
| eccentricity | 0.221 |
| Perihelion - aphelion | 2.154 AU - 3.378 AU |
| Inclination of the orbit plane | 2.8 ° |
| Length of the ascending node | 25.5 ° |
| Argument of the periapsis | 110.7 ° |
| Time of passage of the perihelion | June 19, 2012 |
| Sidereal period | 4 a 220 d |
| Mean orbital velocity | 17.7 km / s |
| Physical Properties | |
| Medium diameter | 61 km |
| Albedo | 0.21 |
| Rotation period | 13 h |
| Absolute brightness | 8.4 mag |
| Spectral class | S. |
| history | |
| Explorer | KTR Luther |
| Date of discovery | November 27, 1864 |
| 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. | |
(82) Alkmene is an asteroid in the main belt measuring approx. 60 km . It was discovered in November 1864 by Robert Luther , the director of the Düsseldorf observatory at the time.
The asteroid is named after Alcmene , the mother of Heracles .