(82) Alcmene
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 .