Science Fair Project Encyclopedia
82 Alkmene
| Orbital characteristics 1 | |
|---|---|
| Orbit type | Main belt |
| Semimajor axis | 2.758 AU |
| Perihelion distance | 2.138 AU |
| Aphelion distance | 3.379 AU |
| Orbital period | 4.58 years |
| Inclination | 2.83° |
| Eccentricity | 0.225 |
| Physical characteristics 1 | |
| Diameter | 61 km |
| Rotation period 3 | 12.999 hours |
| Spectral class | S |
| Abs. magnitude | 8.40 |
| Albedo 4 | 0.208 |
| History 2 | |
| Discoverer | R. Luther, 1864 |
82 Alkmene (alk-mee'-nee) is a Main belt asteroid. It is probably a mixture of silicate rock and nickel-iron metals.
Alkmene was discovered by R. Luther on November 27, 1864 and maned after Alcmene, the mother of Herakles in Greek mythology.
A satellite has been suggested based on the lightcurve data. [1]
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10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details