82 Alkmene
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| Orbital characteristics 1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html) | |
|---|---|
| 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 (ftp://ftp.lowell.edu/pub/elgb/astorb.html) | |
| Diameter | 61 km |
| Rotation period 3 (http://charlie.psi.edu/pds/) | 12.999 hours |
| Spectral class | S |
| Abs. magnitude | 8.40 |
| Albedo 4 (http://dorothy.as.arizona.edu/DSN/IRAS/index_iras.html) | 0.208 |
| History 2 (http://cfa-www.harvard.edu/iau/lists/NumberedMPs.html) | |
| 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] (http://www.johnstonsarchive.net/astro/asteroidmoonsq.html)
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