81 Terpsichore
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| Orbital characteristics 1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html) | |
|---|---|
| Orbit type | Main belt |
| Semimajor axis | 2.854 AU |
| Perihelion distance | 2.250 AU |
| Aphelion distance | 3.457 AU |
| Orbital period | 4.82 years |
| Inclination | 7.81° |
| Eccentricity | 0.211 |
| Physical characteristics 1 (ftp://ftp.lowell.edu/pub/elgb/astorb.html) | |
| Diameter | 119.1 km |
| Rotation period 3 (http://charlie.psi.edu/pds/) | 11.02 hours |
| Spectral class | C |
| Albedo 4 (http://dorothy.as.arizona.edu/DSN/IRAS/index_iras.html) | 0.051 |
| Abs. magnitude | 8.48 |
| History 2 (http://cfa-www.harvard.edu/iau/lists/NumberedMPs.html) | |
| Discoverer | E. W. Tempel, 1864 |
81 Terpsichore (turp-sik'-a-ree) is a large and very dark main belt asteroid. It has most likely a very primitive carbonaceous composition.
It was found by the prolific comet discoverer Ernst Tempel on September 30, 1864. It is named after Terpsichore, the Muse of dance in Greek mythology.
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| (For a complete listing, see: List of asteroids. For pronunciation, see: Pronunciation of asteroid names.) |