81 Terpsichore
Encyclopedia : 8 : 81 : 81T : 81 Terpsichore
| Orbital characteristics [1] | |
|---|---|
| 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] | |
| Diameter | 119.1 km |
| Rotation period [3] | 11.02 hours |
| Spectral class | C |
| Albedo [4] | 0.051 |
| Abs. magnitude | 8.48 |
| History [2] | |
| 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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