(81) Terpsichore
Asteroid (81) Terpsichore |
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Properties of the orbit ( animation ) | |
Orbit type | Main belt asteroid |
Major semi-axis | 2.857 AU |
eccentricity | 0.207 |
Perihelion - aphelion | 2.265 AU - 3.449 AU |
Inclination of the orbit plane | 7.8 ° |
Length of the ascending node | 1.1 ° |
Argument of the periapsis | 51.4 ° |
Time of passage of the perihelion | October 31, 2009 |
Sidereal period | 4 a 303 d |
Mean orbital velocity | 17.4 km / s |
Physical Properties | |
Medium diameter | 119 km |
Albedo | 0.05 |
Rotation period | 10.9 h |
Absolute brightness | 8.5 likes |
Spectral class | C. |
history | |
Explorer | EWL temple |
Date of discovery | September 30, 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. |
(81) Terpsichore is an asteroid of the main belt that was discovered on September 30, 1864 by the German astronomer Ernst Wilhelm Leberecht Tempel .
The asteroid was named after Terpsichore , the muse of choral poetry and dance.