(157) Dejanira
Asteroid (157) Dejanira |
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Properties of the orbit ( animation ) | |
Orbit type | Middle main belt |
Major semi-axis | 2.58 AU |
eccentricity | 0.196 |
Perihelion - aphelion | 2.074 AU - 3.086 AU |
Inclination of the orbit plane | 12.2 ° |
Length of the ascending node | 62.1 ° |
Argument of the periapsis | 46.4 ° |
Time of passage of the perihelion | December 25, 2012 |
Sidereal period | 4 a 52 d |
Mean orbital velocity | 18.4 km / s |
Physical Properties | |
Medium diameter | 19 km |
Rotation period | 15 h 50 min |
Absolute brightness | 10.6 mag |
history | |
Explorer | A. Borrelly |
Date of discovery | December 1, 1875 |
Another name | 1978 TS 1 , A904 VB |
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. |
(157) Dejanira is a main belt asteroid discovered on December 1, 1875 by the French astronomer Alphonse Borrely at the Marseille Observatory.
The asteroid was named after Deianira , the Greek mythology after a daughter of the king of Aitolia , known for her beauty .