(175) Andromache
Asteroid (175) Andromache |
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Properties of the orbit ( animation ) | |
Orbit type | Outer main belt |
Major semi-axis | 3.184 AU |
eccentricity | 0.234 |
Perihelion - aphelion | 2.44 AU - 3.928 AU |
Inclination of the orbit plane | 3.2 ° |
Length of the ascending node | 21.4 ° |
Argument of the periapsis | 320.8 ° |
Time of passage of the perihelion | January 7, 2016 |
Sidereal period | 5 a 249 d |
Mean orbital velocity | 16.5 km / s |
Physical Properties | |
Medium diameter | 94.532 ± 1.084 km |
Albedo | 0.094 |
Rotation period | 8 h 19 min |
Absolute brightness | 8.31 mag |
Spectral class | C. |
history | |
Explorer | James Craig Watson |
Date of discovery | October 1, 1877 |
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. |
(175) Andromache is a main belt asteroid discovered by the American astronomer James Craig Watson on October 1, 1877 .
The asteroid was named after Andromache , the wife of Hector , a prince of Troy , according to Greek mythology .