(175) Andromache

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Asteroid
(175) Andromache
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 .

See also