(113) Amalthea

Asteroid (113) Amalthea
Properties of the orbit ( animation )
Orbit type	Main belt asteroid
Major semi-axis	2.376 AU
eccentricity	0.088
Perihelion - aphelion	2.167 AU - 2.585 AU
Inclination of the orbit plane	5 °
Length of the ascending node	123.6 °
Argument of the periapsis	78.4 °
Time of passage of the perihelion	August 9, 2010
Sidereal period	3 a 242 d
Mean orbital velocity	19.3 km / s
Physical Properties
Medium diameter	approx. 50.1 km
Albedo	0.2649
Rotation period	9 h 56 min
Absolute brightness	8.74 likes
Spectral class	S.
history
Explorer	KTR Luther
Date of discovery	March 12, 1871
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.

(113) Amalthea is an asteroid of the main belt , which on 12 March 1871 by Robert Luther was discovered.

The asteroid was named after Amaltheia , a nymph who, according to Greek mythology, raised Zeus with the milk of a goat.

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