(342) Endymion

Asteroid (342) Endymion
Properties of the orbit ( animation )
Orbit type	Main belt asteroid
Major semi-axis	2.568 AU
eccentricity	0.129
Perihelion - aphelion	2.236 AU - 2.9 AU
Inclination of the orbit plane	7.4 °
Length of the ascending node	232.7 °
Argument of the periapsis	225 °
Time of passage of the perihelion	September 27, 2012
Sidereal period	4 a 42 d
Mean orbital velocity	18.5 km / s
Physical Properties
Medium diameter	approx. 61 km
Albedo	0.04
Rotation period	6.3 h
Absolute brightness	10.2 mag
Spectral class	C.
history
Explorer	Max Wolf
Date of discovery	October 17, 1892
Another name	1892 K
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.

(342) Endymion is an asteroid of the main belt that was discovered by Max Wolf in Heidelberg on October 17, 1892 .

It was named after Endymion in 1896 by the astronomer Friedrich Bidschof .

Individual evidence