342 Endymion

Minor Planet | name=342 Endymion
discoverer=Max Wolf
discovery_date=October 17, 1892
designations=1892 K
category=Main belt
epoch=30 January, 2005 (JD 2453400.5)
semimajor=384.374 Gm (2.569 AU)
perihelion=335.435 Gm (2.242 AU)
aphelion=433.313 Gm (2.897 AU)
eccentricity=0.127
period=1504.296 d (4.12 a)
inclination=7.339°
asc_node=232.772°
arg_peri=225.41°
mean_anomaly=49.705°
speed=18.58 km/s
dimensions=61.0 km
mass="unknown"
density="unknown"
gravity="unknown"
escape_velocity="unknown"
rotation="unknown"
spectral_class="unknown"
abs_mag=10.22
albedo="unknown"
temperature="unknown"

342 Endymion is a large Main belt asteroid.

It was discovered by Max Wolf on October 17, 1892 in Heidelberg.