342 Endymion

342 Endymion
Discovery
Discovered by	Max Wolf
Discovery date	17 October 1892
Designations
Named after	Endymion
Alternative names	1892 K
Minor planet category	Main belt, bower family
Orbital characteristics^[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	115.38 yr (42141 d)
Aphelion	2.89687 AU (433.366 Gm)
Perihelion	2.24079 AU (335.217 Gm)
Semi-major axis	2.56883 AU (384.291 Gm)
Eccentricity	0.12770
Orbital period	4.12 yr (1503.8 d)
Average orbital speed	18.58 km/s
Mean anomaly	335.858°
Mean motion	0° 14^m 21.793^s / day
Inclination	7.34850°
Longitude of ascending node	232.690°
Argument of perihelion	224.708°
Earth MOID	1.26259 AU (188.881 Gm)
Jupiter MOID	2.3116 AU (345.81 Gm)
Jupiter Tisserand parameter	3.408
Physical characteristics
Dimensions	7004606300000000000♠60.63±2.8 km
Mass	unknown
Mean density	unknown
Equatorial surface gravity	unknown
Equatorial escape velocity	unknown
Rotation period	6.319 h (0.2633 d)
Geometric albedo	6998393000000000000♠0.0393±0.004
Temperature	unknown
Spectral type	unknown
Absolute magnitude (H)	10.22

342 Endymion is a large Main belt asteroid.^[1] It was discovered by Max Wolf on October 17, 1892 in Heidelberg.

References

Minor planets navigator

341 California 342 Endymion 343 Ostara

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