104 Klymene Sunday, June 21, 2009

104 Klymene
Discovery
Discovered by James Craig Watson
Discovery date September 13, 1868
Designations
Alternate name
Minor planet
category
Main belt
Epoch December 31, 2006 (JD 2454100.5)
Aphelion 544.012 Gm (3.636 AU)
Perihelion 399.428 Gm (2.670 AU)
Semi-major axis 471.720 Gm (3.153 AU)
Eccentricity 0.153
Orbital period 2045.203 d (5.60 a)
Average orbital speed 16.67 km/s
Mean anomaly 205.812°
Inclination 2.791°
Longitude of ascending node 41.854°
Argument of perihelion 31.043°
Physical characteristics
Dimensions 123.7 km
Mass 2.0 × 1018 kg
Mean density ? g/cm³
Equatorial surface gravity 0.0346 m/s²
Escape velocity 0.0654 km/s
Rotation period ? d
Albedo ?
Temperature ~157 K
Spectral type C
Absolute magnitude (H) 8.27

104 Klymene is a large, dark main belt asteroid. It has probably a carbonaceous composition. Klymene is a member of the extensive Themis asteroid family. It was discovered by J. C. Watson on September 13, 1868 and named after one of the many Clymenes in Greek mythology.[1]

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