118 Peitho

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118 Peitho
Discovery
Discovered by: Karl Theodor Robert Luther
Discovery date: March 15, 1872
Alternative names:  
Minor planet category: Main belt
Orbital characteristics
Epoch December 31, 2006 (JD 2454100.5)
Aphelion distance: 424.156 Gm (2.835 AU)
Perihelion distance: 304.927 Gm (2.038 AU)
Semi-major axis: 364.541 Gm (2.437 AU)
Eccentricity: 0.164
Orbital period: 1389.411 d (3.80 a)
Avg. orbital speed: 18.95 km/s
Mean anomaly: 224.181°
Inclination: 7.743°
Longitude of ascending node: 47.743°
Argument of perihelion: 33.655°
Physical characteristics
Dimensions: 41.7 km
Mass: 7.6×1016 kg
Mean density: ? g/cm³
Equatorial surface gravity: 0.0117 m/s²
Escape velocity: 0.0220 km/s
Rotation period: ? d
Albedo: ?
Temperature: ~178 K
Spectral type: S
Absolute magnitude: 9.14

118 Peitho is a main belt asteroid. It is probably an S-type asteroid. It was discovered by R. Luther on March 15, 1872 and named after one of the two Peithos in Greek mythology. There have been two observed Peithoan occultations of a dim star, one was in 2000 and the other in 2003.


Minor planets
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List of asteroids