109 Felicitas

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109 Felicitas
Discovery
Discovered by Christian Heinrich Friedrich Peters
Discovery date October 9, 1869
Designations
Alternative names  
Minor planet
category
Main belt
Epoch December 31, 2006 (JD 2454100.5)
Aphelion 523.329 Gm (3.498 AU)
Perihelion 283.326 Gm (1.894 AU)
Semi-major axis 403.327 Gm (2.696 AU)
Eccentricity 0.298
Orbital period 1616.951 d (4.43 a)
Average orbital speed 17.73 km/s
Mean anomaly 331.256°
Inclination 7.886°
Longitude of ascending node 3.207°
Argument of perihelion 56.586°
Physical characteristics
Dimensions 89.4 km
Mass 7.5×1017 kg
Mean density ? g/cm³
Equatorial surface gravity 0.0250 m/s²
Escape velocity 0.0473 km/s
Rotation period ? d
Albedo ?
Temperature ~169 K
Spectral type C
Absolute magnitude 8.75

109 Felicitas is a dark and fairly large main belt asteroid. It was discovered by C. H. F. Peters on October 9, 1869 and named after Felicitas, the Roman goddess of success. The only observed stellar occultation by Felicitas is one from Japan (March 29, 2003). [1]