109 Felicitas

For other uses of Felicitas, see Felicity (disambiguation).

109 Felicitas

Discovery
Discovered by	Christian Heinrich Friedrich Peters
Discovery date	October 9, 1869
Designations
Named after	Felicitas
Alternate name(s)
Minor planet category	Main belt
Orbital characteristics
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°
Proper orbital elements
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 (H)	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]

References

1. ^ Observed minor planet occultation events, version of 2005 July 26