222 Lucia

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222 Lucia
222Lucia (Lightcurve Inversion).png
A three-dimensional model of 222 Lucia based on its light curve.
Discovery
Discovered by Johann Palisa
Discovery date February 9, 1882
Designations
Alternative names A899 EC, A919 AB
Minor planet category Main belt (Themis)
Orbital characteristics
Epoch 30 January 2005 (JD 2453400.5)
Aphelion 534.575 Gm (3.573 AU)
Perihelion 403.737 Gm (2.699 AU)
Semi-major axis 469.156 Gm (3.136 AU)
Eccentricity 0.139
Orbital period 2028.512 d (5.55 a)
Average orbital speed 16.82 km/s
Mean anomaly 327.086°
Inclination 2.158°
Longitude of ascending node 80.328°
Argument of perihelion 178.579°
Physical characteristics
Dimensions 55.0 km
Mass unknown
Mean density unknown
Equatorial surface gravity unknown
Escape velocity unknown
Rotation period 8 h
Albedo 0.13
Temperature unknown
Spectral type C?
Absolute magnitude (H) 9.13

222 Lucia is a large Themistian asteroid. It is spectral C-type and is probably composed of primitive carbonaceous material.

It was discovered by Johann Palisa on February 9, 1882 in Vienna and named after Lucia, daughter of Austro-Hungarian explorer Graf Wilczek.

References[edit]