Discovery
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Discovered by | Johann Palisa |
Discovery date | February 9, 1882 |
Designations
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Alternate name(s) | A899 EC, A919 AB |
Minor planet category |
Main belt (Themis) |
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
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Dimensions | 55.0 km |
Mass | unknown |
Mean density | unknown |
Equatorial surface gravity | unknown |
Escape velocity | unknown |
Rotation period | 7 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.
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