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 date9 February 1882
Designations
(222) Lucia
Pronunciation /ˈlʃiə/ [1]
German: [ˈluːtsiɐ]
A882 CA, 1899 EC
1919 AB
Main belt (Themis)
Orbital characteristics [2]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc 117.10 yr (42769 d)
Aphelion 3.5529  AU (531.51  Gm)
Perihelion 2.7296 AU (408.34 Gm)
3.1412 AU (469.92 Gm)
Eccentricity 0.13105
5.57 yr (2033.5 d)
Average orbital speed
16.82 km/s
349.267°
0° 10m 37.308s / day
Inclination 2.1494°
80.141°
180.953°
Physical characteristics
Dimensions54.66±3.9  km
7.80  h (0.325  d)
0.1318±0.021
C?
9.13

    Lucia (minor planet designation: 222 Lucia) is a large Themistian asteroid. It was discovered by Johann Palisa on 9 February 1882 in Vienna and named after Lucia, daughter of Austro-Hungarian explorer Graf Wilczek.

    This object is spectral C-type and is probably composed of primitive carbonaceous material. Based upon analysis of infrared spectra, it has a diameter of 59.8 ± 0.8 km. This object belongs to the Themis family, which was formed by the break-up of a larger parent body about a billion years ago. [3]

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    References

    1. Noah Webster (1884) A Practical Dictionary of the English Language
    2. "222 Lucia". JPL Small-Body Database . NASA/Jet Propulsion Laboratory . Retrieved 12 May 2016.
    3. Lagoa, V. Alí; et al., "5-14 μm Spitzer spectra of Themis family asteroids", Astronomy & Astrophysics, 537: A73, Bibcode:2012A&A...537A..73L, doi: 10.1051/0004-6361/201118142 .