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222 Lucia

Summary

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.

222 Lucia
A three-dimensional model of 222 Lucia based on its light curve.
Discovery
Discovered byJohann Palisa
Discovery date9 February 1882
Designations
(222) Lucia
Pronunciation/ˈluːʃiə/[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 arc117.10 yr (42769 d)
Aphelion3.5529 AU (531.51 Gm)
Perihelion2.7296 AU (408.34 Gm)
3.1412 AU (469.92 Gm)
Eccentricity0.13105
5.57 yr (2033.5 d)
16.82 km/s
349.267°
0° 10m 37.308s / day
Inclination2.1494°
80.141°
180.953°
Physical characteristics
Dimensions54.66±3.9 km
7.80 h (0.325 d)
0.1318±0.021
C?
9.13

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]

References edit

  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.

External links edit

  • Lightcurve plot of 222 Lucia, Palmer Divide Observatory, B. D. Warner (1999)
  • Asteroid Lightcurve Database (LCDB), query form (info Archived 16 December 2017 at the Wayback Machine)
  • Dictionary of Minor Planet Names, Google books
  • Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend
  • Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center
  • 222 Lucia at AstDyS-2, Asteroids—Dynamic Site
    • Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
  • 222 Lucia at the JPL Small-Body Database  
    • Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters