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222 Lucia
	A three-dimensional model of 222 Lucia based on its light curve.
Discovery
Discovered by	Johann Palisa
Discovery date	9 February 1882
Designations
MPC designation	(222) Lucia
Pronunciation	/ˈluːʃiə/; German: [ˈluːtsiɐ]
Alternative designations	A882 CA, 1899 EC; 1919 AB
Minor planet category	Main belt (Themis)
Orbital characteristics
	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)
Semi-major axis	3.1412 AU (469.92 Gm)
Eccentricity	0.13105
Orbital period (sidereal)	5.57 yr (2033.5 d)
Average orbital speed	16.82 km/s
Mean anomaly	349.267°
Mean motion	0° 10m 37.308s / day
Inclination	2.1494°
Longitude of ascending node	80.141°
Argument of perihelion	180.953°
Physical characteristics
Dimensions	54.66±3.9 km
Synodic rotation period	7.80 h (0.325 d)
Geometric albedo	0.1318±0.021
Spectral type	C?
Absolute magnitude (H)	9.13

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]

References

^ Noah Webster (1884) A Practical Dictionary of the English Language
^ "222 Lucia". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 12 May 2016.
^ 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

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 viewer · Orbit parameters · Physical parameters

This article about a C-type asteroid native to the asteroid belt is a stub. You can help Wikipedia by expanding it.

[1] Noah Webster (1884) A Practical Dictionary of the English Language

[jpldata-2] "222 Lucia". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 12 May 2016.

[EPSC6_126-3] 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.

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