311 Claudia

311 Claudia
	A three-dimensional model of 311 Claudia based on its light curve
Discovery
Discovered by	Auguste Charlois
Discovery date	11 June 1891
Designations
MPC designation	(311) Claudia
Pronunciation	/ˈklaʊdiə/
Minor planet category	Main belt (Koronis)
Orbital characteristics
	Epoch 31 July 2016 (JD 2457600.5)
	Uncertainty parameter 0
Observation arc	113.31 yr (41387 d)
Aphelion	2.90489 AU (434.565 Gm)
Perihelion	2.89097 AU (432.483 Gm)
Semi-major axis	2.89793 AU (433.524 Gm)
Eccentricity	0.0024026
Orbital period (sidereal)	4.93 yr (1801.9 d)
Mean anomaly	260.154°
Mean motion	0° 11m 59.24s / day
Inclination	3.22695°
Longitude of ascending node	81.0114°
Argument of perihelion	51.4007°
Physical characteristics
Dimensions	24.05±1.8 km
Synodic rotation period	7.532 h (0.3138 d)
Geometric albedo	0.3381±0.057
Absolute magnitude (H)	10.0

311 Claudia is a typical Main belt asteroid.

It was discovered by Auguste Charlois on 11 June 1891 in Nice.^[3] The name was suggested to Charlois by the amateur astronomer Arthur Mee of Cardiff, Wales, to commemorate Mee's wife, Claudia.^[4]

311 Claudia is one of the Koronis family of asteroids. A group of astronomers, including Lucy D'Escoffier Crespo da Silva and Richard P. Binzel, used observations made between 1998 through 2000 to determine the spin-vector alignment of these asteroids. The collaborative work resulted in the creation of 61 new individual rotation lightcurves to augment previous published observations.^[5]

References

^ Noah Webster (1884) A Practical Dictionary of the English Language
^ "311 Claudia". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 11 May 2016.
^ Schmadel Lutz D. Dictionary of Minor Planet Names (fifth edition), Springer, 2003. ISBN 3-540-00238-3.
^ Mee, Arthur B. P. (2 April 1910), "Astronomical Notes", Weekly Mail, p. 11, retrieved 25 August 2013
^ Slivan, S. M., Binzel, R. P., Crespo da Silva, L. D., Kaasalainen, M., Lyndaker, M. M., Krco, M.: "Spin vectors in the Koronis family: comprehensive results from two independent analyses of 213 rotation lightcurves",Icarus, 162, 2003, pp. 285–307.

External links

311 Claudia at AstDyS-2, Asteroids—Dynamic Site
- Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
311 Claudia at the JPL Small-Body Database
- Close approach · Discovery · Ephemeris · Orbit viewer · Orbit parameters · Physical parameters

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

[jpldata-2] "311 Claudia". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 11 May 2016.

[3] Schmadel Lutz D. Dictionary of Minor Planet Names (fifth edition), Springer, 2003. ISBN 3-540-00238-3.

[4] Mee, Arthur B. P. (2 April 1910), "Astronomical Notes", Weekly Mail, p. 11, retrieved 25 August 2013

[5] Slivan, S. M., Binzel, R. P., Crespo da Silva, L. D., Kaasalainen, M., Lyndaker, M. M., Krco, M.: "Spin vectors in the Koronis family: comprehensive results from two independent analyses of 213 rotation lightcurves",Icarus, 162, 2003, pp. 285–307.

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