(322756) 2001 CK32

2001 CK₃₂
Discovery
Discovered by	LINEAR
Discovery date	13 February 2001
Designations
MPC designation	2001 CK32
Minor planet category	NEO · Aten [1][2]; Mercury grazer,; Venus crosser,; Earth crosser
Orbital characteristics[2][3][4]
	Epoch 13 January 2016 (JD 2457400.5)
	Uncertainty parameter 0
Observation arc	4777 days (13.08 yr)
Aphelion	1.002762662 AU (150.0111591 Gm)
Perihelion	0.44776848 AU (66.985211 Gm)
Semi-major axis	0.725265571 AU (108.4981851 Gm)
Eccentricity	0.3826145
Orbital period	0.62 yr (225.6 d)
Mean anomaly	197.81721°
Mean motion	1.5957266°/day
Inclination	8.1302858°
Longitude of ascending node	109.44400°
Argument of perihelion	234.11841°
Earth MOID	0.0769248 AU (11.50779 Gm)
TJupiter	7.857
Physical characteristics
Dimensions	800 m[5]
Absolute magnitude (H)	19.0[2]

(322756) 2001 CK₃₂ is a sub-kilometer asteroid and near-Earth object of the Aten group. It is also a transient Venus co-orbital,^[6]^[7] and a Mercury grazer as well as an Earth crosser. It was once designated as a potentially hazardous asteroid.

Notes

Understanding the Distribution of Near-Earth Asteroids Bottke, W. F., Jedicke, R., Morbidelli, A., Petit, J.-M., Gladman, B. 2000, Science, Vol. 288, Issue 5474, pp. 2190–2194.
A Numerical Survey of Transient Co-orbitals of the Terrestrial Planets Christou, A. A. 2000, Icarus, Vol. 144, Issue 1, pp. 1–20.
Debiased Orbital and Absolute Magnitude Distribution of the Near-Earth Objects Bottke, W. F., Morbidelli, A., Jedicke, R., Petit, J.-M., Levison, H. F., Michel, P., Metcalfe, T. S. 2002, Icarus, Vol. 156, Issue 2, pp. 399–433.
Transient co-orbital asteroids Brasser, R., Innanen, K. A., Connors, M., Veillet, C., Wiegert, P., Mikkola, S., Chodas, P. W. 2004, Icarus, Vol. 171, Issue 1, pp. 102–109.
The population of Near Earth Asteroids in coorbital motion with Venus Morais, M. H. M., Morbidelli, A. 2006, Icarus, Vol. 185, Issue 1, pp. 29–38.
Asteroid 2012 XE133: a transient companion to Venus de la Fuente Marcos, C., de la Fuente Marcos, R. 2013, Monthly Notices of the Royal Astronomical Society, Vol. 432, Issue 2, pp. 886–893.

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