(322756) 2001 CK₃₂

(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.

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]^[a]
Absolute magnitude (H)	19.0[2]

See also

• (524522) 2002 VE68
• 2012 XE133
• 2013 ND15

Notes

• ^{^} This is assuming an albedo of 0.25–0.05.

References

1. List Of Aten Minor Planets
2. "(322756) 2001 CK32". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 2322756. Retrieved 8 April 2016.
3. AstDys-2 on 2001 CK32 Retrieved 2012-08-25
4. NEODyS-2 on 2001 CK32 Retrieved 2012-08-25
5. CNEOS – Asteroid Size Estimator
6. Transient co-orbital asteroids
7. de la Fuente Marcos, C.; de la Fuente Marcos, R. "Asteroid 2012 XE133, a transient companion to Venus". Monthly Notices of the Royal Astronomical Society. 432 (2): 886–893. arXiv:1303.3705. Bibcode:2013MNRAS.432..886D. doi:10.1093/mnras/stt454.

Further reading

• 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.

External links

• 2001 CK₃₂ data at MPC
• List of Potentially Hazardous Asteroids (PHAs)
• (322756) 2001 CK32 at NeoDyS-2, Near Earth Objects—Dynamic Site
  • Ephemeris · Obs prediction · Orbital info · MOID · Proper elements · Obs info · Close · Physical info · NEOCC
• (322756) 2001 CK32 at ESA–space situational awareness
  • Ephemerides · Observations · Orbit · Physical Properties · Summary
• (322756) 2001 CK32 at the JPL Small-Body Database
  • Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters