Английская Википедия:2012 XE133
Шаблон:Use dmy dates Шаблон:Infobox planet Шаблон:Mp is an asteroid, classified as near-Earth object of the Aten group that is a temporary co-orbital of Venus.[1]
Discovery, orbit and physical properties
Шаблон:Mp was first observed on 12 December 2012 by J. A. Johnson working for the Catalina Sky Survey. As of March 2013, it has been observed 102 times with a data-arc span of 28 days. It is an Aten asteroid and its semi-major axis of 0.72 AU is very similar to that of Venus but its eccentricity is rather large (0.4332) and its inclination of 6.7° is also significant. With an absolute magnitude of 23.4, it has a diameter of approximately 62 to 138 meters. On 26 November 2020 it has been recovered and has now a well established orbit with an uncertainty parameter of 3.Шаблон:Citation needed
Quasi-satellite dynamical state and orbital evolution
Шаблон:Mp has been identified as a Venus co-orbital following a transitional path between Venus's Lagrangian points Шаблон:L5 and Шаблон:L3.[1] Besides being a Venus co-orbital, this asteroid is also a Mercury grazer and an Earth crosser. Шаблон:Mp exhibits resonant (or near-resonant) behavior with Mercury, Venus and the Earth.[1] Its short-term dynamical evolution is similar to that of two other Venus co-orbitals, Шаблон:Mpl and Шаблон:Mpl.[1]
Potentially hazardous asteroid
Шаблон:Mp was included in the Minor Planet Center list of Potentially Hazardous Asteroids (PHAs) because it comes to within 0.05 AU of Earth periodically,Шаблон:Citation needed but it has since been removed. It will approach Earth at 0.0055 AU (and the Moon at 0.0045 AU) on 30 December 2028.Шаблон:Citation needed
See also
Notes
- Шаблон:Note label This is assuming an albedo of 0.25–0.05.
References
- 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.
- AstDys-2 on 2012 XE133 Retrieved 2013-02-20
External links
- Шаблон:Mp data at MPC
- List of Potentially Hazardous Asteroids (PHAs)
- Шаблон:NeoDys
- Шаблон:ESA-SSA
- Шаблон:JPL small body
Шаблон:Small Solar System bodies Шаблон:Authority control
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- Английская Википедия
- Aten asteroids
- Minor planet object articles (unnumbered)
- Discoveries by the Catalina Sky Survey
- Venus-crossing asteroids
- Earth-crossing asteroids
- Venus co-orbital minor planets
- Astronomical objects discovered in 2012
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