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Low-energy capture of asteroids onto KAM tori

Verrier, Patricia and McInnes, Colin (2015) Low-energy capture of asteroids onto KAM tori. Journal of Guidance, Control and Dynamics, 38 (2). pp. 330-334. ISSN 1533-3884

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Abstract

We present a new method for engineering the artificial capture of asteroids. Based on theories of the chaos-assisted capture of natural satellites of the giant planets, we show how an unbound asteroid that passes close to a regular region of phase space can be easily moved onto the nearby KAM tori and essentially permanently captured with the Earth's Hill sphere without closing the zero velocity curves. The method has the advantages of a relatively low delta-v requirement and no need for control strategies. An illustration of the method is given for an example asteroid trajectory, demonstrating that it is a viable strategy for the final capture stage of asteroids in the Earth's neighbourhood.