Minimum energy asteroid reconfigurations and catastrophic disruptions |
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Authors: | Daniel J. Scheeres |
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Affiliation: | Department of Aerospace Engineering Sciences, University of Colorado at Boulder, 429 UCB, Boulder, CO 80309-0429, USA |
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Abstract: | Dramatic alteration of an asteroid's morphology need not involve high energy impacts between bodies. Simple sunlight shining on an asteroid can, through the YORP effect, cause it to undergo dramatic reconfigurations, fission into a binary asteroid or, in some cases, even undergo a catastrophic disruption with the asteroid losing a large fraction of its initial mass. This paper discusses the system level constraints and conditions for these reconfigurations to occur for a body modeled as a collection of rigid bodies as its spin rate changes. |
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Keywords: | Asteroid Rubble pile YORP Catastrophic disruption |
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