Opportunities for ballistic soft landing in binary asteroids

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dc.contributor.authorÇelik, Onur
dc.contributor.authorSánchez Cuartielles, Joan Pau
dc.date.accessioned2017-05-17T13:40:44Z
dc.date.available2017-05-17T13:40:44Z
dc.date.issued2017-03-29
dc.description.abstractRemote sensing instrumentation onboard missions to asteroids is paramount to address many of the fundamental questions in modern planetary science. Yet in situ surface measurements provide the “ground truth” necessary to validate and enhance the science return of these missions. Nevertheless, because of the dynamical uncertainties associated with the environment near these objects, most missions spend long periods of times stationed afar. Small landers can be used much more daringly, however, and thus have already been identified as valuable assets for in situ exploration. This paper explores the potential for ballistic landing opportunities enabled by the natural dynamics found in binary asteroid systems. The dynamics near a binary asteroid are modeled by means of the circular restricted three-body problem, which provides a reasonable representation of a standard binary system. Natural landing trajectories are then sought that allow for a deployment from the exterior region and touchdown with minimum local-vertical velocity. The results show that, although landing on the main body of the system would require an effective landing system capable to dissipate excess of energy and avoid bouncing off the asteroid, the smaller companion offers the prospect of simple ballistic landing opportunities.en_UK
dc.identifier.citationOnur Çelik and Joan Pau Sánchez. Opportunities for Ballistic Soft Landing in Binary Asteroids, Journal of Guidance, Control, and Dynamics, Vol. 40, No. 6 (2017), pp1390-1402.en_UK
dc.identifier.cris16257179
dc.identifier.issn0731-5090
dc.identifier.urihttp://dx.doi.org/10.2514/1.G002181
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/11908
dc.language.isoenen_UK
dc.publisherAmerican Institute of Aeronautics and Astronauticsen_UK
dc.rights© 2016 by J. P. Sánchez and O. Çelik. Published by the American Institute of Aeronautics and Astronautics, Inc., with permission. All requests for copying and permission to reprint should be submitted to CCC at www.copyright.com; employ the ISSN 0731-5090 (print) or 1533-3884 (online) to initiate your request. See also AIAA Rights and Permissions www.aiaa.org/randp.
dc.titleOpportunities for ballistic soft landing in binary asteroidsen_UK
dc.typeArticleen_UK

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