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Asteroid Redirection Mission Evaluation Using Multiple Landers
Institute for Aerospace Studies, University of Toronto.
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Space Technology. Institute for Aerospace Studies, University of Toronto.ORCID iD: 0000-0003-4977-6339
2018 (English)In: The Journal of the astronautical sciences, ISSN 0021-9142, Vol. 65, no 2, p. 183-204Article in journal (Refereed) Published
Abstract [en]

In this paper, a low-thrust tugboat redirection method is assessed using multiple spacecraft for a target range of small near-Earth asteroids. The benefits of a landed configuration of tugboat spacecraft in formation are examined for the redirection of a near-Earth asteroid. The tugboat method uses a gimballed thruster with a highly collimated ion beam to generate a thrust on the asteroid. The target asteroid range focuses on near-Earth asteroids smaller than 150 m in diameter, and carbonaceous (C-type) asteroids, due to the volatiles available for in-situ utilization. The assessment focuses primarily on the three key parameters, i.e., the asteroid mass redirected, the timeframe for redirection, and the overall system cost. An evaluation methodology for each parameter is discussed in detail, and the parameters are employed to determine the expected return and feasibility of the redirection mission. The number of spacecraft employed is optimized along with the electrical power needed for each spacecraft to ensure the highest possible return on investment. A discussion of the optimization results and the benefits of spacecraft formation for the tugboat method are presented.

Place, publisher, year, edition, pages
Springer, 2018. Vol. 65, no 2, p. 183-204
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Research subject
Onboard space systems
Identifiers
URN: urn:nbn:se:ltu:diva-67476DOI: 10.1007/s40295-017-0125-5ISI: 000433125400003Scopus ID: 2-s2.0-85047416164OAI: oai:DiVA.org:ltu-67476DiVA, id: diva2:1179860
Note

Validerad;2018;Nivå 2;2018-05-31 (rokbeg)

Available from: 2018-02-02 Created: 2018-02-02 Last updated: 2018-06-14Bibliographically approved

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Bazzocchi, Michael C. F.Emami, M. Reza

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