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Near Earth object modification using gravitational coupling

McInnes, C.R. (2007) Near Earth object modification using gravitational coupling. Journal of Guidance, Control and Dynamics, 30 (3). pp. 870-873. ISSN 0731-5090

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Abstract

It has been well documented that the population of near Earth objects (NEO) poses a terrestrial impact hazard [1-4]. Although current efforts are focused on detecting and cataloging such objects, various schemes for hazard mitigation have been proposed and investigated in some detail [5-15]. Nuclear devices appear attractive for deflecting potentially hazardous NEOs [5], although serious political issues arise concerning the deployment of such devices in space [11]. To overcome such difficulties, a range of nonnuclear options have been proposed. Concepts include focusing solar radiation onto the target asteroid with a large collector and smaller steerable secondary mirror to generate a hot jet of exhaust gas [6,7] or coating the asteroid to alter its albedo, and hence modify the Yarkovsky induced acceleration [8]. Somewhat more conventional approaches center on the use of kinetic energy impacts from either prograde [12,13] or retrograde orbits [9,10], or the use of continuous low thrust to increase the predicted Earth miss distance of the NEO using large solar or nuclear electric vehicles.

Item type: Article
ID code: 6611
Keywords: gravity, space travel, control systems, solar sails, Mechanical engineering and machinery, Motor vehicles. Aeronautics. Astronautics, Applied Mathematics, Control and Systems Engineering, Electrical and Electronic Engineering, Space and Planetary Science, Aerospace Engineering
Subjects: Technology > Mechanical engineering and machinery
Technology > Motor vehicles. Aeronautics. Astronautics
Department: Faculty of Engineering > Mechanical and Aerospace Engineering
Related URLs:
Depositing user: Strathprints Administrator
Date Deposited: 14 Aug 2008
Last modified: 04 Sep 2014 17:47
URI: http://strathprints.strath.ac.uk/id/eprint/6611

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