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Jeffrey T. Elder


Click on the titles below to find US government-authored or -collected reports written by Jeffrey T. Elder

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Optimal Impulse conditions for Deflecting Earth Crossing Asteroids JUN 97 114 pages
Authors:  Jeffrey T. Elder; NAVAL POSTGRADUATE SCHOOL MONTEREY CA
The full text of this report is available for sale.An analysis of the effects of small impulses on Earth impacting asteroids is presented. The analysis is performed using a numerical routine for an exact, two body, analytic solution. The solution is based on two dimensional, two body, Earth intersecting elliptical orbits. Given the asteroid eccentricity, time prior to impact and impulse magnitude and direction, an analysis of impulse to minimum separation distance is generated. Impulse times prior to impact ...


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