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Hohmann transfer orbit
A space vehicle is in circular orbit about the Earth. The mass of the vehicle is 3000 kg and the radius of the orbit is 2Re = 12 800 km. It is desired to transfer the vehicle to a circular orbit of radius 4Re. 4Re 2Re A B
(a) What is the minimum energy expenditure required for the transfer?
(b) An efficient way to accomplish the transfer is to use a semi-elliptical orbit (known as a Hoh mann transfer orbit), as shown. What velocity changes are required at the points of intersection, A and B?
A description of the product Marks will be awarded for a clear demonstration of an understanding for the use of the MET matrix, a clear product description and using a variety of references resources.
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