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# HW14 - and phasing angle to transfer a spacecraft from the...

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MAE146: Astronautics – Homework Assigned: Friday, February 26 th , 2010 Due date: Wednesday, March 3 rd , 2010, (at the beginning of the lecture) Please justify all of your answers. Write your answer cleanly with sentences and diagrams to explain. Don’t forget to write your name on your copy to receive credit. Problem 1 (5pts): Basic Hohmann Solve problem 6.8, page 376 of textbook (current edition). The problem consists of computing the Δ V and transfer time of a Hohmann transfer between circular orbits with altitude of 300 km and 3000 km . Problem 2 (15pts): Hohmann intercept Solve problem 6.10, page 376-377 of textbook (current edition). The problem consists of computing the transfer time
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Unformatted text preview: and phasing angle to transfer a spacecraft from the Earth to Mars. Problem 3 (10pts): On bi-elliptic transfers Solve problem 6.16 page 379 of textbook (current edition). The problem is about analyzing a particular bi-elliptic when the intermediary radius is at in±nity. Further study: Further reading on bi-elliptic transfers (section 6.4) and studying other transfer would be interesting in general. Chapter 8, section 2, is also relevant for the intercept maneuvers. At this time, however, you should start on the trajectory design for the project. Optional problem (bi-elliptic transfer): Solve problem 6.17 page 380 of textbook (current edition). 1...
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