Graham Swinerd has over thirty years of experience in spacecraft orbit design and analysis and in the design of spacecraft. He also has many years of experience as an engineer, both in industry, working for a number of years at British Aerospace Space Systems, and as a lecturer of spacecraft engineering at Southampton University, supervising project undergraduate and postgraduate research students. He has some 60 technical papers published in refereed journals, and numerous conference papers. He is also principal editor, and contributing author, of an award winning standard textbook in spacecr...