The study of the dynamics of satellites has a unique fascination for student and lecturer alike. It is not only a logical subject explainable by the few basic principles of mechanics, but has contributed so extensibly to the formulation of mechanics in the first place, and is still continuing to do so. With the launching of Sputnik I on October 4, 1957, engineers have entered the field for good, and the study of the dynamics of spacecraft is taking its rightful place as a subject within engineering mechanics. The primary purpose of the present text is to acquaint engineering students with the...