A graduate level textbook and a ready reference for the professional, this classic text covers every basic aspect of orbital mechanics, from celestial relationships to the problems of space debris. Additional content is available for download by clicking the "Supplemental Materials" link on the right side of this web page. Materials include: HW Solutions, which presents a range of viewpoints and guidelines for solving selected problems in the text; Orbital Calculator, which provides an interactive environment for the generation of Keplerian orbits, orbital transfer maneuvers, and animation of ellipses, hyperbolas, and interplanetary orbits; and Orbital Mechanics Solutions.