This University of Bristol YouTube video shows the difference between Earth Centered Earth Fixed and Earth Centered Inertial Reference Frames for orbit modelling. The modelling was performed at and funded by the Aerospace Engineering Department of the University of Bristol, UK.
MIT OpenCourseWare Space Systems Engineering Graduate Course
Prof. Edward Crawley and Prof, Olivier de Weck's graduate course from 2007 presenting space systems engineering through design of ground and space...