This is a computer lab for consolidating astronomy based concepts such as Kepler's laws, Universal gravitation, escape velocity and satellite motion. This package includes a powerpoint for introducing Kepler's laws, an excel file with the orbital elements of the planets, and a fill-in-the-blanks document that guides the students through the tasks of the lab. This is a good activity to do in a high school physics class that covers astronomy related topics. It also gives students good experience i