Recent content by PNW Guy

Check out the example problems "Mathematics of Satellite Motion". Several of the variable have to be known in order to solve the equations. Also, check out this link to answer your second question. Go to the "Orbit Manuevers" section to see the maths. Click on the embedded links for example...

It's pretty simple. ;) https://www.physicsclassroom.com/class/circles/Lesson-4/Mathematics-of-Satellite-Motion