Here some images to help for who interesting about Satellite Motion.

Reference:-

[url=http://www.physicsclassroom.com/class/circles/u6l4c.cfm]http://www.physicsclassroom.com/class/circles/u6l4c.cfm[/url]

[url=http://dean-olmstead.com/more]http://dean-olmstead.com/more[/url]

[url=http://www.satmotion.ru/en/module1/module1_1.html]http://www.satmotion.ru/en/module1/module1_1.html[/url]

[url=http://en.wikipedia.org/wiki/Orbit]http://en.wikipedia.org/wiki/Orbit[/url]