Welcome to OnTrack V 1.1 (Feb 09 2003)
You need to copy and paste the 'Two Line Element' sets you are interested in
over to the textbox below and press then Start Animation.
No empty lines are alowed and the Textarea must start with the Name of a Satellite (Line 0)To load a different data set in this box modify the link information above, and press 'Update TLE Data'.
Tip : use http://www.celestrak.com/NORAD/elements/
The picture you get is assembled and updated roughly every 6 hour. Check also
Note : This does not work all the time.