J-Track 3D

The download may take a little while.  It loads 500+ satellites.

Warning: This program is computationally intensive.  The faster the computer, the more usable. 

Click HERE to load

Comments - Contacts

Known Bugs:
  • Ground trace does not update.
  • Selecting from "Select" dialog rather than clicking on the Satellite does not update the "Statistics Dialog box".
  • Some satellites mysteriously orbit through the earth.
  • Occasionally "Center" does not work.
Features which are too CPU intense for JAVA:
  • All counties/cities on map
  • Weather patterns
  • All satellites (this out of 9000 active).