Mir position updated every minute

http://liftoff.msfc.nasa.gov/temp/mir_loc.html

For J-Track 3D, use

http://liftoff.msfc.nasa.gov/RealTime/JTrack/3D/JTrack3D.html

For J-Track, use

http://liftoff.msfc.nasa.gov/realtime/JTrack/Spacecraft.html