ORBITAL ELEMENTS
The most up-to-date elements for satellite tracking from US Space Command: http://www.space-track.org
The following files are distributed by T.S.Kelso http://www.celestrak.com
Important Notice: please read carefully this message about future availability of TLE data at Celestrak:
To download: shift button and click on link (for Netscape) or click the right mouse button and choose "Save as..." (both Netscape and Explorer)
Alternatively you can use the following links...
The following files are distributed by D.Ransom http://www.dransom.com
Choose the file tle###.txt with ### being the highest number (i.e. the last file)
The following links belongs to Nasa Human Spaceflight http://www.spaceflight.nasa.gov/spacenews/index.html
Invaluable to predict ISS and Space Shuttle orbital positions during space manoeuvres