Real Time Satellite Tracking: http://www.n2yo.com
They probably have every satellite in the sky listed on this site. Not only that but it's location, and other information such as what it was designed to do, what band it operates on, whether it is geostationary, just about everything you would need to know about a satellite. :)
Also there is: http://www.amsat.org
The Radio Amateur Satellite Corporation, allows for licensed amateur radio operators (HAMs) to participate in space research and communications. So there ya go, get your HAM license and you can legally connect up to these.