You "will" have an ip address. Go here
http://www.whatismyip.com/ & it will show you your public ip.
Success with satellite connections varies. It often depends on the ISP offering the service. I'd suggest you look thru this following link for clues on how to set up properly:
Connection problems? Check here first! (click on link). And it will explain how to set up your firewall, devices, etc. If you need further help then respond to these questions:
System details - help us to help you (click on link)