If you want to SEE 13,000 satellites in real time and find out what is in your area, check here:
http://www.gearthblog.com/satellites.html 
Zoom into your location and see what is above you at any time
It is sooooooo accurate. I check it's accuracy regularly and it is spot on.
I see the satellite about to travel over me in the the map, then I go outside and watch it go by
But apart from all these 13,000 satellites there is also a few thousands pieces of space junk, dead satellites, and extra-terrestrial flotsam everywhere.
As far as what you describe, I have seen this phenomenon often. Mine has always been a Geo-Stationary satellite that never seems to move, but if you watch it flash for long enough (hours) you can see that it does move with Earth, not the stars.