The exact coordinates might not be published anywhere. Guessing may be the best way to go. I would be glad to help you out creating a map with the areas marked.
Here I have added a few TMA areas and some neutral ships to track or be incorporated into a training mission. A simple beginning:
http://pastebin.com/0sCN0rQD
Suggested for use with the RA mod.
Adding too many map lines may cause instability. I'm really not sure what to expect.