planets with wormholes attached to them show -1 as distance from home planet and is automatically set to the lowest allegiance.
Oh wow, I've never thought to check for that before...
Good find! for you!
Edit: Actually, could you make a post real quick? It doesn't let me (or I can't find the option) give you karma on the OP.
Edit edit: Nvm, found it.
There are many great features available to you once you register, including:
Sign in or Create Account
for you!