This mod lets you build two starbases in wormholes instead of one.

It should work with any mod that does not change the "PlanetWormhole" file. it is for Trinity 1.37.

Installation paths

Vista & 7
C:\Users\[username]\AppData\Local\Ironclad Games\Sins of a Solar Empire\...

XP
C:\Documents and Settings\[username]\Local Settings\Application Data\Ironclad Games\Sins of a Solar Empire\...