Love the Star system Fury. Since everyone was harping on the planetary layout I thought I'd be of help instead. Here is a pic describing the Centauri System which is a Trinary star also a link to the source page. With a bit of a tweak you could put all 12 planets in a single system with three viable stars and be darn close to what scientist think might actually exist. This type system also explains why they are so amazed by Kira's discription of our system with its major gas giants.
Alpha Centauri 