The new supplement for Rogue Trader is now available from Fantasy Flight Games:
Stars of Inequity is a guide to crafting encounters and experiences within the vast realm of the Koronus Expanse. It features the World Generator, a system that allows for the rapid generation new regions of space and the individual worlds within them, as well as rules and inspiration for challenges in unique locales on these worlds. These rules are designed to help Game Masters and players journey together off of the beaten path, and into the unknown.
Link: Fantasy Flight Games