Planet settled by the Sodan roughly five thousand years ago after the young dissident group failed to locate Kheb.
The world was once an Ancient settlement and is still defended by an active Ancient transporter device. When used properly the transporter can send an individual countless kilometers through the Mountains of Dor Tanak to the Sodan settlement.
HOME TO - Sodan
FIRST APPEARED - Babylon
Babylon - After Teal'c hears reports of the location of the Sodan from his former enemies, SG-1 and SG-22 visit P9G-844 to determine the validity of the claims.
The Fourth Horseman, Part 2 - The Prior Damaris returns to the Sodan homeworld to discipline the people for disobeying the Ori, but instead he meets his own demise at the mercy of the prototype Prior inhibitor.