Kytos designated P3F-964 of Tau'ri is a planet in Milky Way galaxy which has a Stargate. Kytos orbits a Binary star system. The planet was originally under the control of System Lord Notus and once had a human population of about five hundred years ago. In 2000 that had SG-2 explored Kytos and found some native species. The Pack decided to meet Tau'ri on Kytos to negotiate an alliance between their peoples. Mirris had followed the Pack's fleet to Kytos. (SG1: "Relativity")