Their residence is near Stargate. In 1998 to let people more Satedans settle on their planet after losing their world. The people were led once again by a king but was killed in a revolution against him and then took a local General power and led the people to peace. In 2009 had they been told several different worlds had been attacked by the Wraith and they suspected their world would be attacked by Queen Death. Atlantis expedition promised to help them defend their world. (SGA: "Legacy: Homecoming")