Tartarus System
From The Stargate Omnipedia
Yellow dwarf star system containing the planet Tartarus, a world with at least one moon and original home of the Kull warriors. The moon is perfect for evading sensor readings from Anubis's facility, located on the planet's surface.
KEY EPISODE
Evolution, Part 2 - Carter, Teal'c, Bra'tac and Jacob/Selmak travel to the Tartarus system and conceal themselves behind one of the moons to avoid detection.