P2M-903
From The Stargate Omnipedia
Planet of refuge while the Goa'uld Baal, or one of his cloned copies, brainwashed members of the Jaffa High Council. Baal's Ha'tak sat perched on a pyramid near a hillside, visible one half mile from the Stargate. Baal established a perimeter of ground troops and two cannons to defend the landed mothership from forces who might arrive through the Stargate.
The pyramid, guarded by at least two Jaffa, contained a transport rings platform for entry into the ship.
DETAILS
HOME TO - Uninhabited
FIRST APPEARED - Stronghold
KEY EPISODE
Stronghold - Bra'tac tracks Ka'lel's movements to P2M-903.