P2A-270
From The Stargate Omnipedia
Planet the Stargate switched to immediately following a massive focused explosive detonation to escape a target lock on P3W-451. This likely indicates P2A-270 is in close proximity to P3W-451.
DETAILS
HOME TO - Unknown
FIRST APPEARED - N/A
KEY EPISODE
A Matter of Time - The Earth Stargate jumps to P2A-270, following a time-dilation trap, to escape the carnage of a black hole.