M3R-428
From The Stargate Omnipedia
Planet in the Pegasus Galaxy reported to be unpopulated. An unused Stargate orbits in space. This Stargate was considered for Atlantis's gate harvesting program.
DETAILS
HOME TO - Uninhabited
FIRST APPEARED - N/A
KEY EPISODE
Irresistible - Sheppard reports that an unused Stargate has been found in orbit of M3R-428.