Lira-ke , designated PZ4-669 by the Tau'ri, was a planet on the Milky Way galaxy. The planet's Stargate is located in the megalopolis of Serquet, the planet's capital.
Not much is known about Lira-ke apart from being the centre and throneworld of Selket's domain on the Milky Way. (RPG: "First Steps: The Stargate Unexplored Worlds Roleplaying Sourcebook")