Fictional planet from the TV series, Battlestar Galactica an …
Prior to the First Cylon War, Canceron was a very overpopulated and poor colony. Canceron's major cities such as Hades and Mangala were known to have large slums. Its large population earned Canceron the nickname "The Largest Democracy" within the colonies, though some believed the government was nothing more than a corrupt Oligarchy.
During the Cylon attack, Canceron is hit with at least three nuclear devices. One of the passenger liners within the fleet, Pyxis, is one of the last ships that escapes this world when the began. Aboard is the Number Six copy Shelly Godfrey (TRS: "The Plan").
Robin Wenutu is the Canceron delegate to the first Quorum of Twelve after the Fall.
Taken from the Battlestar Wiki