This article contains speculation, information which has not been confirmed by a reliable source. The game is still in development, and all information is subject to change.
Alpha Prime was the first human colony outside of the Sol system. Discovered by re-tracing the incoming trajectory of the Firefall asteroid, it was settled in order to mine the great amounts of crystite found there.
Ichizoku City (named after Shigeru Ichizoku) is likely its capital. Little else is known at this time.