The Pact Worlds
Source Player Core pg. 30
The Pact Worlds form the core of the Starfinder setting. “The Pact Worlds” is the formal name for the united planets orbiting lost Golarion's sun and their more distant allied worlds, including Pulonis in Near Space. After a short-lived interplanetary war with the Veskarium threatened their home system, the Pact Worlds united by signing the Absalom Pact and creating the Stewards, a mutual defense force dedicated to defending the system from outside threats and enforcing their treaty.
The united worlds are Absalom Station, Aballon, Castrovel, Akiton, Verces, the Diaspora, Eox, Triaxus, Dykon, Kalo-Mahoi, Marata, Liavara, and Bretheda. The Idari—a starship—is counted among their number, as is Pulonis, a planet in the Ghavaniska system that was formerly occupied by the Veskarium.
What's left of Aucturn, a planet destroyed by the birth of a god, floats among the field of ice and haunted space junk ringing the system's outskirts, called the Gelid Edge.
The united worlds are Absalom Station, Aballon, Castrovel, Akiton, Verces, the Diaspora, Eox, Triaxus, Dykon, Kalo-Mahoi, Marata, Liavara, and Bretheda. The Idari—a starship—is counted among their number, as is Pulonis, a planet in the Ghavaniska system that was formerly occupied by the Veskarium.
What's left of Aucturn, a planet destroyed by the birth of a god, floats among the field of ice and haunted space junk ringing the system's outskirts, called the Gelid Edge.