Chiri was detected in the early Interplanetary Age, and after the Technocalypse was the target of a slow-moving Generation Ship, the Endurance, which left Solsys in 710 a.t. and was due to arrive in 2795 a.t.. However during this period much faster ships from the First Federation and the Eridanus League had overtaken them, and the system was already colonised. Following a mutiny, the colonists on board the Endurance chose not to decelerate on arrival, and the generation ship continued past Beta Canum Venaticorum and into deep space.
Around half the colonists from the Endurance were transferred to fast-moving Conversion Drive vessels and taken to join the colony on the third planet, known as Chiri. This large Arean-type world was in the process of being terraformed.
The arkship Endurance (and the remainder of its population) still continues to travel outwards and is now more than a hundred light years from its original destination.