The Pilot homeworld is the planet of origin of the Pilot species. At least one small part of it contains a rocky, mountainous terrain capable of misty conditions, possibly implying high water content.
This world is also the original home of Moya's second Pilot.
In the comic, it is revealed that Doien have a sun with a ring around it. And the planet is said to be covered in marshlands and wetlands, with some plants and trees, it is also one of the planets where levaithans can actually land on. It is also mentioned the location moya’s pilot went to before leaving the planet with Velorek is refereed as the high lagoon.