Orsimo Enoris System Quadrant Delta, Sector 146CW Perseus Arm, The Alliance
It is one of the "Core Worlds" of the Alliance, an eden to be envied, the capital city of Omoa is home to the Senate Dome, the Presidential Apartments and Star Command Headquarters, as well as being the place where dozens of mega-corporations have their main offices.
During the survey of the planet in the 23rd century the planet was nicknamed "Porthos" by the crew of the Odyssey. During the first survey of the planet Dr Hugo Pauvert made first contact with the B'ra'Sha.
Orsimo was the B'ra'Sha designation for the planetOrsimo was featured as the central planet on the front cover of The First Encounter.
One of the biggest tourist attractions in the Core Worlds is the First Contact Memorial.
The planet has three moons, at least one of which is colonised and has cities on it.
Commodore (ret.) Ling Qingzhao Chen lived here in 314AE.