The Addison System was a star system in the Verge of the Solarian League.
It was thirty-eight light-years from the Seraphim System.
In July of 1922 PD, Damien Harahap was forced to leave the Mesan Alignment fast personnel transport Факел in the system and book passage to Seraphim on a Krestor Interstellar short haul transport due to heightened tensions between the Mendoza of Córdoba-Krestor Interstellar partnership that dominated Seraphim and the Oginski Group. (SI4)