The Kaminar system was an inhabited planetary system located outside of Federation space as of 2257. The system consisted of the primary and six planets, including Kaminar, homeworld to the warp-capable Ba'ul and the pre-warp Kelpiens.
In 2257, the USS Discovery picked up a third red burst indicating the presence of the Red Angel near Kaminar, in the Kaminar system. Joann Owosekun and R.A. Bryce brought up displays of the system during the mission. (DIS: "The Sound of Thunder")