Sigma-SR2 is a star system of the Milky Way Galaxy that is in Synthetic controlled space. It was a part of at least four encounters with the Yagnyar force as of 2573. It was the site of the Battle of Siam, as well as part of the Journey of 2532 and two other encounters involving the Synthetics. It has Seven planets; 3 being uninhabitable, 3 being habitable and 1 being a gas giant along with one dwarf planet. The Star of the system is blue in colour signifying old age, and is also much hotter than that of the sun. It is unknown as of yet how far the system is from sol.