Sigma Draconis system

A map of the Sigma Draconis system

Sigma Draconis II was the second planet in the Sigma Draconis system. This was one of six planets in this system that was not classified as M class.

The position and orbital path of Sigma Draconis II was depicted on a system map that was displayed on the main viewscreen of the USS Enterprise bridge in 2268. (TOS: "Spock's Brain")

According to Star Trek: Star Charts (pp. 18, 19, 44) and Stellar Cartography: The Starfleet Reference Library ("Federation Historical Highlights, 2161-2385"), the Sigma Draconis system was located in Sector 004 (Sigma Draconis sector), in the Alpha Quadrant. This was a Federation system in the late 24th century.