Sybaron system

The Sybaron system is a star system located towards the rimward edge of the Federation.

The system was uninhabited but several of the fifteen planets were suitable for colonization. Of the planets in the system the inner four where class D or F. The fifth was a class K planet. The next threee were class G or H. The ninth to thirteenth planets were class J planets and the outer two were class D planets. 

In 2374, the Starfleet Seventh Fleet engaged Dominion forces in the system that resulted in heavy losses to the Starfleet force. (: "A Magnificent View")