T'lli Beta system
The T'lli Beta system was an inhabited planetary system. An inhabited planet in this system, T'lli Beta, was the homeworld for the T'lli Betans. 

In 2367, the  was en route to the T'lli Beta system before it was ensnared by the gravitational pull of a cosmic string fragment which a group of two-dimensional beings were attempting to enter. ()

In 2371, the location of T'lli Beta was labeled in the star chart Data and Picard were studying in stellar cartography aboard the . (, okudagram)

External link 
 

nl:T'lli Beta systeem
Star systems