T'lli Beta
T'lli Beta was an inhabited planet in the T'lli Beta system. This was the homeworld of the T'lli Betans. 

In 2367, the  was en route to T'lli Beta 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)

Tlli Beta
Homeworlds