Beta Penthe III
Beta Penthe III was the third planet of the Beta Penthe system. This Klingon system was located in Sector 21166, in the Beta Quadrant. 

In 2293, the position and orbital path of Beta Penthe IIII were illustrated on a system map of the Beta Penthe system. The map was from the Starfleet Command Intelligence Database. Along with other pages for the "Operation Retrieve" command briefing, the page with this map was seen in the office of the Federation President on Earth. ( set artwork)

Planets