Planet from the Dune series; third planet of Epsilon Alangue, considered by many Zensunni Wanderers as their planet of origin.
A planitia is a low plain. On Titan they are named after lanets from the Dune series of science fiction novels by American author Frank Herbert (1920 - 1986).
Image Source. Marker locations are approximate and may not always appear to align with image on map.