The Klasse Ephemora system consisted of the star Klasse Ephemora A and the gas giant planet Mobus. It was named after Klasse Ephemora, who discovered it several centuries BBY. The system was located on the far side of the Chiss Ascendancy from the Galactic Core.
- The New Jedi Order: Force Heretic II: Refugee (First mentioned)
- The New Jedi Order: Force Heretic III: Reunion (First appearance)
- The New Jedi Order: The Unifying Force (Mentioned only)