Pelorum was an ice planet located somewhere in the Braxant sector of Imperial Space, it's location was known only to the topmost authorities of the Empire and the Chiss Ascendancy, the resource-rich planet was discovered several years prior to the Clone Wars by Chiss expeditionary forces, led by Thrawn, who told only a few individuals of it's location, including his second-in-command, Captain Gilad Pellaeon, former Jedi Danyl Antilles, whose mother was a native of the planet and who later became an Imperial Knight and Baron Soontir Fel, who would later become the Emperor.