The Simoom system, a star system found within the Senex-Juvex's Senex sector of the galaxy's Mid Rim and Western Reaches regions, was linked to the Hestria system via a hyperlane. It encompassed the planet Simoom, the original homeworld of the creatures called Simoomian sensory hounds. These creatures were a popular export of numerous noble families residing in the Senex and Juvex sectors.