The Tonnis system was a star system located in the Tonnis sector of the Inner Rim Territories. It was located in grid square I-9 on the Standard Galactic Grid.[1]
Behind the scenes
The Tonnis system was created to ensure that the empty Tonnis sector from Star Wars Rebels would be listed in "Star Systems of the Galaxy," an appendix published alongside the Star Wars Galaxy Map on StarWars.com[1] on June 24, 2025. Both were written by Jason Fry.[2]
Sources
Star Systems of the Galaxy on StarWars.com (current version) (backup link) (previous version) (First mentioned)