Tatoo system / Legends The Tatoo system , also known as the Tatooine system and formerly known as Tri - planetary system J11 . 9 , contained the planet Tatooine , which orbited its twin suns , Tatoo I and Tatoo II . It was located in the Arkanis sector . Description . Tatoo system was a binary star system located at the crossroads of the Triellus Trade Route and the Old Corellian Run in the Arkanis sector of the Slice ' s Outer Rim segment . The system formed around the G - type stars Tatoo I and Tatoo II , and contained Tatooine , its moons Ghomrassen , Guermessa and Chenini , the gas giants Ohann and Adriana , and their seven moons . The twin suns of the Tatoo system caused premature aging in Humans on Tatooine . History . Early history . Some early explorers thought the first planet of the system to be a third star , because of it blazing light reflected by its sodium - rich deserts . Tatooine had a strong presence in the Force , which led the Infinite Empire of the Rakata to the Tatoo system . The collapse of their empire in 25 , 200 BBY caused the system to be left alone for some millennia . The Galactic Republic explored the segment of the Slice wherein this system was located during the Great Manifest Period and the Indecta Era . By 1004 BBY , the nearby region belonged to the Brotherhood of Darkness , including Hutt Space , a large region of the known galaxy controlled by the Hutt species . After the Seventh Battle of Ruusan in 1000 BBY , the system remained in Hutt control until the reign of the Galactic Empire . Galactic Civil War . In 0 BBY during the Galactic Civil War , Senator Leia Organa acquired the plans of the DS - 1 Orbital Battle Station , simply known as the Death Star . In the Tatoo system , the " Imperial I " - class Star Destroyer " Devastator " captured the CR90 corvette " Tantive IV " , which was carrying the plans to the Alliance to Restore the Republic . Princess Organa placed the plans in an R2 - series astromech droid and ordered him to carry them to former Jedi General Obi - Wan Kenobi . R2 - D2 rode a Class - 6 escape pod with the protocol droid C - 3PO to the planet Tatooine . After being captured by a clan of the native junk - trader Jawas , and bought by the moisture farmer Owen Lars , the droids met with Kenobi . Meanwhile , the stormtroopers of the Desert Sands tracked the droids and killed the Jawas and the Larses . Luke Skywalker , orphaned nephew of Lars , joined Kenobi in his quest to carry the plans to Alderaan . In Mos Eisley , they hired Captain Han Solo and Chewbacca , crew of the YT - 1300 light freighter " Millennium Falcon " . This ship breached the blockade of Tatooine and left for Alderaan with the plans . In 1 ABY , a Moff put the Tatoo system under Imperial curfew . Ackmena , the bartender of Mos Eisley Cantina on Tatooine , received the message and reluctantly reponded by singing to her patrons to leave . During the Galactic Civil War the system changed hands several times : its region was taken from the New Republic by the Empire during the Thrawn campaign , but was left after the Grand Admiral ' s death . Legacy era . Later the space around the Tatoo system was controlled by the Galactic Alliance , until the Sith – Imperial War 127 – 130 ABY , when the Fel Empire conquested much of the known galaxy , but was quickly replaced by Darth Krayt ' s Sith Empire . Behind the scenes . The Tatoo system was first mentioned in the of " " , ghostwritten by Alan Dean Foster and published in 1976 . Despite the twin suns appearing nearly identical in size in many sources , others show one star as being significantly larger than the other . The game " " shows an asteroid field right outside or near Tatooine , and " Star Wars Galaxies " shows an asteroid field near Tatooine . This field appears in no other official sources .