The Cron system was in Auril sector. During the Old Republic era, it contained the Kemplex IX jump station and a cluster of ten stars. It was destroyed during the Great Sith War through the designs of Krath sorceress Aleema Keto, and the result was the creation of the Cron Drift.
- Tales of the Jedi: The Sith War 2: The Battle of Coruscant (First mentioned)
- Tales of the Jedi: The Sith War 4: Jedi Holocaust (First appearance)
- The Complete Star Wars Encyclopedia (See "Kemplex Nine")