Yunkor IX was a planet located within the Yunkor system of the Outer Rim Territories and the site of early testing of the B-wing starfighter. During testing, a single B-wing destroyed a TIE/LN starfighter staging area near the planet.
- Star Wars: X-Wing Tour of Duty: B-Wing (First mentioned)
- X-Wing Collector's CD-ROM: The Official Strategy Guide
- Star Wars Encyclopedia
- The Complete Star Wars Encyclopedia
- The Essential Atlas