Pronunciation: (EYE-oon)
Location: Galactic Core, Sector h10
Empire: Zeolen empire
Radius: 4,706 miles
Surface Area: 278M square miles
Volume: 437B cubic miles
Circumference: 29,570 miles

• 4,834,400,638: Out of the firey explosion of Kajen's birth, Ioun is born
• 4,965,152,253: The planets of the Ioun star system are formed by Qijen, the planetary smith
• 4,965,165,478: Planetary oceans in the Ioun star system are formed by Namu, Sura of the seas