Pronunciation: (ee-oo'TAR-ee-hen)
Location: Perseus Arm, Nabhi Branch, Sector g13
Empire: Carragh union
Radius: 3,110 miles
Surface Area: 122M square miles
Volume: 126B cubic miles
Circumference: 19,540 miles

• 6,229,192,893: Io'tarihen is forged by Kajen, the astral smith
• 6,250,510,946: The planets of the Io'tarihen star system are formed by Qijen, the planetary smith
• 6,250,586,180: Planetary oceans in the Io'tarihen star system are formed by Namu, Sura of the seas
• 6,254,035,062: Fungal and plant life spread to the Io'tarihen star system