Pronunciation: (ree-OOH-gen)
Location: Perseus Arm, Nabhi Branch, Sector f13
Empire: Carragh union
Radius: 4,035 miles
Surface Area: 205M square miles
Volume: 275B cubic miles
Circumference: 25,350 miles

• 6,242,141,907: Ryujhen is forged by Kajen, the astral smith
• 6,250,065,819: The planets of the Ryujhen star system are formed by Qijen, the planetary smith
• 6,250,140,218: Planetary oceans in the Ryujhen star system are formed by Namu, Sura of the seas
• 6,254,735,155: Fungal and plant life spread to the Ryujhen star system
• 6,258,180,324: Animal life spreads to the Ryujhen star system