Pronunciation: (SELT-sin)
Location: Perseus Arm, Kehle Branch, Sector o13
Empire: Alyaen empire
Radius: 4,277 miles
Surface Area: 230M square miles
Volume: 328B cubic miles
Circumference: 26,870 miles

• 5,570,499,511: Celtsin is forged by Kajen, the astral smith
• 5,586,084,121: The planets of the Celtsin star system are formed by Qijen, the planetary smith
• 5,586,128,364: Planetary oceans in the Celtsin star system are formed by Namu, Sura of the seas
• 5,592,262,739: Fungal and plant life spread to the Celtsin star system
• 5,592,593,600: Animal life spreads to the Celtsin star system

• Celtsin I
• Celtsin II
• Celtsin Prime
• Celtsin IV

Radius: 1,582 miles
Surface Area: 31M square miles
Volume: 17B cubic miles
Circumference: 9,943 miles

Radius: 1,155 miles
Surface Area: 17M square miles
Volume: 6.5B cubic miles
Circumference: 7,256 miles

Radius: 1,882 miles
Surface Area: 45M square miles
Volume: 28B cubic miles
Circumference: 11,824 miles

Radius: 1,754 miles
Surface Area: 39M square miles
Volume: 23B cubic miles
Circumference: 11,018 miles