Atmosphere: Breathable (42.1% nitrogen, 21.0% oxygen, 18.8% argon, 18.0% water vapor, 0.1% carbon dioxide, trace other gases)
Atm Pressure: Moderate (0.94 atm)
Gravity: Moderate (1.03 g)
Hydrosphere: 38% ice, 91% water
Kaiyo is an oceanic world in the Takami-Musubi System. It is dotted with many small islands.