Neptune I   ☉0.32AU   ☀105312 W/m²
O₂    CO₂    CH₄    N₂
biosphere report

Neptune II   ☉1.02AU   ☀10365 W/m²
O₂    CO₂    CH₄    N₂
biosphere report

Neptune III   ☉4.92AU   ☀445 W/m²
O₂    CO₂    CH₄    N₂
biosphere report

Neptune IV   ☉6.82AU   ☀231 W/m²
O₂    CO₂    CH₄    N₂
biosphere report

Neptune V   ☉9.12AU   ☀129 W/m²
O₂    CO₂    CH₄    N₂
biosphere report

Neptune VI   ☉11.82AU   ☀77 W/m²
O₂    CO₂    CH₄    N₂
biosphere report

Neptune VII   ☉13.42AU   ☀59 W/m²
O₂    CO₂    CH₄    N₂
biosphere report