Orbital distance: 15.7 AU
Orbital period: 114.1 years
Radius: 5751 km
Atmospheric pressure: 32.05 atmospheres
Surface temperature: -270C
Seas of liquid helium cover this strange world, reliably boiling whenever the temperature rises.
Surface area: 30 million km
Composition: 84% helium
Helium freezes only at incredibly low temperatures and under severe pressure. In certain rare and intriguing circumstances, Pas-15 provides both.