Orbital distance: 1.3 AU
Orbital period: 1.2 years
Radius: 6046 km
Atmospheric pressure: 0.47 atmospheres
Surface temperature: 18C
Phostaan is largely barren, but its atmosphere is theoretically capable of producing rainfall. Powerful localized storms could appear as often as three or four times a year.
Composition: Liquid water
Length: 2285 km
A violent and recent rainstorm must have occurred to create this river. The water will be absorbed or evaporated soon.