Frostfeld II

Ice World
Frozen outer world. Surface temperature cold enough to crystallize atmospheric gases. Crimson scouts mapped it once and never returned.
The thermometer barely climbs above minus two hundred here, and the entire planetary surface is locked beneath kilometers of water ice—a sight I've witnessed before on Glaciera Prime, though somehow no less humbling for the repetition. What caught my attention, however, was the peculiar stratification visible in the exposed cliff faces near the equatorial fractures: distinct bands of frozen methane and nitrogen ices layered like some cosmic geological cake, suggesting a far more dynamic atmospheric history than Frostfeld II's current lifeless state would indicate. I've marked three promising drill sites for the survey team; if there's any subsurface geothermal activity beneath all this frozen silence, we might find something worth the bureaucrats' attention back at Station Zephyr.
— Captain Vex Moreau, Explorer's Guild Field Journal
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Radius 7821 km
Mass 1.15 M⊕
Surface Gravity 0.83 g
Temperature 92 K (-181°C)
Atmosphere 0.010 atm — Trace O2
Day Length 28.2 hours
Orbital Period 4.8 years
Orbital Distance 2.83 AU