. I am always wondering at what temperature and pressure on a planet that gasses would condensate or freeze at. As I mentioned before, the partial atm pressures of gasses list on the info tab already take this into account and the numbers you see are still the real amounts in the atmosphere. No need to calculate a new, different percentage based on temperature of the planet.
What you need is a simple Phase Diagram for each of the gasses. Pressure on one side, temperature on the other axis. Or you can try to find an online calculator for such, but I haven't found an easy one yet. Here is an insanely complicated software program than might be able to do gas phase calculations for very low atms. PHREEQC
Here is an interactive gas phase chart for CO2: CO2 phase chart
Io, the innermost of the four Galilean moons orbiting Jupiter, is the most geologically active body in the solar system. Its surface is covered with a frost of solid SO2. The atmospheric pressure on Io is 10–7 atm and the surface temperature is between 90 and 110 K (–183 to –163 °C). Here is an SO2 phase diagram. (I don't know what the red dots mean).
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