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## Main Question or Discussion Point

I'm working on building a world, and I have established the mass and radius of the planet, as well as its distance from its star and mean surface temp.

I have determined g (10.33 m/s^2) at sea level, and wonder if this plus the mean surface temp is enough to get a rough idea of the atmosphere's total mass & volume?

Can I just "assign" "appropriate" values for mean atmospheric density and atm pressure at sea level, or will those be dependent on other factors?

TIA

B

I have determined g (10.33 m/s^2) at sea level, and wonder if this plus the mean surface temp is enough to get a rough idea of the atmosphere's total mass & volume?

Can I just "assign" "appropriate" values for mean atmospheric density and atm pressure at sea level, or will those be dependent on other factors?

TIA

B