Analytical TP profiles for a grid of models spanning equilibrium temperatures ~400–2800 K, showing every ~400 K. For each temperature, we show three profiles where the surface gravity is varied: dotted, solid, and dashed lines represent 500, 1000, and 5000 cm s⁻² respectively. Grey dashedline represents the gas transition between CH₄- and CO-dominated atmospheres when chemical equilibrium is assumed.