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Astronomy

Exoplanet Habitability Calculator

Estimate an exoplanet's effective surface temperature and habitability based on its host star and orbital parameters. Use this when evaluating whether a discovered or hypothetical planet could support liquid water.

Fill in the required fields to see your result.
Astronomy

Exoplanet Habitable Zone Calculator

Estimate the inner and outer boundaries of a star's habitable zone based on its luminosity, spectral type, and a planet's mass. Use it when assessing whether a known exoplanet could support liquid water on its surface.

Fill in the required fields to see your result.

Key differences

Exoplanet Habitability CalculatorExoplanet Habitable Zone Calculator
CategoryAstronomyAstronomy
Inputs required43
ResultSurface Temperature (Kelvin)Optimal Habitable Distance (AU)
What it doesEstimate an exoplanet's effective surface temperature and habitability based on its host star and orbital parameters. Use this when evaluating whether a discovered or hypothetical planet could support liquid water.Estimate the inner and outer boundaries of a star's habitable zone based on its luminosity, spectral type, and a planet's mass. Use it when assessing whether a known exoplanet could support liquid water on its surface.