Roche Limit Calculator

Calculate the tidal disruption radius

Primary Body Mass Unit

Primary Body Mass

Radius Unit

Primary Body Radius

Secondary Body Density (kg/m³)

Results

Enter values to calculate

Formulas

Rigid body: d = R(2ρM/ρm)^(1/3)

Fluid body: d = 2.44R(ρM/ρm)^(1/3)

Where R is primary radius, ρM is primary density, and ρm is secondary density.

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