Gravitational Force & Orbit Calculator

Compute universal gravitational attraction (F = G m1m2/r²) and circular orbital speeds around celestial bodies.

Gravitational Attraction (F = G·m₁m₂/r²)
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G = 6.67430 × 10⁻¹¹ N·m²/kg²

How to Use

  1. Enter the mass 1, mass 2 and distance.
  2. Select Gravitational Force to view the gravitational attraction (f = g·m₁m₂/r²).