// equilibrium points

Lagrange Points

Every two-body system has five Lagrange points, equilibrium positions where a small third object experiences zero net force (in a rotating frame).

Speed 1x Show Potential Triangle

SYSTEM DATA

System -

Mass ratio M₁/M₂ -

μ = M₂/(M₁+M₂) -

L1 position -

L2 position -

L4/L5 stable -

Orbital period -

The Sun's gravity and Earth's orbital motion create five Lagrange points. L2 is where JWST operates. L1 is used for solar monitoring satellites.