Glossary
Space Trajectories. Three-Body Problem

Points de libration ou de Lagrange ; libration or Lagrange points

Dynamic equilibrium points of the restricted circular three-body problem.

Cross (or Richardson) frame; Cross (or Richardson) frame

Rotating marker linked to bodies with origin at barycenter (or point L ₁ or L ₂ ).

Jacobi constant; Jacobi constant

First integral of the restricted circular three-body problem.

Hill region; Région de Hill

Accessible region depending on the value of the Jacobi constant.

Lissajous orbit; Lissajous orbit

Non-closed three-dimensional orbit in the vicinity of collinear points.