Lagrange point

== English == === Alternative forms === Lagrangian point === Etymology === Named after Joseph Louis Lagrange, who discovered the points L4 and L5, building on earlier work by Leonhard Euler, and in 1772 published an essay on the three-body problem. === Noun === Lagrange point (plural Lagrange points) (astrophysics, orbital mechanics) A point in an orbital configuration of a two-body system where a small object affected only by gravity can theoretically be stationary relative to the two larger objects. ==== Synonyms ==== (astrophysics): L-point ==== Hypernyms ==== (astrophysics): libration point ==== Hyponyms ==== (astrophysics): Trojan point ==== Derived terms ==== (astrophysics): Lagrangian, Lagrangian asteroid, Lagrangian moon, Lagrangian planet ==== Related terms ==== (astrophysics): L1, L2, L3, L4, L5 ==== Translations ==== ==== See also ==== (astrophysics): barycenter