Lagrange points

E645103
Lagrange point celestial mechanics concept orbital mechanics concept

Lagrange points are specific positions in space where the gravitational forces of two large bodies and the orbital motion of a smaller object balance so that the smaller object can remain in a stable or semi-stable location relative to the two larger bodies.

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Observed surface forms (6)

Surface form Occurrences
Lagrange point 2
L1 0
L4 0

Statements (47)

Predicate Object
instanceOf Lagrange point ⓘ
celestial mechanics concept ⓘ
orbital mechanics concept ⓘ
alsoCalled collinear Lagrange point ⓘ
collinear Lagrange point ⓘ
collinear Lagrange point ⓘ
triangular Lagrange point ⓘ
triangular Lagrange point ⓘ
appliesTo restricted three-body problem ⓘ
characterizedBy balance of gravitational and centrifugal forces ⓘ
enables Lissajous orbits NERFINISHED ⓘ
halo orbits ⓘ
field astrodynamics ⓘ
astronomy ⓘ
physics ⓘ
firstDescribedBy Joseph-Louis Lagrange NERFINISHED ⓘ
firstDescribedIn 1772 ⓘ
formsShape equilateral triangle with two massive bodies ⓘ
equilateral triangle with two massive bodies ⓘ
governedBy Newtonian gravity ⓘ
rotating reference frame dynamics ⓘ
hasApplication Earth–Moon system NERFINISHED ⓘ
Earth–Sun system NERFINISHED ⓘ
Sun–Jupiter system NERFINISHED ⓘ
hasDefinition position in a three-body system where gravitational and centrifugal forces balance ⓘ
hasMember L1 ⓘ
L2 ⓘ
L3 NERFINISHED ⓘ
L4 ⓘ
L5 NERFINISHED ⓘ
hasQuantity five distinct points ⓘ
namedAfter Joseph-Louis Lagrange NERFINISHED ⓘ
positioned at 60 degrees ahead of secondary body in its orbit ⓘ
at 60 degrees behind secondary body in its orbit ⓘ
on line connecting two massive bodies ⓘ
on line connecting two massive bodies ⓘ
on line connecting two massive bodies ⓘ
requires third body of negligible mass ⓘ
two massive bodies ⓘ
stabilityType conditionally stable equilibrium ⓘ
conditionally stable equilibrium ⓘ
unstable equilibrium ⓘ
unstable equilibrium ⓘ
unstable equilibrium ⓘ
usedIn satellite positioning ⓘ
space mission design ⓘ
space observatory placement ⓘ

Referenced by (4)

Full triples — surface form annotated when it differs from this entity's canonical label.

Newtonian celestial mechanics → explains → Lagrange points ⓘ
Lissajous orbit → isRelatedTo → Lagrange points ⓘ
this entity surface form: Lagrange point
Lissajous orbit → orbitsAround → Lagrange points ⓘ
this entity surface form: Lagrange point
Jacobi integral → relatedTo → Lagrange points ⓘ