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abstraction > mathematical concept > geometrical object > point > coordinate > rotating coordinate > Lagrangian point

Lagrangian point
subject			fact

Lagrangian point	has equilibrium stable or unstable
	has location a point in the orbital plane of the system
	has definition One of five points in the orbital plane of two massive particles in circular orbits around a common center of gravity, where a third particle of negligible mass can remain in equilibrium.
	is a kind of rotating coordinate
rotating coordinate	has frame of reference rotating reference frame
coordinate	has component coordinate component
point	has dimensions 0

Kinds of Lagrangian point :

• stable Lagrangian point (2 kinds, 9 facts)
• unstable Lagrangian point (3 kinds, 12 facts)