In classical mechanics, the two-body problem is used to calculate and predict the motion of two massive bodies that are orbiting each other in space. The problem assumes that the two bodies are perfect spheres that never collide with one another and that all external forces are negligible compared to the force of interaction between the two bodies.
In classical mechanics, the two-body problem is used to calculate and predict the motion of two massive bodies that are orbiting each other in space. The problem assumes that the two bodies are perfect spheres that never collide with one another and that all external forces are negligible compared to the force of interaction between the two bodies.
Source: Wikipedia "Two-body problem" · CC BY-SA 4.0
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