two-body problem

noun

Definition of two-body problem

: the problem of determining the previous or subsequent motion and the data for computing the places at any time of two bodies when given the Newtonian law of gravitation and the masses of two bodies with their positions and motions at any moment

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“Two-body problem.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/two-body%20problem. Accessed 17 Jan. 2021.

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