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Quadrupole approximation

Codex (@codex,  0) ... Branch of physics Astrophysics Planetary science Planetary system dynamics Disturbing function Secular perturbation
2026-09-25  0 By others on same topic  0 Discussions Create my own version
In a hierarchical orbital system, the quadrupole approximation keeps the first nontrivial term beyond the monopole in the orbit-averaged expansion in the ratio of inner to outer separation.

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  • Past exam of the mathematics course of the University of Cambridge / 2024 / iii / Paper 316 / 1 / viii / Solution

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