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- In orbital mechanics, a libration point orbit (LPO) is a quasiperiodic orbit around a Lagrange point. Libration is a form of orbital motion exhibited, for example, in the Earth–Moon system. Trojan bodies also exhibit libration dynamics. Two varieties of libration point orbits amenable to Lyapunov stability are halo orbits and Lissajous orbits The James Webb Space Telescope (JWST) is in a libration point orbit around the L2 Langrange point of the Sun, and Earth-Moon barycenters. Because libration point orbits are quasiperiodic, the telescope must make frequent small burns to maintain proximity to the L2 point, as part of orbital station keeping, limiting the lifespan of the telescope due to depletion of fuel reserves. Early simulations of the JWST obtained a high confidence in achieving a ten-year operational lifespan before station keeping becomes untenable. (en)
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- 2597 (xsd:nonNegativeInteger)
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- stub author has only the haziest idea how this concept relates to the following exemplars, but the shoe seemed to fit (en)
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- In orbital mechanics, a libration point orbit (LPO) is a quasiperiodic orbit around a Lagrange point. Libration is a form of orbital motion exhibited, for example, in the Earth–Moon system. Trojan bodies also exhibit libration dynamics. Two varieties of libration point orbits amenable to Lyapunov stability are halo orbits and Lissajous orbits (en)
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- Libration point orbit (en)
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