作者: Jack Wisdom
DOI: 10.1007/BF01230429
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摘要: The solution by Sessin and Ferraz-Mello (Celes. Mech.32, 307–332) of the Hori auxiliary system for motion two planets with periods nearly commensurate in ratio 2∶1 is considerably simplified introduction canonical variables. An analogous transformation simplifies elliptic restricted problem.