The critical inclination in artificial satellite theory

Details The critical inclination in artificial satellite theory The critical inclination in artificial satellite theory

Dec 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986cemec..39..365c&link_type=abstract

Celestial Mechanics (ISSN 0008-8714), vol. 39, no. 4, 1986, p. 365-406.

Mathematics

31

Attitude (Inclination), Orbit Perturbation, Orbital Mechanics, Satellite Orbits, Angular Momentum, Branching (Mathematics), Circular Orbits, Kepler Laws

Scientific paper

Certain it is that the critical inclination in the main problem of artificial satellite theory is an intrinsic singularity. Its significance stems from two geometric events in the reduced phase space on the manifolds of constant polar angular momentum and constant Delaunay action. In the neighborhood of the critical inclination, along the familiy of circular orbits, there appear two Hopf bifurcations, to each of which there converge two families of orbits with stationary perigees. On the stretch between the bifurcations, the circular orbits in the planes at critical inclination are unstable. A global analysis of the double forking is made possible by the realization that the reduced phase space consists of bundles of two-dimensional spheres. Extensive numerical integrations illustrate the transitions in the phase flow on the spheres as the system passes through the bifurcations.

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