Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aiaa.conf...14a&link_type=abstract
IN: 1992 AIAA/AAS Astrodynamics Conference, Hilton Head Island, SC, Aug. 10-12, 1992, Technical Papers (A92-52051 22-13). Washin
Astronomy and Astrophysics
Astronomy
1
Aerodynamic Coefficients, Eccentric Orbits, Orbit Perturbation, Orbital Elements, Space Debris, Drag, Elliptical Orbits, Equations Of Motion, Lift
Scientific paper
The atmospheric perturbations due to the aerodynamic lift and orthogonal force were included in the Gauss' form of the variational equations. These additional perturbations are relevant to orbital objects with high ratio of surface area to mass, especially flat particles. The equations for the orbital elements were averaged and expanded in a small eccentricity. The analytical formulation in this paper is applicable to the general case of orbiting aerodynamical bodies while the numerical results emphasize the particular case of flat particles. The results indicate that although the drag is the dominant force, the nondissipative additional forces cannot be neglected. The additional perturbations mostly contribute periodic terms in addition to secular terms especially in eccentric orbits and in the case of periodic aerodynamic coefficients.
Ashenberg Joshua
Broucke Roger A.
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