Effect of diffusely-reflected sunlight on the orbit of LAGEOS

Details Effect of diffusely-reflected sunlight on the orbit of LAGEOS Effect of diffusely-reflected sunlight on the orbit of LAGEOS

Aug 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985gbrp.reptr....r&link_type=abstract

In its Geodyn. Branch Res. Program 5 p (SEE N85-31688 20-46)

Computer Science

Numerical Analysis

Earth Albedo, Lageos (Satellite), Numerical Analysis, Orbit Perturbation, Orbital Mechanics, Radiation Pressure, Reflection, Bouguer Law, Drift Rate, Harmonic Analysis, Orbit Decay, Solar Radiation

Scientific paper

An analytical formalism for computing the force on a satellite due to radiation pressure from sunlight diffusely reflected by the Earth was developed and was applied to Lageos. The albedo problem is important because reflected sunlight significantly perturbs the orbits of satellites with high surface to mass ratios. It is also important to know how reflected sunlight affects the Lageos satellite, even though it is small and dense. In the formalism the Earth is assumed to be a sphere whose surface diffusely reflects sunlight according to Lambert's law. The Lambertian reflection was found to have only a tiny effect on the orbit of Lageos.

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