The effect of atmospheric drag on position and velocity errors of orbiting spacecraft

Details The effect of atmospheric drag on position and velocity errors of orbiting spacecraft The effect of atmospheric drag on position and velocity errors of orbiting spacecraft

Jan 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987aiaa.meett....r&link_type=abstract

AIAA, Aerospace Sciences Meeting, 25th, Reno, NV, Jan. 12-15, 1987. 9 p. NASA-supported research.

Physics

Aerodynamic Drag, Position Errors, Satellite Orbits, Spacecraft Motion, Velocity Errors, Error Analysis, Orbital Position Estimation, Planetary Orbits, Space Navigation

Scientific paper

A model, in closed form, of position and velocity changes due to atmospheric drag of a spacecraft in orbit about a planetary body is presented, considering primarily the effects of a two-body force field. Calculations for both elliptical and circular geometries indicate that the simplifying assumptions in the analysis make the theory more accurate (to less than 1 percent error) for lengthier mappings, when the drag effect becomes quite significant. The downtrack error demonstrates a quadratic growth, while the radial error demonstrates a linear growth.

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