A recommended entry reconstruction process for the Pioneer Venus multi-probe mission

Details A recommended entry reconstruction process for the Pioneer Venus multi-probe mission A recommended entry reconstruction process for the Pioneer Venus multi-probe mission

Nov 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978stin...7912125f&link_type=abstract

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Computer Science

Atmospheric Entry, Computer Programs, Pioneer Venus Spacecraft, Trajectory Optimization, Accelerometers, Doppler Effect, Error Analysis, Telemetry

Scientific paper

A method for determining the entry trajectories for the Pioneer Venus multi-probe mission is presented that utilizes earth based Doppler and onboard accelerometry as observables to provide updates for the spacecraft state and atmospheric parameters. The evolution of this method, based on error analyses and actual simulation results, is discussed. A derivative of the Viking radio science orbit determination software is recommended for the reconstruction. Telemetry data pre-processing requirements were defined. A cubic spline derivative routine is recommended to extract accelerations from the accumulated velocity decrements.

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