Planetary approach orbit determination using earth-based short and long baseline radio interferometry

Details Planetary approach orbit determination using earth-based short and long baseline radio interferometry Planetary approach orbit determination using earth-based short and long baseline radio interferometry

Aug 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992asdy.conf.1039t&link_type=abstract

IN: Astrodynamics 1991; Proceedings of the AAS/AIAA Astrodynamics Conference, Durango, CO, Aug. 19-22, 1991. Pt. 2 (A92-43251 18

Computer Science

Performance

Interplanetary Spacecraft, Orbit Calculation, Spacecraft Orbits, Spacecraft Trajectories, Very Long Base Interferometry, Deep Space, Earth-Mars Trajectories, Nasa Space Programs, Trajectory Control

Scientific paper

This paper describes an investigation and comparison of the approach-phase orbit determination performance of delta-Very Long Baseline Interferometry (delta VLBI) and Connected Element Interferometry (CEI) data types when used in conjunction with conventional two-way Doppler data. Simulated data sets containing Doppler plus delta VLBI data and Doppler plus CEI data are used to calculate approximate orbit determination accuracy statistics for representative approach trajectories drawn from future robotic missions to Mars and Jupiter. The results illustrate the theoretical performance of CEI data acquired from short (20 km) baselines relative to that obtained with delta VLBI using the intercontinental baselines currently available within the NASA/JPL Deep Space Network.

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