This paper discusses the potential of using the Global Positioning System (GPS) to provide autonomous navigation capability to NASA satellites in the 1980 era. Some of the driving forces motivating autonomous navigation are presented. These include such factors as advances in attitude control systems, onboard science annotation, and onboard gridding of imaging data. Simulation results which demonstrate baseline orbit determination accuracies using GPS data on Seasat, Landsat-D, and the Solar Maximum Mission are presented. Emphasis is placed on identifying error sources such as GPS time, GPS ephemeris, user timing biases, and user orbit dynamics, and in a parametric sense on evaluating their contribution to the orbit determination accuracies.
Autonomous Satellite Navigation with the Global Positioning System
Astrodynamics Specialist Conference ; 1977 ; Jackson Hole, WY, US
1977-09-07
Conference paper
No indication
English
Positioning apparatus and global navigation satellite system, method of detecting satellite signals
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