Statistics – Applications
Scientific paper
Oct 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990aete.sympq..27k&link_type=abstract
Presented at the 1st Brazilian Symposium of Aerospace Technology, Sao Jose dos Campos, Brazil, 27-31 Aug. 1990
Statistics
Applications
Applications Programs (Computers), Artificial Satellites, Orbit Calculation, Program Verification (Computers), Brazil, Brazilian Space Program, Satellite Tracking
Scientific paper
The objective was to test, analyze, and assess the orbit determination (OD) system software developed for the first Brazilian satellite and the Institute of Space Research (INPE). The OD method was based on the weighted least squares differential correction. The testing and analysis of the software was done using the tracking data of three satellites: (1) the GIOTTO (Halley comet encounter mission) of ESA; (2) the BRASILSAT (a Brazilian telecommunications satellite); and (3) the simulated orbits of the first Brazilian satellite. In order to have a better assessment of the software, various test cases with different combinations of perturbation models were chosen. The results obtained in all the test cases for the first two satellites were in very good agreement with those obtained by owner organizations, and the results obtained in the last case were satisfactory.
Kuga Helio Koiti
Rao Kondapalli Rama
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