1994•Biblioteca Digital da Memória Científica do INPE (National Institute for Space Research)Requires access
SCD1: One year in orbit
J. Kono, Carlos Eduardo Santana
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Abstract
The first Brazilian satellite, the Data Collecting Satellite (SCD1), is a Low Earth Orbit spin stabilized satellite for real time reception and retransmission of data on the environment. The SCD1 was launched in its 25 degree inclination orbit at 750 km altitude on February 9th, 1993, by a Pegasus launch vehicle. This paper presents an evaluation of the in-orbit performance of the SCD1 satellite based on the analysis of its telemetry, which has been recorded since the first orbit. An analysis of the SCD1 performance in its first year of operation shows that the satellite design lifetime of one year can be extended by at least one year.