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Geosat Follow On (GFO) Just a Sign Error (Partial Credit?)

Geosat Follow On (GFO) Just a Sign Error (Partial Credit?). Three-axis stabilized (MWs), single solar array with 1-axis articulation, hydrazine thrusters for orbit maintenance, 370 kg Launched Feb 10, 1998 on Taurus Spacecraft tumbled instead of achieving correct attitude

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Geosat Follow On (GFO) Just a Sign Error (Partial Credit?)

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  1. Geosat Follow On (GFO)Just a Sign Error (Partial Credit?) • Three-axis stabilized (MWs), single solar array with 1-axis articulation, hydrazine thrusters for orbit maintenance, 370 kg • Launched Feb 10, 1998 on Taurus • Spacecraft tumbled instead ofachieving correct attitude • Study of telemetry and the eqsof motion led to conclusion that momentum and torque were in the wrong direction • Uploaded corrected tables • Within hours, satellite was sun-pointing within 0.02° with rates of less than 0.006°/s

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