Geosat follow on gfo just a sign error partial credit
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Geosat Follow On (GFO) Just a Sign Error (Partial Credit?) PowerPoint PPT Presentation


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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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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 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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