The Submillimeter Wave Astronomy Satellite (SWAS) was successfully launched on December 6, 1998 at 00:58 UTC. The two year mission is the fourth in the series of Small Explorer (SMEX) missions. SWAS is dedicated to the study of star formation and interstellar chemistry. SWAS was injected into a 635 km by 650 km orbit with an inclination of nearly 70 deg by an Orbital Sciences Corporation Pegasus XL launch vehicle. The Flight Dynamics attitude and navigation teams supported all phases of the early mission. This support included orbit determination, attitude determination, real-time monitoring, and sensor calibration. This paper reports the main results and lessons learned concerning navigation, support software, star tracker performance, magnetometer and gyroscope calibrations, and anomaly resolution. This includes information on spacecraft tip-off rates, first-day navigation problems, target acquisition anomalies, star tracker anomalies, and significant sensor improvements due to calibration efforts.


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    Titel :

    Submillimeter Wave Astronomy Satellite (SWAS) Launch and Early Orbit Support Experiences


    Beteiligte:
    Kirschner, S. (Autor:in) / Sedlak, J. (Autor:in) / Challa, M. (Autor:in) / Nicholson, A. (Autor:in) / Sande, C. (Autor:in) / Rohrbaugh, D. (Autor:in)

    Kongress:

    Flight Mechanics ; 1999 ; Greenbelt, MD, United States


    Erscheinungsdatum :

    01.01.1999


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch




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