The 5D-3 spacecraft will operate in a circular sun synchronous orbit with an inclination of 98.7 deg at an altitude of 458 nautical miles. The build of five 5D-3 spacecraft was completed in 1997. The first 5D-3 satellite designated F-16 was launched on October 18, 2003 after six years of storage. The solar array includes ten flat structurally identical solar cell panels. The ten panels are assembled into two five packs that are attached to the solar array boom. Thus the Solar Array for the DMSP 5D-3 Spacecraft is a single axis tracking system. The single axis of tracking is accomplished by rotating the solar array around the boom once per orbit. The rotation of the solar array is such that the solar array is essentially motionless in inertial space. The phasing of the solar array normally is such that the plane of the array neglecting the cant angle is normal to the sun. However, the array can be oriented at an offset angle with a ground command. This feature has been used in the past to allow the solar array to provide shading of the batteries on Flight F-16. This was desired at low sun angles where the vehicle is in full sun.


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    Titel :

    Long term storage of the solar arrays for the defense meteorological satellite program (DMSP) 5D3 spacecraft


    Beteiligte:


    Erscheinungsdatum :

    2006


    Format / Umfang :

    3 Seiten



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch