JPL has conducted a study on how to design future miniaturized star trackers. The study proposes an ultra-low power (70 mW), ultra-low mass (42 grams) and very fast (50 Hz) Micro, APS-based Star Tracker (MAST). The accuracy of the MAST will be /spl sim/7.5 arcseconds at 50 Hz update rate. The MAST is indispensable to all low mass and power micro/nano spacecraft where mass and power is a concern. The MAST consists of only two chips-a breakthrough CMOS Active Pixel Sensor (APS) image detector optimized for star tracker applications and an ASIC chip including an I/sup 2/C interface, memory and an 8051 microcontroller. MAST has functionality so it outputs pixel data from small windows and the spacecraft computer performs the processing.


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    Title :

    Micro APS based star tracker


    Contributors:
    Liebe, C.C. (author) / Alkalai, L. (author) / Domingo, G. (author) / Hancock, B. (author) / Hunter, D. (author) / Mellstrom, J. (author) / Ruiz, I. (author) / Sepulveda, C. (author) / Pain, B. (author)


    Publication date :

    2002-01-01


    Size :

    1054766 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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