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  • Setellite Technology Research Center 1
  • Setellite Technology Research Center 2
  • Setellite Technology Research Center 3
  • Setellite Technology Research Center 4
    The sky is the limit STSAT - KAIST Setellite Technology Research Center
    STSAT-1
    STSAT-1

    ∎ STSAT-1

    Launched in September 27, 2003, STSAT-1 was the first Korean astronomical satellite, building on the experience gained through the KITSAT projects to optimize small satellite technology and attempt astronomical observation.

    STSAT-1 used a stabilized bus system to carry out far-ultraviolet spectrography, space physics, and remote data collection missions to take space environment measurements and explore terrestrial life forms. Using the Far-ultraviolet IMaging Spectrograph (FIMS), jointly developed with NASA, STSAT-1 mapped the distribution of hot gas in the galaxy, revealing key evidence on the evolution of the galaxy.

    The successful launch and operation of STSAT-1 holds great meaning as it demonstrated the ability to carry out scientific missions on a small satellite and yielded world-class observation data.


    Objectives
    - To carry out world-class scientific observation using a small satellite
    - To develop and test leading core technologies
    - To observe space and earth through far-ultraviolet imaging spectrography
    - To conduct particle detection experiments to investigate the auroral mechanism
    Key Specifications
    Orbit 690 km circular Sun-synchronous Orbit
    Size 665x551x830 mm
    Weight 106 kg
    Power Rating Max. 180 W
    Attitude Control Method 3-axis stabilization, < 0.2 deg pointing accuracy
    Communication
    (Transfer Speed)
    VHF-band Uplink (148 MHz frequency band) : 9600bps
    UHF-band Downlink (401 MHz frequency band) : 9600bps
    S-band Uplink: 9600bps
    S-band Downlink: 38400bps
    Main Computer KASCOM(80960)
    Payloads Far-ultraviolet IMaging Spectrograph(FIMS)
    Space Physics Package(SPP)
    - Solid-State Telescope(SST)
    - Electro-Static Analyzer(ESA)
    - Langmuir Probe(LP)
    - Scientific Magnetometer(SM)
    Data Collection System(DCS)
    Narrow Angle Star Sensor(NAST)