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The Satellites

STRV
1A		 EXPERIMENTS POWER ATTITUDE COMPUTERS
STRV
1B		 EXPERIMENTS POWER ATTITUDE COMPUTERS
Launch Vehicle ARIANE      


Specifications

  • Mass 50-53kg
  • Volume 450 x 450 x 450mm
  • Structure Carbon/Peek thermoplastic skinned aluminium honycomb panels
  • Power GaAs body mounted panels, 31 to 33W (BOL)
  • Power storage 46Whr (16 NiCd cells)
  • Attitude control Spin stabilised at 5rpm, magnetorquer control
  • Primary computer MIL-STD-1750 (SOS)
  • Primary RAM 128kBytes SOS RAM
  • Primary ROM 64kBytes SOS ROM, 4kBytes SOS boot PROM
  • Communications ESA TM/TC CCSDS standard, S-band packet TM at 1kbps

    Bus

    • On-Board Data Handling (DRA)
    • Structure and Thermal design (DRA)
    • Power system and Batteries (SSTL)

    Payloads

    • STRV-1a
      • Xenon Plasma Charge Neutraliser(DRA)
      • Cold Ion Detector (DRA/MSSL)
      • Surface Charge Detector (DRA/SIL)
      • Langmuir Probe (DRA)
      • Cosmic Ray & Dosimetry monitor (DRA/UKAEA)
      • Battery Recharge (ESA-ESTEC)
      • Radiation Dose Rate Sensor (DRA/MMS)
      • Atomic Oxygen Effects (DRA/U.of Soton)

    • STRV-1b
      • Cryo-coller/Vibration Suppression (BMDO/JPL)
      • Infra-red Detectors (BMDO/JPL)
      • SEU/radiation monitor (BMDO/JPL)
      • Neural Network Microprocessors (BMDO/JPL)
      • Radiation Environment Monitor (ESA-ESTEC/PSI)
      • Solar Cell Technology (DRA/SSTL)

Small Satellites Home Page


 

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