· Adrian Perez-Portero · Mission  · 1 min read

³Cat-3

The third satellite in the lab's CubeCat series

³Cat-3 Photo

Key Details

  • Type: 6-Unit CubeSat
  • Mass: ~10 kg
  • Mission Status: Phase A (preliminary analysis)
  • Planned Launch: 2020
  • Sponsors:
    • Institut Cartogràfic I Geològic de Catalunya (ICGC)
    • Institut d’Estudis Espacials de Catalunya (IEEC)

Mission Purpose

Feasibility study for a small-satellite mission with multispectral imaging payload, conducted for the Cartographic and Geologic Institute of Catalonia.

³Cat-3 Sponsors

System Characteristics

On-Board Computer

  • Processor: ARM Cortex A5 @ 500 MHz
  • Operating System: Embedded RTOS Linux (Xenomai)

Communications

  • UHF: Half duplex, 9600 bps (uplink/downlink)
  • S-band: High-speed downlink (>4 Mbps)

Scientific Payload (Multispectral Camera)

  • Spectral Bands:
    • 440-510 nm
    • 520-590 nm
    • 620-680 nm
    • 690-730 nm
    • 850-890 nm
  • Swath: 30-50 km
  • Ground Sample Distance: 5-10 m
  • Signal-to-Noise Ratio: 35-40 dB
  • Digitalization: 12 bits/pixel

Orbit Characteristics

  • Average Time Gap: 3 days or less
  • Revisit Time: 7-10 days
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