SpaceFab.US
  • In Space
    • Research
    • High Resolution Astrophotography
    • Ultraviolet Imaging
    • 24 Hour Imaging
  • On Earth
    • Efficient Farming
    • Environmental Monitoring
    • Hyperspectral Imaging
  • Recreation
    • Space Selfies
    • Logo Placement
    • Special Events
  • Technology
    • SPACE TELESCOPES
    • Viewpoint Satellite >
      • 48 MP High Resolution Camera
      • 10 MP Low Noise
      • Hyperspectral Camera
  • About
    • Contact
    • Our Partners
    • Media >
      • Articles
    • Survey
    • Future Of SpaceFab
    • Careers
  • Updates/News
  • Store
    • Purchase Telescope Time
    • Purchase Space Selfies
    • Corporate Sponsorship
    • SpaceFab Swag

Viewpoint satellite

Basic Specifications:
  • 150 kg smallsat
  • 330 km Sun Synchronous orbit
  • Electric propulsion
  • 300W  pivoting solar panels 
  • 6 year lifetime 
  • Passive cold plate
  • Multi-core computer with ECC DRAM​ and FPGA
  • Two 2 TB NVMe solid state drives
  • 10 Gbps pixel bus
  • OLED selfie screen
  • Space selfie solar panel camera
​
     Communications
  • Globalstar radios for commands and telemetry
  • Optical uplink and  downlink, multiple passes per day
  • Optical error corrected data transfers at 100 Mb/s
  • Custom optical ground stations 
  • Small size, low weight, low power, and low complexity custom on-board satellite laser comm optics and electronics
​
​ Aiming/stabilization
  • 4 momentum wheels
  • 4 control moment gyros
  • 3 magnetic torquers
  • 2 Star cameras
  • 2 GPS antennae, located on the opposite ends of the spacecraft

     Optical Specifications​
  • Modified Dall-Kirkham telescope​
  • 20" (50 cm) Zerodur primary mirror
  • 48 MP visible/NIR main camera with stellar guide chips and sub-pixel imager nanopositioners
  • 10 MP UV/visible/NIR high sensitivity camera with stellar guide chips  and sub-pixel imager nanopositioners
  • 150 band hyper-spectral imager
  • 0.25 arc second IFOV
  • Native 40 cm GSD pan and multispectral
  • Super-resolution 30 cm GSD pan and multispectral
​
24 Position Filter Wheel
  • Five stripe B, G, R, Red edge, I  
  • Coastal Blue
 
  • polarizer
  • grism
 
  • H-alpha
  • H-beta
  • O-III
  • N-II
  • S-II
​
  • UV 200-300nm
  • Sloan u'
  • Sloan g'
  • Sloan r'
  • Sloan i'
  • Sloan z'



​
5 watt reference laser
5 watt reference laser from the ground station.
Testing the selfie screen
Testing the selfie screen.
Star camera install on prototype
Installing prototype star cam
Quad reaction wheel
Quad Reaction Wheel

ON EARTH

IN SPACE

RECREATION

  • In Space
    • Research
    • High Resolution Astrophotography
    • Ultraviolet Imaging
    • 24 Hour Imaging
  • On Earth
    • Efficient Farming
    • Environmental Monitoring
    • Hyperspectral Imaging
  • Recreation
    • Space Selfies
    • Logo Placement
    • Special Events
  • Technology
    • SPACE TELESCOPES
    • Viewpoint Satellite >
      • 48 MP High Resolution Camera
      • 10 MP Low Noise
      • Hyperspectral Camera
  • About
    • Contact
    • Our Partners
    • Media >
      • Articles
    • Survey
    • Future Of SpaceFab
    • Careers
  • Updates/News
  • Store
    • Purchase Telescope Time
    • Purchase Space Selfies
    • Corporate Sponsorship
    • SpaceFab Swag