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Satellite User Readiness Navigator (SATURN)

Preparing for the next generation of meteorological satellites

ELECTRO-L N2 Instrument Performance

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The Electro-L N2 payload is similar to the one of the Electro-L N1 satellite

MSU-GS instrument (Multichannel scanning unit – Geostationary)  Basic Characteristics

Parameter

Value
Number of channels

  • VIS
  • IR
 10 3 7
Spectral range at half maximum of spectral response function (μm) 0.5-0.65;  0.65-0.80;  0.8-0.9;  3.5-4.0; 5.7-7.0;  7.5-8.5;  8.2-9.2;  9.2-10.2; 10.2-11.2;  11.2-12.5
Image frame (deg x deg) 20 ± 0.5 x 20 ± 0.5
HRIT spatial resolution at sub-satellite point (km) 1.0 (VIS); 4.0 (IR)
S/N ratio for VIS channels ≥ 200
NEΔT at 300K                 (K)

  • in the band         3.5-4.0 μm
  • in the band         5.7-7.0 μm
  • in the band         7.5-12.5 μm
 0.8 0.4 0.1-0.2
Power (W)  ≤150
Mass (kg) ≤ 88
Scan period:  – regular mode (full Earth disk)  – frequent mode (fragments of the Earth disk)   30 min 15 min