Specifications

 

Capability SLSTR Specifications
Swath Nadir view > 1,400 km
Oblique view > 740 km
Global Coverage Revisit Times 1 satellite (dual view) 1.9 days (mean)
2 satellites (dual view) 0.9 days (mean)
1 satellite (nadir view) 1 day (mean)
2 satellites (nadir view) 0.5 day (mean)
Spatial Sampling interval at Sub-satellite point (km) VIS-SWIR 0.5 km
IR-Fire 1 km
Spectral channel centre (µm) VIS 0.554 (S1); 0.659 (S2); 0.868 (S3)
SWIR 1.374 (S4); 1.613 (S5); 2.25 (S6)
MWIR/TIR 3.742 (S7); 10.85 (S8); 12.02 (S9)
Fire 1/2 3.742 (F1); 10.85 (F2)
Radiometric Resolution VIS (Albedo =0.5%) Signal-to-Noise Ratio (SNR) > 20
SWIR (Albedo =0.5%) Signal-to-Noise Ratio (SNR) > 20
MWIR (T =270K) NEΔT < 80 mK<
TIR (T=270K) NEΔT < 50 mK
Fire 1 (<500 K) NEΔT < 1 K
Fire 2 (<400 K) NEΔT < 0.5 K
  NEΔT = Noise-Equivalent Temperature Difference
Radiometric Accuracy VIS-SWIR (Albedo = 2-100%) < 2% (Beginning of Life)
<5% (End of Life)
MWIR –TIR
(265 – 310 K)
< 0.2 K (0.1 K goal)
Fire (< 500 K) < 3 K
Design Lifetime   7.5 years

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