Sea and Land Surface Temperature Radiometer (SLSTR)
SLSTR |
Sea and Land Surface Temperature Radiometer |
Satellites |
Sentinel-3 A and B |
Status |
Being developed – To be utilised in the period 2012 to ~ 2020 |
Mission |
Multi-purpose VIS/IR imagery, with emphasis on very accurate surface temperature for climate |
Instrument type |
9-channel VIS/IR radiometer with dual viewing directions for accurate atmospheric corrections |
Scanning technique |
Conical oblique, with cross-nadir swath of 1675 km, fore-viewing swath of 750 km |
Coverage/cycle |
From 24 h (IR channels in cross-nadir swath, to 4 days (SW channels in dual viewing) |
Resolution (s.s.p.) |
IFOV: 0.5 km for short-wave channels, 1.0 km for thermal IR |
Resources |
Mass: … kg - Power: … W - Data rate: … Mbps |
Central wavelength |
Bandwidth |
Radiometric accuracy (NEΔT or SNR) |
0.555 µm |
20 nm |
20 @ 0.5 % albedo |
0.659 µm |
20 nm |
20 @ 0.5 % albedo |
0.865 µm |
20 nm |
20 @ 0.5 % albedo |
1.375 µm |
15 nm |
20 @ 0.5 % albedo |
1.61 µm |
60 nm |
20 @ 0.5 % albedo |
2.25 µm |
50 nm |
20 @ 0.5 % albedo |
3.74 µm |
380 nm |
0.08 K @ 270 K |
10.85 µm |
900 nm |
0.05 K @ 270 K |
12.0 µm |
1000 nm |
0.05 K @ 270 K |