BackForwardInstrument:  LSTM 

Instrument details
Acronym LSTM
Full name Land Surface Temperature Monitoring
Purpose To monitor evapotranspiration through the variability of Land Surface Temperature; and (complementary) to map soil composition and other variables.
Short description VIS/NIR/SWIR/TIR radiometer with up to 24 channels, 11 for the primary mission (6 VNIR + 5 TIR), 13 for the secondary mission [see details below]
Background Follow-on of the Sentinel-3 SLSTR (Sea and Land Surface Temperature Radiometer).
Scanning Technique Cross-track mechanical scanning, swath 600-700 km.
Resolution 30-50 m at s.s.p.
Coverage / Cycle Global coverage in 2 days.
Mass Power Data Rate

 

Providing Agency ESA
Instrument Maturity Flown on an R&D satellite
Utilization Period: 2029 to 2038
Last update: 2023-06-15
Detailed characteristics

Channel

Wavelength

Bandwidth

SNR @ reference input L or NEΔT

VNIR-0

0.490 µm

65 nm

162 @ 128.00 W m-2 sr-1 µm-1

VNIR-1

0.665 µm

30 nm

142 @ 108.00 W m-2 sr-1 µm-1

VNIR-2

0.865 µm

20 nm

100 @ 52.38 W m-2 sr-1 µm-1

VNIR-3

0.945 µm

20 nm

114 @ 8.77 W m-2 sr-1 µm-1

SWIR-1

1.380 µm

30 nm

100 @ 6.00 W m-2 sr-1 µm-1

SWIR-2

1.610 µm

90 nm

133 @ 4.00 W m-2 sr-1 µm-1

TIR-1

8.6 µm

0.18/0.30 µm

0.1/0.15 K @ 300 K

TIR-2

8.9 µm

0.18/0.30 µm

0.1/0.15 K @ 300 K

TIR-3

9.2 µm

0.18/0.30 µm

0.1/0.15 K @ 300 K

TIR-4

10.9 µm

0.40 µm

0.1/0.15 K @ 300 K

TIR-5

12.0 µm

0.47 µm

0.1/0.15 K @ 300 K

TIR-S1

8.2 µm

0.20 µm

0.1/0.15 K @ 300 K

TIR-S2

9.1 µm

0.20 µm

0.1/0.15 K @ 300 K

TIR-S3

8.63 µm

0.10 µm

0.1/0.15 K @ 300 K

TIR-S4

12.63 µm

0.10 µm

0.1/0.15 K @ 300 K

TIR-S5

7.5 µm

0.1/02 µm

0.1/0.15 K @ 300 K

TIR-S6

12.2 µm

0.1/02 µm

0.1/0.15 K @ 300 K

TIR-S7

9.0 µm

0.10 µm

0.1/0.15 K @ 300 K

TIR-S8

9.8 µm

0.10 µm

0.1/0.15 K @ 300 K

TIR-S9

10.5 µm

0.1/0.2 µm

0.1/0.15 K @ 300 K

TIR-S10

10.95 µm

0.1/02 µm

0.1/0.15 K @ 300 K

TIR-S11

12.3 µm

0.1/0.2 µm

0.1/0.15 K @ 300 K

TIR-S12

9.3 µm

0.1/0.2 µm

0.1/0.15 K @ 300 K

TIR-S13

9.53 µm

0.1/0.2 µm

0.1/0.15 K @ 300 K
Satellites this instrument is flying on

Note: a red tag indicates satellites no longer operational, a green tag indicates operational satellites, a blue tag indicates future satellites

Instrument classification
  • Earth observation instrument
  • Passive optical radiometer or spectrometer
  • High resolution optical imager
WIGOS Subcomponents
  • Subcomponent 1
  • IR dual-angle view imagers
  • IR dual-angle view imager
Mission objectives
Primary mission objectives
  • Fraction of vegetated land
  • Integrated Water Vapour (IWV)
  • Land cover
  • Land surface topography
  • Photosynthetically Active Radiation (PAR)
  • Soil type
  • Vegetation type
Evaluation of Measurements