| Instrument | Status/
Accuracy | Instrument Description | Measurement Technology | Timeline |
Advanced GOCI
Advanced Geostationary Ocean Colour Imager | Operational
| Ocean colour information, coastal zone monitoring, land resources monitoring. | Multi-purpose imaging Vis/IR radiometer |  |
ETM+
Enhanced Thematic Mapper Plus | Operational
| Measures surface radiance and emittance, land cover state, and change (e.g., vegetation type). Used as multi-purpose imagery for land applications. | n/a | |
HSI-2 (HJ-2A)
Hyper Spectrum Imager 2 | Operational
| Hyperspectral measurements for environment and disaster management operations. | Multi-purpose imaging Vis/IR radiometer | |
MERSI
Medium Resolution Spectral Imager | Operational
| Measurement of vegetation indexes and ocean colour. | Multi-purpose imaging Vis/IR radiometer | |
MERSI-2
Improved Medium Resolution Spectral Imager | Operational
| Measurement of vegetation indexes and ocean colour. | Multi-purpose imaging Vis/IR radiometer | |
MERSI-LL
Medium Resolution Spectral Imager - Low-Light | Operational
| Measurement of vegetation indexes and ocean colour. | Multi-purpose imaging Vis/IR radiometer | |
MERSI-S
Improved Medium Resolution Spectral Imager - Simplified | Operational
| Measurement of vegetation indexes and ocean colour. | Multi-purpose imaging Vis/IR radiometer | |
MISR
Multi-angle Imaging SpectroRadiometer | Operational
| Measurements of global surface albedo, aerosol and vegetation properties. Also provides multi-angle bidirectional data (1% angle-to-angle accuracy) for cloud cover and reflectances at the surface and aerosol opacities. Global and local modes. | n/a | |
MODIS
MODerate-Resolution Imaging Spectroradiometer | Operational
| Data on biological and physical processes on the surface of the Earth and in the lower atmosphere, and on global dynamics. Surface temperatures of land and ocean, chlorophyll fluorescence, land cover measurements, cloud cover (day and night). | n/a | |
OCM (Oceansat-3)
Ocean Colour Monitor (Oceansat-3) | Operational
| Ocean colour data, Estimation of phytoplankton concentration, identification of potential fishing zones, assessment of primary productivity. | n/a | |
OLCI
Ocean and Land Colour Imager | Operational
| Marine and land services. | n/a | |
OLI
Operational Land Imager | Operational
| Measures surface radiance, land cover state, and change (e.g., vegetation type). Used as multi-purpose imagery for land applications. | n/a | |
OLI-2
Operational Land Imager 2 | Operational
| Measures surface radiance, land cover state, and change (e.g., vegetation type). Used as multi-purpose imagery for land applications. | n/a | |
SGLI
Second-generation Global Imager | Operational
+/-100 % | Medium resolution multi-spectral imaging of land, ocean and atmosphere. SGLI-VNR is an optical sensor capable of multi-channel nadir observation at wavelengths from near-UV to NIR and forward or backward polarization observation at red and near infrared wavelengths (Push-broom scanning). SGLI-IRS is an optical sensor capable of multi-channel nadir observation at wavelengths from SWIR to TIR wavelengths (Cross-track scanning). | n/a | |
SSTM-1 (Oceansat-3)
Sea Surface Temperature Monitor-1 | Operational
| TIR and OCM combination will support joint analysis for operational potential fishing zones. | Multi-purpose imaging Vis/IR radiometer | |
VIIRS
Visible/Infrared Imager Radiometer Suite | Operational
| Global observations of land, ocean, and atmosphere parameters: cloud/weather imagery, sea-surface temperature, ocean colour, land surface vegetation indices. | Multi-purpose imaging Vis/IR radiometer | |
GLIMR Instrument
Geosynchronous Littoral Imaging and Monitoring Radiometer (GLIMR) | Being developed
| GLIMR will make observations of rapidly evolving phytoplankton dynamics and hazards such as Harmful Algal Blooms (HABs) and oil spills in the Gulf of Mexico and other selected coastal regions of North and South America | Multi-purpose imaging Vis/IR radiometer | |
GSA (1)
Hyperspectral imaging equipment | Being developed
| Land surface monitoring | n/a | |
OCI
Ocean Color Instrument | Being developed
| Ocean color slit-grating imaging spectrometer/radiometer for measuring top of atmosphere reflectance which is used to estimate ocean leaving light that contains information on biological components plus aerosol and cloud propertiesl | n/a | |
MERSI-3
Improved Medium Resolution Spectral Imager - 3 | Approved
| Measurement of vegetation indexes and ocean colour. | Multi-purpose imaging Vis/IR radiometer | |
VIS-NIR
Multi-spectral Optical Camera - Visible & Near Infrared | Approved
| Ocean Colour - Open ocean, coastal & in-land waters. | n/a | |
LandIS
Landsat Next Instrument Suite | Proposed
| Measures surface radiance, land cover state and change (e.g., vegetation type), and longwave termal infrared surface emittance. Used as multi-purpose imagery for land applications. | n/a | |
HISUI
Hyperspectral Imager Suite | No longer considered
| Global energy and resource related applications - Exploration of oil, gas, and metal resources - Environmental assessments of oil/gas fields and mines. Other applications such as environmental monitoring, agriculture, and forestry. Instrument was considered as a part of ALOS-3. | n/a | |