| Instrument | Status/
Accuracy | Instrument Description | Measurement Technology | Timeline |
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 | |
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 | |
OLCI
Ocean and Land Colour Imager | Operational
| Marine and land services. | 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 | |
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 | |
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 | |
NIR-SWIR
Multi-spectral Optical Camera - Near & Short Wave Infrared | Approved
| Ocean Colour - Open ocean, coastal & in-land waters. Atmospheric corrections | 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 | |