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| Optical, Spectroscopic, and Infrared Remote Imaging System | |
|---|---|
| Name | Optical, Spectroscopic, and Infrared Remote Imaging System |
| Type | Remote sensing instrument |
| Operator | National Aeronautics and Space Administration, European Space Agency, Japan Aerospace Exploration Agency |
| Country | United States; France; Japan; United Kingdom |
| Launched | Various missions (see Development History and Operational Deployments) |
| Applications | Earth observation; planetary science; astronomy; environmental monitoring |
Optical, Spectroscopic, and Infrared Remote Imaging System The Optical, Spectroscopic, and Infrared Remote Imaging System is a class of multi-sensor instruments designed for remote imaging across visible, ultraviolet, and infrared bands. It integrates optical imagers, spectrometers, and thermal detectors to support missions in Earth observation, Mars Reconnaissance Orbiter, Cassini–Huygens, Hubble Space Telescope-class studies and planetary exploration. Development and deployment involve agencies such as National Aeronautics and Space Administration, European Space Agency, Japan Aerospace Exploration Agency and contractors like Lockheed Martin, Thales Alenia Space, and Airbus Defence and Space.
Systems of this class combine heritage from instruments used on Landsat, Sentinel-2, MODIS, ASTER, AVIRIS, Hyperion, Mars Express, New Horizons, Voyager and Galileo (spacecraft) programs. Designs are influenced by programs at institutions including Jet Propulsion Laboratory, Ames Research Center, NASA Goddard Space Flight Center, European Southern Observatory, Max Planck Society, and Institut de Recherche en Astrophysique et Planétologie. Collaborations often involve industrial partners such as Ball Aerospace, Northrop Grumman, Raytheon Technologies, Safran, and research organizations like California Institute of Technology, Massachusetts Institute of Technology, Stanford University, Imperial College London, ETH Zurich, and University of Tokyo.
Optical subsystems typically draw on designs used by Ritchey–Chrétien and Schmidt camera architectures implemented for missions like Hubble Space Telescope and Kepler. Spectroscopic components adopt grating and prism concepts from International Ultraviolet Explorer and Spitzer Space Telescope instruments, while infrared detectors use technologies developed for James Webb Space Telescope, Akari, WISE, IRAS, and SOFIA. Key components are produced by suppliers such as Teledyne Technologies, Hamamatsu, Adimec, and e2v. Pointing and stabilization systems build on work from GPS-aided platforms and attitude control approaches used by ISS payloads and the European Space Agency's Ariane-launched satellites. Thermal control employs methods tested on Voyager and Pioneer probes, and cryogenic designs reference techniques from CryoSat and Herschel Space Observatory.
Spectral ranges span ultraviolet, visible, near-infrared, shortwave infrared, mid-wave infrared, and thermal infrared as used on instruments like MODIS, AVIRIS-NG, Hyperion, Thermal Emission Imaging System, and TES (instrument). Imaging modes include pushbroom, whiskbroom, snapshot hyperspectral and imaging Fourier transform spectrometry similar to techniques explored on EnMAP, PRISMA, CHRIS/PROBA, and CRISM. Spatial resolutions range from sub-meter to multi-kilometer scales, comparable to WorldView, IKONOS, QuickBird, SPOT, and Landsat 8. Radiometric performance is benchmarked against standards from National Institute of Standards and Technology, with calibration approaches paralleling those used by NOAA and EUMETSAT.
Calibration strategies use vicarious, on-board lamp, and cold-sky methods employed by Landsat, MODIS, Sentinel-2, ASTER, and MERIS. Radiometric and geometric correction workflows integrate algorithms from teams at Jet Propulsion Laboratory, US Geological Survey, European Commission, and CNES. Data pipelines support level 0 to level 3 products and harmonize with formats used by Planet Labs, US Geological Survey, Copernicus Programme, and NOAA. Atmospheric correction approaches reference models developed by MODTRAN, 6S, and research groups at National Center for Atmospheric Research and Scripps Institution of Oceanography.
Use cases include land cover classification like projects at US Geological Survey and European Space Agency's Copernicus Programme, vegetation and crop monitoring as in MODIS and Sentinel-2 applications, water quality assessment modeled by NASA research, wildfire detection used by NOAA and CAL FIRE, urban mapping seen in Landsat-based studies, glacier and cryosphere monitoring akin to ICESat analyses, and planetary surface composition studies applied in Mars Reconnaissance Orbiter and Cassini investigations. Other deployments support disaster response in coordination with United Nations Office for the Coordination of Humanitarian Affairs, archaeological surveys similar to projects by Getty Conservation Institute, and mineral exploration comparable to efforts led by United States Geological Survey and British Geological Survey.
Performance metrics reference signal-to-noise ratios, modulation transfer function, and spectral calibration traceable to National Institute of Standards and Technology and validation campaigns analogous to those conducted by US Geological Survey, NASA Ames Research Center, European Commission Joint Research Centre, and International Charter on Space and Major Disasters. Limitations arise from atmospheric interference studied by Intergovernmental Panel on Climate Change-referenced models, orbital constraints familiar from International Space Station operations, data latency issues noted in Copernicus Programme analyses, and budgetary and schedule constraints highlighted in James Webb Space Telescope and Artemis program histories. Validation campaigns often partner with institutions like University of California, Berkeley, Columbia University, University of Oxford, ETH Zurich, and Peking University.
The lineage traces through programs led by National Aeronautics and Space Administration, European Space Agency, Japan Aerospace Exploration Agency, Russian Federal Space Agency, and commercial providers such as Planet Labs and Maxar Technologies. Notable mission integrations include scientific payloads on Landsat, Sentinel, Envisat, Terra (satellite), Aqua (satellite), Mars Reconnaissance Orbiter, Cassini–Huygens, New Horizons, and observatories like Hubble Space Telescope and James Webb Space Telescope. Operational deployments are coordinated with agencies including NOAA, US Geological Survey, EUMETSAT, JAXA, and global research consortia like Group on Earth Observations and Committee on Earth Observation Satellites.
Category:Remote sensing instruments