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The serial nature of Landsat missions and the fact that is the longest-running satellite program gives it a unique perspective to generate information of Earth. Glacier retreat in a big scale can be traced back to previous Landsat missions, and this information can be used to generate climate change knowledge.
Landsat 8 is an American Earth observation satellite launched on 11 February 2013. It is the eighth satellite in the Landsat program and the seventh to reach orbit successfully. Originally called the Landsat Data Continuity Mission (LDCM), it is a collaboration between NASA and the United States Geological Survey (USGS).
Landsat 5 significantly exceeded its designed life expectancy, lasting several decades beyond its original three-year mission. Contributing to Landsat 5's longevity was the presence of extra fuel for possible future retrieval by the Space Shuttle. [11] If the need arose, Landsat 5 could use the extra fuel to move into a lower orbit.
Landsat-8: Active NASA and USGS 2013 Follow on to Landsat-7 with improved imager OLI and thermal sensor TIRS. Landsat-9: Active NASA and USGS 2021 Follow on to Landsat-8 with OLI sensor and thermal sensor TIRS-2. Landsat-9 will extend the Landsat program to maintain the time series of these type of data. Megha-Tropiques: Active CNES and ISRO: 2011
Landsat 7's 9:15 AM LMT acquisition will preclude acquiring high-quality and heritage-continuing data. On April 6, 2022, the science mission was suspended and the image sensor was placed into standby mode as the satellite's orbit was lowered. [10]
Landsat 9 is an Earth observation satellite launched on 27 September 2021 from Space Launch Complex-3E at Vandenberg Space Force Base on an Atlas V 401 launch vehicle. [3] NASA is in charge of building, launching, and testing the satellite, while the United States Geological Survey (USGS) operates the satellite, and manages and distributes the data archive. [4]
In total, intergovernmental partnerships account for almost 37% of all missions while 27% of the missions also involve international partnerships with other countries and international companies. As of 2022, there have been nine LandSat satellites with LandSat 7, 8, and 9 orbiting the Earth.
Landsat 2 was manufactured by General Electric's Space Division in Valley Forge, Pennsylvania. [3] This satellite was considered an experiment, unlike Landsat 1. Landsat 2 was originally designated as ERTS-B (Earth Resources Technology Satellite-B) and was renamed prior to launch. [5] The satellite was designed to operate for a minimum of one ...