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ASTER satellite sensor is one of the five state-of-the-art instrument sensor systems on-board Terra a satellite launched on December 18, 1999 at Vandenberg Air Force Base, California, USA.
ASTER is a 15 meter, 14 band multispectral resolution instrument. It can be used for change detection, calibration, validation, and land surface studies.
ASTER satellite image data is expected to contribute to a wide array of global change-related application areas, including vegetation and ecosystem dynamics, hazard monitoring, geology and soils, land surface climatology, hydrology, land cover change, and the generation of digital elevation models (DEMs).
ASTER high-resolution satellite capable of producing stereo imagery for creating detailed digital terrain models (DTMs).
The ASTER instrument consists of three separate instrument subsystems:
VNIR (Visible Near Infrared), a backward looking telescope which is only used to acquire a stereo pair image
SWIR (ShortWave Infrared), a single fixed aspheric refracting telescope
ASTER has 14 bands of information. For more information, please see the following table: