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ASTER data sample

ASTER was launched in 1999 and remains fully operational. Flying at an altitude of 438 miles, ASTER has a 16-day revisit period and follows a sun-synchronous polar orbit. Each ASTER acquisition is approximately 60 km by 60 km . The ASTER instrument acquires information across the visible and infrared spectrums. Specifically, information is acquired by three separate instruments: VNIR (Visible and Near-Infrared Radiometer), SWIR (ShortWave Infrared Radiometer),and TWIR (Thermal Infrared Radiometer).


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