Traditional Culture Encyclopedia - Almanac inquiry - Development of American Landsat
Development of American Landsat
106, she stopped working because of overheating damage to the equipment.
The first generation of Landsat 1 ~ 3 was launched on July 23rd 1972,1October 22nd and March 5th 1975 respectively.
The main tasks of Landsat are to investigate underground mineral deposits, marine resources and groundwater resources, monitor and assist in the rational utilization of agriculture, forestry, animal husbandry and water resources, predict and determine crop yields, study the growth and landforms of natural plants, investigate and predict various serious natural disasters (such as earthquakes) and environmental pollution, and take images of various targets in order to draw various thematic maps (such as geological maps, geomorphological maps and hydrological maps).
Satellite parameter launch time Satellite height (km) Time when the inclination of the semi-principal axis passes through the equator.
Landsat11972.7.23 920 7285.438km 103. 143 degrees.
Landsat 21975.1.22 920 7285.989 km 103. 1550 degrees.
Landsat 3 1978. 3. 5 920 7285.776 km 98.9 degrees 6: 365438+ a.m.
Landsat 41982.7.16 705 7083.465 km 98.2 degrees 9: 45 am.
Landsat 51984.3.11705 7285.438 km 98.2 degrees.
Landsat 6 1993 438+00.5 failed to launch.
Landsat 71999.4.15 705km 285.438km 98.2 degrees10: 00am.
Operation: 1, 1978 retired 2, 1976 failed, 1980 repaired 3, 1982 retired 4, 1983 retired 5, 1983 TM.
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