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Portable Network Graphic  |  1996-04-23  |  53KB  |  540x449  |  8-bit (188 colors)
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OCR: SATELLITE ORBITS SPACE TECHNOLOGY GEOSTATIONARY ORBIT Currently there are almost 200 working satellites in STILL SATELLITE the most popular orbital path - geostationary orbit. The geostationary At the height of 36,000 km (22,400 miles) above orbit allows satellites to the equator, a satellite takes the same time to orbit send their signals to specific the Earth as the Earth takes to spin on its axis. areas on the Earth. Therefore the satellite stays above the same place on the equator all the time, or is Satellite stationary relative to the Earth. With this orbit, radio dishes on Earth do not have to move in Equator Australia order to track a satellite. In all other orbits, ground stations have to move their dishes in order to point at the satellites. Communications satellites were first s ...