![]() At 160 km, one revolution takes approximately 90 minutes, and the circular orbital speed is 8,000 metres per second (26,000 ft/s). Low Earth orbit (LEO) Geocentric orbits ranging in altitude from 160 kilometers (100 statute miles) to 2,000 kilometres (1,200 mi) above mean sea level. The green dashed line is the 20,230 km orbit used for GPS satellites. The black dashed line is the geosynchronous orbit. Low (cyan) and Medium (yellow) Earth orbit regions to scale.
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