A satellite that orbits the Earth at an altitude of about 22,000 miles. At this altitude, the satellite circles the Earth every twenty-four hours, so that it remains “stationary” over a particular spot on the surface. if (window.googletag) {googletag.cmd.push(function() { googletag.display('dcomMobileSERPDisplayTopAd-300x250'); });} else {console.error('googletag not defined, dcomMobileSERPDisplayTopAd-300x250');}