The Orbital Velocity Of An Artificial Satellite In A Circular Orbit Just Above The Earth S Surface
7 9 km s 28 440 km h or 17 672 mph 1 h 24 min 18 sec. At an altitude of 124 miles 200 kilometers the required orbital velocity is a little more than 17 000 mph about 27 400 kph. By steven holzner.