International Space Station ISS
International Space Station ISS – The date of the creation of the ISS is considered 20 November 1998. Then the orbit brought out the first element. It was the Russian module Zarya. ISS has been inhabited since 2 November 2000. It is located on a low earth orbit. Circling the Earth at an average altitude of 400 km. The height is adjusted, but the ISS is still lowers its flight. While planning the trajectory taken into account the availability of spaceports in Russia and the USA. One lap around the earth station takes approx. 92 minutes, so a day circling the planet 15.7 times. Compared to the Earth’s surface moves at a speed of 7700 m / s, or 27720 km / h.