Space Altitude

The karman line lies at an altitude of 100 kilometres 62 mi above the earth s sea level.
Space altitude. The kármán line an altitude of 100 km 62 mi above sea level is conventionally used as the start of outer space in space treaties and for aerospace records keeping. Spacex ceo elon musk says that the first high altitude starship prototype known as sn8 just passed cryo proof testing in south texas potentially setting the ship up for a 15 km 9. 330 000 feet above earth s mean sea level. It varies as a result of atmospheric tides and expands or contracts over longer time periods as a result of space weather.
100 km or about 62 miles above sea level is the commonly used altitude for the beginning of space. This is known as the karman line. High altitude and low pressure. High altitude is sometimes defined to begin at 2 400 meters 8 000 ft above sea level.
The fédération aéronautique internationale fai an international standard setting and record keeping body for aeronautics and astronautics defines the kármán line as the altitude of 100 kilometres 62 miles. The framework for international space law was established by the outer space treaty which entered into force on 10 october 1967. Regions on the earth s surface or in its atmosphere that are high above mean sea level are referred to as high altitude. So it s not that the atmosphere ends at the karman line it s simply that at that altitude it becomes too insignificant to support flights that rely on air quality.
The thermosphere and exosphere along with the higher parts of the mesosphere are regions of the atmosphere that are conventionally defined as space. Crewed space missions are mostly at 400 km 250 mi altitude and below where air drag helps clear zones of fragments. It is the largest artificial object in space and the largest satellite in low earth orbit regularly visible to the naked eyefrom earth s surface. The kármán line is the boundary between the earth s atmosphere and outer space.
It maintains an orbitwith an average altitude of 400 kilometres 250 mi by means of reboost manoeuvres using the engines of the zvezdaservice module or visiting spacecraft. For most of the last decade as astronauts and cosmonauts orbited the earth aboard the international space station they were circling the globe at an altitude of approximately 220 statute miles or about 350 kilometers. The united states uses 80 km or 50 miles above sea level as.