The International Space Station (ISS) orbits Earth in a low-Earth orbit (LEO) at an altitude of approximately 250 miles (402 kilometers). The ISS orbits Earth every 90 minutes, traveling at a speed of about 17,500 miles per hour. Features of the ISS orbit The ISS's orbital inclination is 51.6°, which allows it to fly over more than 90% of the inhabited Earth. The ISS's orbit gradually decays due to atmospheric drag and the Earth's gravitational pull. The ISS's orbit is periodically adjusted usin

609K views · 11K reactions | Take a tour of life aboard the International Space Station! Join NASA astronauts Nicole Mann and Kjell Lindgren as they guide you through station in celebration of 25 years of continuous human presence aboard the orbiting lab.  Watch the full tour: https://youtu.be/D9gUhAOQ0O4 | International Space Station | Facebook