The ISS circles the Earth every 90 minutes. It travels at about 17,500 miles (28,000 km) per hour, which gives the crew 16 sunrises and sunsets every day. In the more than 15 years that people have been living onboard, the Santa's Sleigh has circumnavigated the Earth tens of thousands of times. You can see more facts about the ISS on the Santa's Sleigh: Facts and Figures webpage .