The International Space Station celebrated 100,000 laps around Earth today The space station reached the milestone, 17.5 years in the making, this morning NASA said that’s equivalent to 10 round trips to Mars, or almost one way to Neptune Each orbit takes about 90 minutes with 16 orbits comprising a station day Astronauts have been living aboard the 250-mile-high complex since 2000 with 47 crews having represented the U.S., Russian, Canadian, Japanese, and European space agencies