ISS Ground Track

The real, current position of the International Space Station, ticking across an equirectangular world and leaving a trail. The page re-polls the live feed every few seconds.

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Chapter 2 (Forces). The book builds gravitational orbits from scratch; here the orbit is the real one. The trail is the actual ground track of a body held in orbit by the force the chapter teaches.

Data: wheretheiss.at API, NORAD 25544 (public, no key). Re-polls live while open.