Use this tracker to monitor current position and decide whether the next pass is worth setup time.
Live ISS Tracker - Real Time Space Station Location
Live ISS position, altitude, velocity, and visibility.
What Is the ISS and Why Is It Bright?
The International Space Station is a permanently crewed spacecraft in low Earth orbit. It appears bright because sunlight reflects from large solar arrays and station surfaces, especially shortly after sunset or before sunrise.
Use the map below to follow the current path, then compare local cloud cover in the astronomy weather forecast for better viewing chances.
ISS Tracker Live Data
Drag or zoom the map to inspect the orbit path. The dashed line marks the day/night terminator.
ISS orbit data: CelesTrak TLE propagation (satellite.js).
ISS Tracker FAQ
When is the ISS visible from the ground?
It is usually visible near dusk or dawn, when your location is dark but the station remains sunlit.
How often does the ISS circle Earth?
The station completes an orbit roughly every 90 minutes, so location updates shift quickly.
What should I check before viewing a pass?
Check cloud cover with astronomy weather and review sky direction in the live sky map.