ISS VISIBILITY PREDICTOR
When will the ISS pass over me?
Use your location or enter coordinates to calculate the next geometric ISS pass, peak elevation, direction and duration.
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Your locationUse GPS or enter coordinates
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Next ISS passGeometric horizon crossing
Enter your location to calculate the next pass.
How the predictor works
ISS Tracker uses current orbital elements with SGP4 propagation to estimate when the station rises above and falls below the geometric horizon. Real visibility can differ because of daylight, twilight, clouds, terrain and station illumination.