The page uses the same build-time ISS orbital elements Stella refreshes before static export.
ISS pass predictor
Find ISS passes over your city.
Search a city, use your location, or open a shared coordinate link. Stella predicts the next overhead Space Station passes from a build-snapshot orbit and highlights the ones visible in twilight.
TLE snapshot: ISS (ZARYA) - updated 2026-08-18 13:33 UTC
Selected locationDenver, Colorado, United States
StatusReady
WindowNext 5 days
Visible listed-
Sunlit passes are marked visible when the ground sky is dark enough to see the station by eye.
The web route previews the pass list; Stella adds live reminders, weather, and sky-map guidance.
Next steps
Plan the pass with the rest of the night.
Pair the ISS flyover with tonight's darkness score, the almanac, and nearby dark places.
Tonight plannerCheck if the sky is worth it
Score moonlight, darkness, and nearby dark-sky quality before waiting outside.
Open routeSky almanacFind the next dark windowUse Moon phases, meteor peaks, and eclipse timing around the ISS pass.
Open routeDark-sky mapMove away from city glowBrowse protected places, parks, observatories, and reserves by darkness.
Open routeGuideKnow what else to look forUse the practical tonight guide to turn a pass into a fuller observing session.
Open route