Tonight over your town
The space station is the brightest thing in the night sky after the Moon, and it crosses most cities several evenings a week. Pick your city for tonight's ISS, Tiangong and Hubble passes — when each one rises, how high it climbs, how long you have, and whether it will actually be lit.
Predictions use CelesTrak orbital elements, the local 6 pm–6 am window in each city's own time zone, and a darkness check at the observer plus a shadow check on the satellite. No account, no app.
Not near one of these cities?
Use your exact position for the next 72 hours of ISS, Tiangong and Hubble passes. Coordinates are rounded to ~100 m, used once, and never stored.
Northeast
Southeast
Midwest
South
Mountain West
West Coast
International
What counts as a visible pass
- The object climbs at least 10° above the horizon — lower than that it is behind trees and haze.
- The sun is more than 6° below your horizon at the pass's peak (end of civil twilight), otherwise the sky is too bright.
- The satellite is still in sunlight at that moment. Deep in the night it is usually in Earth's shadow — that is why the best passes cluster an hour or two after dusk and before dawn.
Passes that fail the darkness or shadow test are kept in a collapsed list on each city page so you can see everything that flew over. Direction of travel is not shown — our predictor computes elevation only.