Sputnik!!

Sputnik is an easy to use tool for predicting when the International Space Station will pass by your location or when an Iridium Flare will be visible in the skies above. Sputnik features:- Predictions of satellite and ISS sightings accurate to the second.- Second by second countdown to the satellite sighting.- Automatically keeps track of the correct universal time. * Sputnik is ad-supported *