Sputnik! is an easy to use tool for predicting when the International Space Station will pass by your location or when a bright satellite will be visible in the skies above.


Sputnik! features:

- Predictions of satellite and ISS sightings accurate to the second.
- Detection of Starlink satellite trains.
- Second by second countdown to the satellite sighting.
- Set reminders of upcoming satellite sightings.
- Displays compass direction and elevation for your device to easily find the part of the sky where the sighting will occur (requires capable device).
- Rotate your device to landscape orientation to show exactly where the satellite will pass in the night sky.
- Share sightings via Twitter, Facebook, Mail, Messages and others.
- Automatic download of up to date satellite orbital data.
- Offline calculations, no need to be connected to the internet once orbital data has been downloaded.
- Input your location automatically by GPS, select from a map or enter coordinates manually.
- Save your favorite places for easy access.
- Audio cues for the last seconds before the satellite passes by.


Sputnik! on Apple Watch:

- Easily find the next and last sighting at your current location.


* Sputnik! is ad-supported *