Discover the International Space Station (ISS) and More!



Have you ever looked up and wondered, “What’s that light in the sky?” If you’re curious about the International Space Station (ISS) and other satellites, the official Heavens-Above app is your go-to resource. This app provides precise pass predictions for the ISS, visible satellites, and even radio satellites. Here are some of the main features:

Main Features



  • Live Sky Chart: View what’s currently in the sky above you or at any given moment.

  • Pass Predictions: Receive accurate predictions for passes of the ISS and most visible satellites.

  • Radio Satellites: Access passes for amateur radio satellites, including uplink and downlink information.

  • Comets: Locate bright comets, such as NEOWISE, in the night sky.

  • Local Calculations: All predictions are generated locally on your device, requiring data only every few days.

  • Orbit and Ground Track: Explore detailed information about the orbit of any selected satellite.

  • Satellite Details: Get comprehensive information about any satellite, sourced from our Heavens-Above website.

  • Timeline: Visualize passes and animate the position of satellites on both the sky chart and ground track.

  • Night Mode: An optional red-on-black color scheme to help preserve your night vision.

  • Tracker: Easily locate or identify any object in the sky by orienting your device towards it.

  • Calendar Integration: Quickly add interesting passes to your calendar to ensure you won’t miss them.

  • Custom TLEs: (Pro version only) Create satellite entries using your own TLEs.

  • No Advertisements: (Pro version only) Enjoy an ad-free experience. You can try the free version before upgrading.

Why Choose Heavens-Above?


With its user-friendly interface and comprehensive features, the Heavens-Above app makes stargazing an exciting and informative experience. Whether you're a seasoned astronomer or just starting out, this app is designed to enhance your understanding of the cosmos.

Don't miss out on the chance to witness incredible sights in the sky. Download the Heavens-Above app today and start your journey into the wonders of space!