When can I see the ISS? What is that light in the sky? The official Heavens-Above app provides you with accurate transit forecasts for the ISS, visible satellites and radio satellites. The main features include:
Real-time sky chart
See what’s in the sky above you right now or at any given time.
Pass predictions
Get accurate forecasts for the passages of the International Space Station (ISS) and the most visible satellites.
Radio satellites
Get amateur radio satellite passes, complete with uplink and downlink information.
Comets
Find the position of bright comets, including NEOWISE, in the sky.
All calculations performed locally
The forecasts are generated directly on your phone, so you only need a data connection every few days.
Orbit and track on the ground
See details on the orbit of any selected satellite rendered and with all relevant data.
Satellite details
Get detailed information on any satellite, as provided by our Heavens-Above website.
Timeline
Get a visual overview of the passages and animate the position of the satellites on the sky map and track on the ground.
Night mode
An optional red on black color scheme to preserve your night vision.
Plotter
Easily find or identify any object in the sky by orienting your device towards it.
Calendar integration
Quickly add interesting passes to your calendar so you don’t miss them.
Funded by ads
This version integrates advertising to make it available for free. Get Heavens-Above Pro to remove ads.
