When can I see the ISS? What's that light in the sky? The official Heavens-Above app provides you with precise pass predictions for the ISS, visible satellites and radio satellites. Main features include:


Live sky chart
See what's in the sky above you right now or at a given moment.

Pass predictions
Get precise predictions for passes of the International Space Station (ISS) and most visible satellites.

Radio satellites
Get passes for amateur radio satellites, complete with uplink and downlink information.

Comets
Find the location of bright comets, including NEOWISE, in the sky.

All calculations performed locally
Predictions are generated right on your phone so you only need a data connection every few days.

Orbit and ground track
See details about the orbit of any selected satellite rendered and with all relevant data.

Satellite details
Get detailed information about any satellite, as provided by our Heavens-Above website.

Timeline
Get a visual overview over passes and animate the position of satellites on the sky chart and on the ground track.

Night mode
An optional red on black color scheme to preserve your night vision.

Tracker
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 won't miss them.

Financed by adverts
This version integrates advertisements to make it available for free. Get Heavens-Above Pro to remove the adverts.

// Option A //

To download com.heavens_above.viewer mod from HappyMod.com.
You need enable the option "Unknown Sources".
1. Click on the above link to download com.heavens_above.viewer mod APK.
2. Save the file in your device Downloads folder.
3. Now tap on Install and wait for the installation to finish.
4. Once it is done, open the game and start playing it right away.

// Option B //

To download com.heavens_above.viewer from HappyMod APP, you can follow this:
1. Open your browser and download the HappyMod APK file from HappyMod.com - the only official website of HappyMod.
2. Open Android Settings and go into Privacy or Security.
3. Tap the option to Allow Unknown Sources and enable it.
4. Go to your Android downloads and tap the APK file.
5. Follow the directions on the screen to install it.
6. Search com.heavens_above.viewer in HappyMod App.