# ISS SkyTransit

> Never miss an ISS transit across the Sun or Moon near you

Canonical page: [https://chrome-stats.com/d/com.issskytransit.app](https://chrome-stats.com/d/com.issskytransit.app)

## Overview

- **ID:** `com.issskytransit.app`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Lightstram
- **Category:** TOOLS
- **Downloads:** 317
- **Version:** 1.2.5
- **Last updated:** 2026-09-27
- **First published:** 2026-05-22
- **Publisher country:** FR
- **Size:** 9.25 MB
- **Data as of:** 2026-10-13
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.issskytransit.app)
- **Privacy policy:** [https://iss-skytransit-api-42168745812.europe-west9.run.app/privacy-policy-en](https://iss-skytransit-api-42168745812.europe-west9.run.app/privacy-policy-en)

## Description

🛰️ ISS SkyTransit – ISS Transit Predictions<br><br>Photograph the International Space Station passing in front of the Sun or the Moon, thanks to high-precision astronomical calculations.<br><br>ISS SkyTransit calculates exactly when and where solar and lunar ISS transits will be visible from your location, using real-time NORAD orbital data (TLE) and NASA JPL planetary ephemerides.<br><br>Get to the right spot. Be on time. Capture the perfect silhouette.<br><br>━━━━━━━━━━━━━━━━━━<br>✨ WHAT IS AN ISS TRANSIT?<br>━━━━━━━━━━━━━━━━━━<br><br>A transit happens when the International Space Station passes exactly in front of the Sun or the Moon, creating a spectacular silhouette visible for less than two seconds.<br><br>These events are rare and visible only from a very precise geographic area. ISS SkyTransit helps you locate them.<br><br>━━━━━━━━━━━━━━━━━━<br>🎯 KEY FEATURES<br>━━━━━━━━━━━━━━━━━━<br><br>📍 Precise location<br>• Automatic GPS geolocation<br>• Manual coordinate entry<br>• Selection on an interactive map<br>• Search radius up to 100 km<br>• Calculations adjusted for altitude<br><br>⏰ Advanced predictions<br>• Forecasts up to 30 days ahead<br>• Real-time ISS NORAD orbital data (TLE)<br>• Automatic orbital data updates<br><br>🌅 Complete transit details<br>• Exact time (UTC and local)<br>• Transit duration (usually &lt; 2 seconds)<br>• Distance from your location<br>• Elevation and azimuth<br>• Crossing angle over the Sun or Moon<br>• Apparent angular speed<br>• Moon phase for lunar transits<br><br>🗺️ Map visualization<br>• Transit center line<br>• Optimal visibility zone<br>• Best observation spot planning<br><br>📸 Built for astrophotography<br>• Precise timing for burst photography<br>• Optimal positioning<br>• Detailed solar and lunar information<br><br>━━━━━━━━━━━━━━━━━━<br>🔬 PROFESSIONAL ASTRONOMICAL DATA<br>━━━━━━━━━━━━━━━━━━<br><br>• Official NORAD / CelesTrak orbital elements<br>• NASA JPL DE421 planetary ephemerides<br>• Optimized algorithms for fast results<br><br>━━━━━━━━━━━━━━━━━━<br>🚀 WHY CHOOSE ISS SKYTRANSIT?<br>━━━━━━━━━━━━━━━━━━<br><br>✅ High-precision ISS transit predictions<br>✅ Clear, intuitive interface<br>✅ Instant results<br>✅ No ads<br>✅ Works worldwide<br>✅ Dark and light mode<br>✅ Free, no subscription<br><br>━━━━━━━━━━━━━━━━━━<br>⚠️ WARNING – SOLAR TRANSIT SAFETY<br>━━━━━━━━━━━━━━━━━━<br><br>Observing or photographing the Sun without proper protection can cause permanent eye damage or blindness.<br><br>During a solar ISS transit:<br><br>• Never look directly at the Sun without glasses certified to the ISO 12312-2 standard.<br>• Always use a certified solar filter for cameras, telescopes, or binoculars.<br>• Do not use regular sunglasses, smoked glass, or improvised filters.<br>• Make sure your equipment is properly set up and secured.<br>• Supervise children during solar observations.<br><br>ISS SkyTransit only provides astronomical position and timing calculations.<br><br>Users are solely responsible for following safety rules during solar observations. The developer accepts no liability for injury, property damage, or misuse of equipment.<br><br>━━━━━━━━━━━━━━━━━━<br>🌟 START OBSERVING<br>━━━━━━━━━━━━━━━━━━<br><br>Never miss a solar or lunar ISS transit again.<br>Plan with precision and capture a unique moment in the sky.

## Rankings

- #1,588,100 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_COARSE_LOCATION`
- `android.permission.ACCESS_FINE_LOCATION`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.INTERNET`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.RECEIVE_BOOT_COMPLETED`
- `android.permission.SCHEDULE_EXACT_ALARM`
- `android.permission.WAKE_LOCK`
- `com.android.vending.CHECK_LICENSE`
- `com.issskytransit.app.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.issskytransit.app)