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Thanks for choosing TrackSat - Satellite tracker! This release includes stability and performance improvements.
Track satellites in real time with 3D globe, pass predictions & conjunctions.
Ever wanted to spot the International Space Station (ISS) in the night sky or watch a train of Starlink satellites fly over your roof? With TrackSat – Satellite Tracker, you can explore the skies, track thousands of satellites in real-time, predict flyovers for your exact location, and even monitor close celestial conjunctions between satellites. Powered by high-precision orbital models, TrackSat brings amateur astronomers, radio enthusiasts, and space lovers everything they need for satellite observation. 🌌 CORE MODULES & FEATURES 🛰️ Interactive 2D Map & 3D Globe • Real-time Live Tracking: View current orbital paths, velocity, altitude, and ground footprint horizon rings. • 3D Earth Globe: Fully interactive multi-touch navigation (rotate, zoom, and tilt). • Map Customization: Street, satellite, terrain layers, and realistic Day/Night shadow overlays. ⏱️ Pass Predictions & Flyover Alerts • Know precisely when a satellite will be visible over your coordinates or custom QTH locator. • Detailed pass data: Acquisition of Signal (AOS), Loss of Signal (LOS), peak elevation, azimuth, and eclipsed status. • Set Pass Reminders: Get notified minutes before a satellite flies over your location. 📐 Appulse / Satellite Conjunctions • Unique feature! Calculate and predict close apparent conjunctions between two satellites in the sky. • View angular separation in degrees, time of closest approach, and set conjunction reminders—perfect for astrophotography! 📻 Amateur Radio & Telemetry • Access transmitter details including Uplink, Downlink frequencies, and transmission modes for supported amateur satellites. 📂 Extensive Data Sources & Custom TLE Support • Grouped catalogs: Brightest, Starlink, Space Stations (ISS, Tiangong), Weather (NOAA), Navigation (GPS, Galileo, BeiDou, Glonass), Disaster Monitoring, and more. • Custom TLE (.tle / 3LE) Upload: Import your own satellite orbital data sets. • Favorites Management: Bookmark satellites and easily export/import your favorites list as a .txt backup. 🔍 Deep Satellite Metadata (Over 4,500+ Satellites) • View NORAD/COSPAR ID, launch date, country/operator, launch vehicle, mass, power, apogee, perigee, inclination, and orbital period. • Popular satellites tracked: ISS, Hubble Space Telescope (HST), Starlink, NOAA, Tiangong, JWST helpers, CXO, and thousands more. ⚡ BUILT FOR PERFORMANCE & PRIVACY • Offline-Ready: Predict passes and track orbits using cached TLE data without constant active network usage. • Geolocation Flexibility: Use GPS or manually define custom latitude/longitude coordinates. • Clean & Intuitive Dark Mode UI. Never miss a satellite pass again. Download TrackSat – Satellite Tracker today and start exploring the orbit above you!