TLEscope is a satellite visualization tool designed to transform Two-Line Element (TLE) sets into intuitive, interactive data. It’s a modern and interactive 3D/2D satellite position tracker based on real TLE data.
It provides a streamlined interface for tracking the current and future positions of orbital bodies across both 3D and 2D environments.
This is free and open source software.
Key Features
- Dual-View Visualization: Seamlessly toggle between an interactive 3D orbital space and a 2D projection featuring accurate satellite ground tracks.
- Accurate Terminator Line Simulation: Easily preview sunlight conditions, in 2D and 3D.
- Coverage Analysis: Real-time rendering of Line-of-Sight (LOS) coverage areas and comprehensive orbital characteristics.
- TLE Data Integration: Efficiently load and parse TLE data for individual satellites or entire constellations.
- Customization: Deeply configurable theming and functional options to suit professional or personal preferences.
- For nerds, By nerds: TLEscope comes equipped with tools designed for RF engineers, satellite operators, and people who just want to know when to expect the next sunlit ISS pass.
- Minimal Footprint and High Performance: Developed in pure C utilizing the Raylib framework, TLEscope maintains a minimal footprint. The application provides high-performance rendering that is likely more efficient than your standard system file browser, even with hundreds or thousands of satellites on-screen.
- Cross-platform support – built for Linux and Windows.
Website: github.com/aweeri/TLEscope
Support:
Developer: Aria Horak
License: GNU Affero General Public License v3.0

TLEscope is written in C. Learn C with our recommended free books and free tutorials.
Related Software
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|---|---|
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| tracker | Real-time satellite tracks and orbit prediction |
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