🛰️ Satellite TLE tools in JavaScript: get lat/lon of satellites, get look angles, plot orbit lines, extract individual TLE elements, etc

Python library to propagate satellite orbits.

Simplified perturbations models

JavaScript Library for Astronomical Calculations

Calculate orbital information of satellites in GoLang.

A Rust implementation of the SGP4 satellite propagation algorithm

SGP4 implementations in multiple languages

C# SGP4 orbit prediction Library

Real-time satellite tracker and orbit propagator

dSGP4: differentiable SGP4. Supports differentiability, ML integration & embarassingly parallel computations

Orbit propagation using various methods.

🛰️Orbital Object Toolkit Core. A modern typed replacement for satellite.js including SGP4 propagation, TLE parsing, Sun and Moon calculations, and more.

C# SGP4 Satellite Prediction Library. Load satellites from TLEs, convert between coordinate systems and reference frames, observe satellites from ground stations, and more.

A partial PHP port of the Gpredict program for real-time satellite tracking and orbit prediction.

🛰️Orbital Object Toolkit including Multiple Propagators, Initial Orbit Determination, and Maneuver Calculations.

Calculate orbital information of satellites.

Satellite prediction library for crystal using the sgp4 model

Integrate USSF binaries for SGP4 and SGP4-XP propagators into Orekit.

A satellite tracking screen saver for macos

Orbit Determination with optical observations