poliastro - 🚀 Astrodynamics in Python

A star map with d3.js

C++ library for ODE integration via Taylor's method and LLVM

Astro: Go Astronomy Algorithms Library - Chinese Lunar Calendar, Solar/Lunar Eclipses, Sun/Moon/Planet Positions, Rise/Set, Planet Events, Stars, Coordinates, Orbits, Sundials and Lightweight Ephemerides (天文算法 Go 库：农历、日月食、日月行星位置、升落、行星天象、恒星、坐标、轨道、日晷与轻量星历)

Orbit Determination with Python

The Piranha computer algebra system.

Python library for ODE integration via Taylor's method and LLVM

Sophisticated astrodynamics and space mission simulator. Calculate n-body trajectories, perform orbital maneuvers, apply various perturbations, generate plots, and more! Minimal dependencies.

N-body fortran integrator

A tool for visualizing Resident Space Objects (http://astria.tacc.utexas.edu/AstriaGraph/)

NASA/JPL SPICE Toolkit for C – patched for cross-platform compatibility

A C++20 library for the symbolic manipulation of sparse polynomials & co.

Numerical simulation of orbital dynamics under the Moon's non-uniform gravitational field (J2, mascons).

Versatile astrodynamics / space mission simulator. n-body orbital mechanics, maneuvers, perturbations and more.

A modern astrodynamics library powered by JAX: differentiate, vectorize, JIT to GPU/TPU, and more

Fortran library to compute positions of celestial bodies

A free, fast and accurate routine to compute the position of the Sun

Numerical integrator of orbits, including Yarkovsky effect, YORP, and collisions. Based on SWIFT (Levison & Duncan 1994).

Astronomy software built with Python and PySide 6 for astronomical observations.

Hassle free galactical procedural generator