poliastro - :rocket: Astrodynamics in Python
Python library for ODE integration via Taylor's method and LLVM
A powerful open-source engine for advanced celestial mechanics, orbital dynamics, and planetary motion.
Orbit Determination with Python
A modern astrodynamics library powered by JAX: differentiate, vectorize, JIT to GPU/TPU, and more
Сustomized collection of ODE solvers
The Piranha computer algebra system.
An educational astronomy calculation toolkit with a soul. Show your work with --verbose mode. Sun/Moon positions, rise/set times, twilight, phases, coordinate transforms, Julian dates, and visibility planning. Pure Python, no compiled dependencies.
Open-source identity engine for AI agents. Deterministic personality from celestial mechanics.