Space Python Packages

pyerfa

Python bindings for ERFA routines

spiceypy

SpiceyPy: a Pythonic Wrapper for the SPICE Toolkit.

spacepackets

Various CCSDS and ECSS packet implementations in Python

openc3

OpenC3 COSMOS

pycdfpp

A modern C++ header only cdf library with Python bindings

spacepy

Space Science library for Python - contains superposed epoch classes, drift shell tracing, access to magnetic field models, streamline tracing, bootstrap confidence limits, time and coordinate conversions, etc.

poliastro

poliastro - :rocket: Astrodynamics in Python

brahe

A practical astrodynamics for research and engineering applications

pyspedas

Python-based Space Physics Environment Data Analysis Software

orbit-predictor

Python library to propagate satellite orbits.

pysat

Generalized data analysis workflow via a consistent easy to use interface.

space-packet-parser

A CCSDS telemetry packet decoding library based on the XTCE packet format description standard.

puslib

ECSS Packet Utilization Standard implementation.

gmat-script

Parse, format, lint, and edit GMAT .script mission files from Python — a tree-sitter grammar, AST, linter, and editor tooling, with no GMAT install required.

spacelink

Python package for RF and link budget computation

pypredict

Spire port of predict open-source tracking library

animaire

A Python toolkit for calculating dose rates in Earth's atmosphere based on any incoming proton or alpha particle spectra, with any pitch angle distribution, and during any magnetospheric conditions.

geospacelab

A python-based library to collect, manage, and visualize geospace data (e.g. OMNI, geomagnetic indices, EISCAT, DMSP, SWARM, TEC, AMPERE, etc.).

astroz

Astrodynamics and Spacecraft Toolkit. Features fast orbit prop, celestial precession, CCSDS parsing, RF parsing, fits image parsing, and more!

gfold

Fuel Optimal Large Divert Guidance Algorithm

astrodynamics-mcp

Model Context Protocol server giving any LLM client (Claude, ChatGPT, Cursor, agents) authoritative astrodynamics tools — TLE/SGP4, Lambert, ground-station access, time/frame conversions, porkchop, B-plane.

orbit-formats

Lossless round-trip across orbital state-vector and ephemeris formats — TLE, CCSDS NDM, SP3, SPK, STK ephemeris, GMAT report.

ocbpy

Convert between magnetic and adaptive, polar boundary coordinates

maneuver-detect

Open dataset, baselines, and leaderboard for detecting satellite maneuvers from public TLE history.