Ephemeris Python Packages

kerykeion

Data-Driven Astrology 💫 Kerykeion is a Python library for astrology. It generates SVG charts and extracts detailed structured data for birth charts, synastry, transits, composite charts, and more.

169K 623 177

spiceypy

SpiceyPy: a Pythonic Wrapper for the SPICE Toolkit.

152K 477 92

anise

ANISE provides a toolkit and files for Attitude, Navigation, Instrument, Spacecraft, and Ephemeris data. It's a modern replacement of the NAIF SPICE toolkit.

58K 229 36

calcchinesecalendar

High-precision Chinese lunar calendar tool based on JPL DE ephemeris.

20K 4 0

gmat-run

Run GMAT mission scripts from Python and get results as pandas DataFrames.

4K 1 0

kosmorrolib

Kosmorrolib, a library to calculate ephemerides.

4K 9 6

libephemeris

NASA-powered Python library for high-precision astronomical ephemerides. Features an API compatible with Swiss Ephemeris (pyswisseph) and utilizes Skyfield for professional-grade celestial calculations and orbital data.

3K 8 5

planetmapper

PlanetMapper: An open source Python package for visualising, navigating and mapping Solar System observations

3K 15 1

moira-astro

Astronomy-first pure-Python ephemeris and astrology computation engine with transparent, auditable calculations.

3K 8 1

stellium

A modern Python library for astrological chart calculation, visualization, reporting and data analysis. Built on the Swiss Ephemeris for astronomical accuracy.

2K 28 9

astronomia

Python package to calculate ephemeris of Sun, Moon, and planets.

986 5 2

azely

:zap: Azimuth/elevation calculator for astronomical objects

555 11 4

eph

Retrieve, represent and manipulate JPL Horizons ephemerides.

316 1 2

spacetracktool

A Python class for making requests to space-track.org

279 6 2

pyplanets

Library of astronomical algorithms in Python to compute planets ephemeris and phenomena

218 6 0

starward

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.

180 1 0

ephemeris-mcp

Precision astronomical ephemeris calculations via Model Context Protocol (MCP). Provides planetary positions using Swiss Ephemeris.

176 1 1

starlight-astro

A modern Python library for astrological chart calculation and visualization, built on the Swiss Ephemeris for astronomical accuracy.

74 26 8

ewia

Library to calculate apparent positions of astronomical objects

36 0 1