ephemeris

Pure-Rust astronomical ephemeris for astrology — Vedic, Western, Chinese, and 9 world traditions

Solar Wanderer / 遨游太阳系 - 1:1 Real-Time Solar System Explorer in the Browser. NASA JPL ephemeris, WebGL2, Three.js. From solar surface to 100,000 AU Oort Cloud.

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.

SpiceyPy: a Pythonic Wrapper for the SPICE Toolkit.

The astrology software "Astrolog", version 8.00

寿星天文历(万年历)5.10 原版来自农历论坛：http://bbs.nongli.net/dispbbs_2_14995.html

A thread-safe alternative to NASA SPICE toolkit, computing spacecraft, planetary, coordinate frame, instrument transformations, ground station visibility, and orbital elements. Engineered for high-throughput Python concurrent execution and flight software, with proven lunar flight heritage.

Swiss Ephemeris binding for node.js

A Modern Fortran Library for Astrodynamics 🚀

The definitive Swiss Ephemeris bindings for Node.js

Pure javascript implementation of ephemeris calculations for sun, planets, comets, asteroids and stars.

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)

Astrological charting for JavaScript and TypeScript: natal, transit, synastry, composite and Davison charts from the Swiss Ephemeris via the Morphemeris API. ESM-only, runs in Node and the browser, bring your own API key.

🌏 📡 🌏 📡 LEOGPS - Satellite Navigation with GPS on Python!

Simulation of the full GPS stack, from satellites' transmission to position calculation at receivers

A program to calculate your ephemerides.

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

Displays time and astrological data (moon phases, positions of planets & celestial points in zodiac)

ES6 "re-implementation" of ephemeris calculations for sun, planets, comets, asteroids and stars.

A command-line tool for producing tables of the positions of solar system objects over time.