Astronomy Engine: multi-language calculation of Sun, Moon, and planet positions. Predicts lunar phases, eclipses, transits, oppositions, conjunctions, equinoxes, solstices, rise/set times, and other events. Provides vector and angular coordinate transforms among equatorial, ecliptic, horizontal, and galactic orientations.
☆889Jan 27, 2025Updated last year
Alternatives and similar repositories for astronomy
Users that are interested in astronomy are comparing it to the libraries listed below. We may earn a commission when you buy through links labeled 'Ad' on this page.
Sorting:
- An astronomical library☆174Aug 30, 2025Updated 9 months ago
- Elegant astronomy for Python☆1,732May 2, 2026Updated last month
- Scientific-grade astronomy routines for Python☆892Apr 30, 2026Updated last month
- A list of awesome astronomy projects☆616Jul 30, 2025Updated 10 months ago
- Pure javascript implementation of ephemeris calculations for sun, planets, comets, asteroids and stars.☆159Dec 2, 2019Updated 6 years ago
- Deploy to Railway using AI coding agents - Free Credits Offer • AdUse Claude Code, Codex, OpenCode, and more. Autonomous software development now has the infrastructure to match with Railway.
- VSOP87 in multiple programming languages☆82Dec 2, 2024Updated last year
- Code is provided to draw crescent visibility maps according to the following criterias: Yallop criteria, Odeh criteria.☆16Apr 1, 2025Updated last year
- Astrometric solver library and app for .NET Core☆38May 24, 2026Updated 2 weeks ago
- Observational Indian lunisolar calendar using the Swiss ephemeris (Hindu Drik Panchanga).☆12Oct 3, 2015Updated 10 years ago
- A star map with d3.js☆725Aug 12, 2024Updated last year
- 😎 Awesome lists about Astronomy stuff. ⭐ Databases, sites, Twitter accounts, projects, NASA, ESA, JAXA, and more 🚀☆95Jun 1, 2026Updated last week
- JavaScript library to get Positions for Astronomical Bodies, including VSOP2013, VSOP2010, VSOP87, TOP2013, TOP2010, ELP2000-MPP02, ELP20…☆25Jun 7, 2023Updated 3 years ago
- Southern Stars core astronomical code library☆29Jul 24, 2025Updated 10 months ago
- This package provide many astronomical calculations for sun, moon, and planets, including rise and set times, eclipse info, positions of …☆12Mar 25, 2026Updated 2 months ago
- GPU virtual machines on DigitalOcean Gradient AI • AdGet to production fast with high-performance AMD and NVIDIA GPUs you can spin up in seconds. The definition of operational simplicity.
- A command-line tool for producing vector-graphics charts of the night sky in SVG, PDF and PNG formats.☆386Updated this week
- Stacking program, astrometric (plate) solver, fits file viewer☆20May 23, 2026Updated 2 weeks ago
- A command-line tool for producing tables of the positions of solar system objects over time.☆16Aug 16, 2024Updated last year
- Basic astronomical functions☆108May 28, 2026Updated 2 weeks ago
- The definitive Swiss Ephemeris bindings for Node.js☆185May 10, 2026Updated last month
- Astronomy and astrophysics core library☆5,179Updated this week
- Webservice to generate Astrological charts using a trimmed down version of OpenAstro.org (https://github.com/pascallemazurier/openastro-d…☆15Jan 28, 2024Updated 2 years ago
- The Jyotish module has calculations related to Vedic Astrology☆15Jan 6, 2023Updated 3 years ago
- Swiss Ephemeris source code, official release by Astrodienst. For reporting issues or problems, please use the public mailing list https:…☆659Updated this week
- Managed hosting for WordPress and PHP on Cloudways • AdManaged hosting for WordPress, Magento, Laravel, or PHP apps, on multiple cloud providers. Deploy in minutes on Cloudways by DigitalOcean.
- A tiny JavaScript library for calculating sun/moon positions and phases.☆41Apr 4, 2022Updated 4 years ago
- Swiss Ephemeris binding for react-native☆15Jan 19, 2026Updated 4 months ago
- Implementations of Development Ephemeris computations☆12Jan 15, 2024Updated 2 years ago
- Python version of Meeus's Astronomical Algorithms☆10Jul 9, 2021Updated 4 years ago
- ASCOM .NET Cross-Platform Library components☆21May 23, 2026Updated 2 weeks ago
- JavaScript Library for Astronomical Calculations☆94Apr 29, 2026Updated last month
- Astrometry turns a list of star positions into a pixel-to-sky transformation (WCS)☆45Feb 25, 2025Updated last year
- Swiss Ephemeris binding for node.js☆239Jan 29, 2026Updated 4 months ago
- Solar Eclipse Workbench☆16Updated this week
- 1-Click AI Models by DigitalOcean Gradient • AdDeploy popular AI models on DigitalOcean Gradient GPU virtual machines with just a single click. Zero configuration with optimized deployments.
- Excel SpreadSheet Based Jyotish Calculation Tool☆20Jun 20, 2024Updated last year
- Subset of jsOrrery, computes actual planet positions at given dates☆29Aug 9, 2015Updated 10 years ago
- ☆15Jun 29, 2021Updated 4 years ago
- Display lunar phase with React and Pixi.js☆13Nov 15, 2025Updated 6 months ago
- A license friendly NGC/IC objects database☆131May 1, 2026Updated last month
- World Wide Astronomy - SOFA - for Linux, mac OS, Windows☆19Nov 26, 2022Updated 3 years ago
- Python version of NASA DE4xx ephemerides, the basis for the Astronomical Alamanac☆124Feb 1, 2026Updated 4 months ago