Stars
A node.js module to find the timezone based on gps coordinates
NASA's JavaScript lunar and solar eclipse explorers
Modular set of functions for SGP4 and SDP4 propagation of TLE and OMM.
A simple canvas animation tracking the sun's position in the sky of the user's location
Hypnos3 / suncalc3
Forked from mourner/suncalcA tiny JavaScript library for calculating sun/moon positions and phases.
Converts equatorial coordinates (Right ascension and Declination) into horizontal coordinates (Altitude and Azimuth).
Calculate 3D orbits of planets and comets given orbital elements
A PHP Right Ascension and Declination to Altitude and Azimuth for the users current Earth Position and time.
0xStarcat / Moshier-Ephemeris-JS
Forked from mivion/ephemerisES6 "re-implementation" of ephemeris calculations for sun, planets, comets, asteroids and stars.
Fork of http://sourceforge.net/projects/mjpg-streamer/
A tiny JavaScript library for calculating sun/moon positions and phases.
An analysis of J2000 heliocentric ecliptic orbital elements for 170 NECs (Near-Earth Comets).
A lightweight javascript timezone library
Astronomy Engine: multi-language calculation of Sun, Moon, and planet positions. Predicts lunar phases, eclipses, transits, oppositions, conjunctions, equinoxes, solstices, rise/set times, and othe…
This package provide many astronomical calculations for sun, moon, and planets, including rise and set times, eclipse info, positions of the moons of Jupiter and Saturn, equinoxes and solstices, etc.
Solar System data visualisation done in HTML/CSS and a bit of Javascript.
The Solar System modeled to scale with Three.js
Display lunar phase with React and Pixi.js
✨ Moon phase visualizer is a simple demo to understand how Moon's phases (and eclipses) occur. 🚀