vsop87
A fast implementation of the VSOP87 theory in JavaScript.
A fast implementation of the VSOP87 theory in JavaScript.
Including configurable Stars, Nebulas, Comets, Planets and Suns. Nebula comes with a vanilla JS and a React wrapper. Compatible with SSR
observerly's lightweight, zero-dependency, type safe astrometry library written in Typescript for calculating the position of celestial objects in the sky.
JavaScript client wrapper for the HORIZONS database
Toolkit for solar system ephemerides and satellite propagation via SGP4
Calculate the real-time positions of the sun, all planets and every star/deep-sky object at the sky completely client-side
Generate a vector of `n` believable celestial (planetary) names using hidden Markov model.
Generate a vector of `n` believable celestial (planetary) names using hidden Markov model.
JavaScript implementation of Moshier's ephemeris calculations for sun, planets, comets, asteroids and stars.
Exoplanets database with queries