Python extension to the Swiss Ephemeris

A program to calculate your ephemerides.

JPL ephemerides for Julia

TLEs for high-altitude artificial satellites

A Modern Binary Ephemeris Reader for Julia, in Julia.

JavaScript library to get Positions for Astronomical Bodies, including VSOP2013, VSOP2010, VSOP87, TOP2013, TOP2010, ELP2000-MPP02, ELP2000-82b, EPHASTER ephemerides and some home-grown ones (mgstat2023). Optimized for speed and size.

An interface to NASA-JPL HORIZONS system and other Solar System Dynamics APIs in Julia

Python code to create an epheremides (a dataset of positions in orbit) for a mega-constellation of satellites in Low Earth Orbit.

Spacecraft trajectory optimization using differential evolution

kepler is a C and Python astronomy library. It implements VSOP87 for the planets, ELP 2000-82B for the Moon, minor body calculations using the MPC database, IAU precession & nutation models, rise/transit/set, Moon phase, eclipse, and equinox/solstice calculations.

Kosmorrolib, a library to calculate ephemerides.

Library of astronomical calculations, based on "Astronomy On The Personal Computer" by O.Montenbruck and T.Phleger .

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

lhorizon helps you find things in the Solar System.

Access HORIZONS and SPICE ephemeris sources with idiomatic Julia.

call horizon online matlab version

Julia wrapper to the Fortran implementation of the planetary solutions VSOP87 by Bretagnon & Francou.

Calculate Moon and Sun positions in Swift.

Python code to discover the nearest planet to Earth. R code to plot it

A Simple Sky Illuminance Model