OrbitalTrajectories.jl is a modern orbital trajectory design, optimisation, and analysis library for Julia, providing methods and tools for designing spacecraft orbits and transfers via high-performance simulations of astrodynamical models.

A Fresh Approach to Astrodynamics

Julia-based dynamical simulator for asteroids and planets.

JPL ephemerides for Julia

Astrodynamics with units! Provides common astrodynamics calculations, plotting, and iterative Halo, Kepler, and Lambert solvers.

A Modern Binary Ephemeris Reader for Julia, in Julia.

A modern, high-performance and comprehensive set of tools for transformations between any standard and user-defined reference frame.

Calculate Earth orientation parameters from IERS tables in Julia

Dynamical models used within astrodynamics and orbital mechanics!

Efficient Astronomical Time transformations in Julia.

Compute the MOID - Minimum Orbit Intersection Distance for two given elliptical orbits (Kepler elements)

Access HORIZONS and SPICE ephemeris sources with idiomatic Julia.

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

Julia wrapper of the Python SGP4 library

Multi-Body Dynamics astrodynamics package

Astrodynamics library in Julia

Content presented at JuliaCon!

An interface package for the JSMD ecosystem

A utility package for the JSMD ecosystem

Astrodynamical states representations and transformations.