TaylorIntegration.jl

ODE integration using Taylor's method, and more, in Julia

PlanetaryEphemeris.jl

Solar System ephemeris Taylor integrator based on JPL DE430/431 dynamical model

NEOs.jl

High-fidelity orbit determination and propagation for Near-Earth Objects, in Julia

HORIZONS.jl

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