A differentiable simulator for scientific machine learning (SciML) with N-body problems, including astrophysical and molecular dynamics
115 Stars
Updated Last
12 Months Ago
Started In
July 2018


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ColPrac: Contributor's Guide on Collaborative Practices for Community Packages SciML Code Style Simulating systems of N interacting bodies.

Tutorials and Documentation

For information on using the package, see the stable documentation. Use the in-development documentation for the version of the documentation, which contains the unreleased features.


using NBodySimulator
using StaticArrays
using Plots
body1 = MassBody(SVector(0.0, 1.0, 0.0), SVector(5.775e-6, 0.0, 0.0), 2.0)
body2 = MassBody(SVector(0.0, -1.0, 0.0), SVector(-5.775e-6, 0.0, 0.0), 2.0)
G = 6.673e-11
system = GravitationalSystem([body1, body2], G)
tspan = (0.0, 1111150.0)
simulation = NBodySimulation(system, tspan)
sim_result = run_simulation(simulation)
animate(sim_result, "path_to_animated_particles.gif")

Here should appear a gif of rotating bodies