cr3bp

An almost fully automated MATLAB CR3BP library.

Halo orbit solver with modern Fortran

A computational toolkit for the Circular Restricted Three-Body Problem

Indirect optimization for energy-optimal Lyapunov-to-Lyapunov transfer using heteroclinic connection as initial guess.

Validated, Python-native toolkit for CR3BP / cislunar mission design and trans-Neptunian-object discovery. Standard gravity, real DE440 ephemerides, cross-validated against NASA GMAT.

LS19 (Look Star 19) — tarayıcıda canlı uzay simülasyonu: Dünya'dan Ay'a görev, ~16.600 canlı uydu, ~55.000 asteroit (JPL SBDB) ve asteroit saptırma fizik motoru.

High-performance Rust astrodynamics engine for Near-Rectilinear Halo Orbit (NRHO) simulations, featuring CR3BP physics and orbital rendezvous.

Low-energy Earth–Moon transfer design via invariant manifolds of CR3BP halo orbits. Differential correction, pseudo-arclength continuation, Poincaré section intersection search, and ΔV budget. Python + LaTeX paper.

Lyapunov orbit families and zero-Δv transfers along invariant manifolds in the Earth–Moon CR3BP (MATLAB)

How long can a cislunar object go unobserved before ground telescopes lose it? Custody horizons for angles-only tracking of NRHO, halo, Lyapunov and DRO orbits — CR3BP + JPL DE440, EKF/UKF/GM-UKF/particle filters, Monte Carlo.

Solar sail halo orbits, manifold transfers and station-keeping in the Sun–Earth and Earth–Moon CR3BP. Floquet analysis, heteroclinic connections, LQR control.

Multiple-shooting design of impulsive transfers between L1/L2 Lyapunov orbits in the Earth-Moon CR3BP, using invariant manifold theory and Poincaré section analysis to construct low-cost initial guesses.

High-fidelity Python astrodynamics engine for multi-body orbital mechanics: J2-J4 perturbations, CR3BP cislunar trajectories, low-thrust spirals, LVLH swarm dynamics, Lambert targeting and interplanetary gravity assists

🛰️ Interactive orbital dynamics laboratory for exploring the Circular Restricted Three-Body Problem (CR3BP), Lagrange points, perturbations, stability, and numerical simulations.

This project has codes available for construction of lyapunov orbit and their invariant manifolds, and hence finding the intitial conditions for certain trajectories in non-dimensionalized 3 body problem. This projects is carried out to better understand the three-body dynamics.

Code for CR3BP project. Includes all figures + raw code.

Kirkwood gap formation at realistic Jupiter mass, CR3BP with symplectic integration (Yoshida 4 and Wisdom-Holman) on a single GPU via CuPy