Weak Stability Boundary · Ballistic Capture
unseel.com · Sun–Earth–Moon four-body dynamics · low-energy lunar transfer
Insertion Δv
Moon energy ε
Phase
Earth
Moon & Hill sphere
Direct Hohmann + braking burn
WSB / ballistic-capture arc
Sun tidal pull · L1/L2 region
Unseel.com · Weak Stability Boundary Transfers: Ballistic Capture to the Moon