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SPACECRAFT FLYBY VISUALIZER
Gravity Slingshot Flyby Lab
Visualize a spacecraft gravity-assist flyby around a moving planet with incoming/outgoing vectors, turn angle, velocity gain estimate, closest approach, CSV path, SVG diagram, Markdown brief and JSON receipt.
Reviewed 2026-06-29
EducationPatched-conic turn angle approximationClosest-approach and velocity-change estimateAnimated spacecraft moving along the computed pathCSV/SVG/Markdown/receipt exports
WHY THIS BELONGS ON FASTTOOL
A visually serious tool should produce an artifact, not a paragraph.
This page creates a 3D scene, an inspectable projection, a ledger, a written proof brief and a receipt that humans and AI agents can compare.