TypeScript library for spacecraft relative motion propagation. Implements Yamanaka-Ankersen (elliptical orbits) and Clohessy-Wiltshire (circular orbits) state transition matrices with RIC/LVLH frame support.
satellite astrodynamics spacecraft kepler orbital-mechanics relative-motion formation-flying clohessy-wiltshire yamanaka-ankersen
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Updated
Nov 22, 2025 - TypeScript