Path: FormationFlying/SafeGuidance
% Compute the Hills-frame state associated with a relative ellipse. ------------------------------------------------------------------------------- Form: xH = RE2Hills( x, y, y0, aE, zA, zR, n ); ------------------------------------------------------------------------------- ------ Inputs ------ x (1) Radial position y (1) Along-track position y0 (1) Center of along-track motion aE (1) Semi-major axis of relative ellipse zA (1) Cross-track offset at forward along-track axis crossing zR (1) Cross-track offset at high radial axis crossing n (1) Mean orbit rate [rad/s] ------- Outputs ------- xH (1) Hills-frame state on relative ellipse -------------------------------------------------------------------------------
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