Path: Interplanetary/Ephemeris
% Compute the position and velocity of Earth in the heliocentric frame. Uses SunV1 and a first difference for velocity. -------------------------------------------------------------------------- Form: [rHE, vHE] = EarthHelioState( jD ) -------------------------------------------------------------------------- ------ Inputs ------ jD (1,1) Julian date ------- Outputs ------- r (3,1) Position heliocentric v (3,1) Velocity heliocentric --------------------------------------------------------------------------