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Path: Orbit/RHSOrbit
% Computes the right hand side for a gravity model.
Allows for any spherical harmonic model
Since version 10.
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Form:
xDot = RHSGeoHarm( x, t, d )
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Inputs
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x (6,1) Position vector [rECI (km); vECI (km)];
t (1,1) Time since start Julian Date (s)
d (1,1) Highest sectorial and tesseral harmonic
.nN (1,1) Highest zonal harmonic (m = 0)
.nM (1,1) Highest sectorial and tesseral harmonic
.s (:,:) S terms
.c (:,:) C terms
.j (1,:) m = 0 terms
.mu (1,1) Spherical gravitational potential
.a (1,1) Planet radius
.jD0 (1,1) Start Julian Date
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Outputs
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xDot (6,1) [rDot;vDot]
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Common: Time/JD2T Orbit: OrbitMechanics/AGravityC SC: Ephem/TruEarth
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