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% Three impulse orbit transfer. Computes the delta-v needed to go from a transfer orbit to a final orbit with a plane change in three impulses. Generally n should be as large as possible but this will run into the law of diminishing returns and operational constraints. Since version 1. -------------------------------------------------------------------------- Form: [dv, dv12, dv23, dv34, e2, e3, theta] = Tfr3Imp( e1, a1, e4, a4, n, i1, i4 ,mu ) -------------------------------------------------------------------------- ------ Inputs ------ e1 Eccentricity of the first orbit a1 Semi-major axis of the first orbit e4 Eccentricity of the final orbit a4 Semi-major axis of the final orbit n Ratio of intermediate apogee to final apogee i1 Initial inclination (deg) i4 Final inclination (deg) mu Gravitational parameter ------- Outputs ------- dv Total delta v dv12 Delta v for first burn dv23 Delta v for second burn dv34 Delta v for third burn e2 Eccentricity of second orbit e3 Eccentricity of third orbit theta Angle of 2nd delta-v (deg) -------------------------------------------------------------------------- References: Kaplan, M., Modern Spacecraft Dynamics and Control, John Wiley, p. 87. --------------------------------------------------------------------------
Orbit: OrbitCoord/A2Apogee Orbit: OrbitCoord/A2Perige Orbit: OrbitCoord/RARP2E
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