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Parametric Analysis of Minimum TLI Delta-V Lunar Transfer Trajectories

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Parametric Analysis of Minimum TLI Delta-V Lunar Transfer Trajectories

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12 Dec 2012 (Updated )

Parametric Analysis of Minimum TLI Delta-V Lunar Transfer Trajectories

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Description

PDF document and a MATLAB script called tli_sweep that can be used to perform a parametric analysis of lunar transfer trajectories. The software assumes that trans-lunar injection (TLI) occurs impulsively from a circular Earth park orbit. The software solves for the minimum TLI delta-v using a two-body Lambert solution for the transfer trajectory from the Earth park orbit to the center of the moon.
This computer program uses the SNOPT nonlinear programming (NLP) method to solve this classic trajectory optimization problem. The lunar coordinates required by the software are computed using the JPL DE430 ephemeris.

MATLAB release MATLAB 8.0 (R2012b)
Other requirements Requires platform-specific version of SNOPT available at scicomp.ucsd.edu/~peg/ and DE430 binary ephemeris file available at www.cdeagle.com.
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Updates
21 Dec 2012

MICE version contained in tli_sweep_mice.zip archive.

26 Aug 2013

Added option to solve the problem using "perturbed" orbital motion. Updated PDF document.

07 Jul 2014

Add version of main script file (tli_sweep_64bit) that uses the March 17, 2014 64 bit version of SNOPT.

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