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A MATLAB Script for Predicting Lunar Eclipses

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A MATLAB Script for Predicting Lunar Eclipses


David Eagle (view profile)


06 Dec 2012 (Updated )

Predicting the local circumstances of lunar eclipses.

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PDF document and MATLAB script named leclipse.m that can be used to predict local circumstances of lunar eclipses. This software provides the eclipse type, the universal times and topocentric coordinates of the Moon at the beginning and end of the penumbra contacts, and the time and coordinates at maximum eclipse. The source ephemeris for this routine is a JPL binary ephemeris file. This application uses several functions ported to MATLAB from the Fortran version of the NOVAS (Naval Observatory Vector Astrometry Subroutines) source code developed at the United States Naval Observatory ( JPL binary ephemeris files for Windows compatible computers can be downloaded at

MATLAB release MATLAB 7.12 (R2011a)
Other requirements Requires platform specific version of MICE mex file and de421.bsp binary ephemeris file. Both are available at
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04 Feb 2013 1.1

Added MICE version of this script in the archive.

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