Moon Position

Position of the Moon referred to the mean equator and equinox of J2000
Updated 4 Dec 2022

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Five different approaches are used in the test_MoonPosition.m for the computation of lunar coordinates; NASA JPL Development Ephemerides (DE440), very accurate ELP2000-82, high-precision analytical series (Brown's theory), low-precision analytical series, and Simpson analytical method.
1. Montenbruck O., Gill E.; Satellite Orbits: Models, Methods and Applications; Springer Verlag, Heidelberg; Corrected 3rd Printing (2005).
2. Montenbruck O., Pfleger T.; Astronomy on the Personal Computer; Springer Verlag, Heidelberg; 4th edition (2000).
3. Vallado D. A; Fundamentals of Astrodynamics and Applications; McGraw-Hill; New York; 3rd edition (2007).
4. van Flandern T. C., Pulkkinen K. F.; Low precision formulae for planetary positions; Astrophysical Journal Supplement Series 41, 391 (1979).

Cite As

Meysam Mahooti (2024). Moon Position (, MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2021b
Compatible with any release
Platform Compatibility
Windows macOS Linux
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Version Published Release Notes

JPL Developement Ephemerides DE436 was replaced by DE440, and Mjday.m was modified.

The DE436 full matrix is added.

JPL Development Ephemerides (DE430) is replaced by DE436.

Ephemeris Time (ET) is introduced as the best approximation of Barycentric Dynamical Time (TDB) and Terrestrial Time (TT) for prediction purposes. Moreover, very accurate ELP2000-82 lunar coordinates is computed.

Description is updated.
Revised on 2016-12-17.