Predicting Orbital Events of the Moon

版本 1.3.0.0 (108.9 MB) 作者: David Eagle
A MATLAB script named lunar_events that can be used to compute important orbital events of the Moon's motion.
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更新时间 2025/1/14

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This submission is a MATLAB script named lunar_events that can be used to compute important orbital events of the Moon’s geocentric motion. The motion of the Moon is modeled using the JPL DE430 binary ephemeris (de430.bsp). This script also uses routines from the MICE software suite to read and evaluate this ephemeris.
The MICE routines and other ephemeris files are available at naif.jpl.nasa.gov/naif/toolkit_MATLAB.html. MICE is a MATLAB implementation of the SPICE library created by JPL.
Using a combination of one-dimensional minimization and root-finding, the lunar_events MATLAB script computes the following geocentric characteristics of the Moon’s orbital motion.
  • apogee and perigee
  • minimum and maximum geocentric declination
  • user-defined geocentric right ascension
  • user-defined geocentric declination
  • user-defined true anomaly
  • minimum and maximum orbital eccentricity
  • nodal crossings
Script options 1, 2, and 6 are minimum and maximum conditions of the lunar orbit. The nodal crossings correspond to times when the ascending or descending Moon crosses the Earth’s equatorial plane.

引用格式

David Eagle (2025). Predicting Orbital Events of the Moon (https://ww2.mathworks.cn/matlabcentral/fileexchange/39946-predicting-orbital-events-of-the-moon), MATLAB Central File Exchange. 检索时间: .

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创建方式 R2024a
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版本 已发布 发行说明
1.3.0.0

epoch not displayed bug fix
1.2.0.0

Updated several support functions. Updated PDF documentation.
1.1.0.0

Added additional orbital events to the script. Updated the PDF document to reflect these changes.
1.0.0.0