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The eccentricity and inclination variation of Moon's orbit | ||
| Al-Mustansiriyah Journal of Science | ||
| Article 1, Volume 24, Issue 4, 2013, Pages 125-138 | ||
| Author | ||
| Abdul Rahman H.S | ||
| Abstract | ||
| In the present work the locations of the moon is determined to calculate the orbital elements, which allows us to specify the possible date for monitoring the crescent moon . In this research we describe the orbits, orbit types and orbital elements then describe the orbit of the moon and the perturbations effect on some of the moon orbital elements as the eccentricity and inclination. The locations and velocity components of the Moon for some months are calculated by a complete our Quick Basic program anddeveloping this program to compute the time variation of the moon's orbital element with perturbations. Results for some months of 2010 gets that the eccentricity and the inclination of the Moon which are variable with date always the new values of eccentricity variation are between 0.056 - 0.18 and inclination between 24.9 – 26.05 as well as the variation of semi major axis with all effected perturbations, the accumulated variation can be gated by using many years, other useful of this research are gated the accurate Moon position, Moon rise, Moon set and crescent visibility date and time. | ||
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