Eclipses intervals for satellites in elliptical orbit under effects of solar radiation pressure and earth’s oblatness
M. N., I., A., B., H. H., S., M. H., S. (2015). Eclipses intervals for satellites in elliptical orbit under effects of solar radiation pressure and earth’s oblatness. EKB Journal Management System, 26(Issue 1-B), 17-22. doi: 10.21608/absb.2015.22633
Ismail M. N.; Bakry A.; Se lim H. H.; Shehata M. H.. "Eclipses intervals for satellites in elliptical orbit under effects of solar radiation pressure and earth’s oblatness". EKB Journal Management System, 26, Issue 1-B, 2015, 17-22. doi: 10.21608/absb.2015.22633
M. N., I., A., B., H. H., S., M. H., S. (2015). 'Eclipses intervals for satellites in elliptical orbit under effects of solar radiation pressure and earth’s oblatness', EKB Journal Management System, 26(Issue 1-B), pp. 17-22. doi: 10.21608/absb.2015.22633
M. N., I., A., B., H. H., S., M. H., S. Eclipses intervals for satellites in elliptical orbit under effects of solar radiation pressure and earth’s oblatness. EKB Journal Management System, 2015; 26(Issue 1-B): 17-22. doi: 10.21608/absb.2015.22633

Eclipses intervals for satellites in elliptical orbit under effects of solar radiation pressure and earth’s oblatness

Al-Azhar Bulletin of Science
Article 6, Volume 26, Issue 1-B, June 2015, Page 17-22  XML PDF (582.67 K)
Document Type: Original Article
DOI: 10.21608/absb.2015.22633
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Authors
Ismail M. N.* 1; Bakry A.1; Se lim H. H.2; Shehata M. H.2
1Departments of Astronomy and Metrology* Faculty of Science, Al-Azhar University, Egypt
2National Research Institute of Astronomy and Geophysics (NRIAG)
Abstract
The eclipse of a satellite in elliptical orbit is studied. The geocentric angle in the orbital plane between the perigee and conjunction point is determined. Eclipse times and duration of eclipse for elliptical orbits are obtained. The effects of the direct solar radiation pressure on the orbital elements are calculated taken into account the eclipses intervals. An application on the MOLNIYA 1-87 artificial satellite is done.
Keywords
Perturbations Theory; Circular orbital motion; Earth’s gravity; Radiation pressure effects; Shadow function
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