VISIBILITY INTERVALS BETWEEN TWO SATELLITES ORBITS UNDER J2-GRAVITY AND DRAG FORCE
W.N., A., M.E., A., I.A., H., M.K., A., M. R., A. (2015). VISIBILITY INTERVALS BETWEEN TWO SATELLITES ORBITS UNDER J2-GRAVITY AND DRAG FORCE. EKB Journal Management System, 26(Issue 2-B), 1-10. doi: 10.21608/absb.2015.22634
AHMED W.N.; AWAD M.E.; HASSAN I.A.; AMMAR M.K.; AMIN M. R.. "VISIBILITY INTERVALS BETWEEN TWO SATELLITES ORBITS UNDER J2-GRAVITY AND DRAG FORCE". EKB Journal Management System, 26, Issue 2-B, 2015, 1-10. doi: 10.21608/absb.2015.22634
W.N., A., M.E., A., I.A., H., M.K., A., M. R., A. (2015). 'VISIBILITY INTERVALS BETWEEN TWO SATELLITES ORBITS UNDER J2-GRAVITY AND DRAG FORCE', EKB Journal Management System, 26(Issue 2-B), pp. 1-10. doi: 10.21608/absb.2015.22634
W.N., A., M.E., A., I.A., H., M.K., A., M. R., A. VISIBILITY INTERVALS BETWEEN TWO SATELLITES ORBITS UNDER J2-GRAVITY AND DRAG FORCE. EKB Journal Management System, 2015; 26(Issue 2-B): 1-10. doi: 10.21608/absb.2015.22634

VISIBILITY INTERVALS BETWEEN TWO SATELLITES ORBITS UNDER J2-GRAVITY AND DRAG FORCE

Al-Azhar Bulletin of Science
Article 2, Volume 26, Issue 2-B, December 2015, Page 1-10  XML PDF (814.45 K)
Document Type: Original Article
DOI: 10.21608/absb.2015.22634
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Authors
AHMED W.N.* 1; AWAD M.E.2; HASSAN I.A.3; AMMAR M.K.4; AMIN M. R.1
1Departments of 1Applied Mathematics, Physics Division, National Research Centre.
2Astronomy, Faculty of science, Cairo University.
3Astronomy and Meteorology, Faculty of science, Al-Azhar University.
4Mathematic, Faculty of science, Helwan University.
Abstract
The research introduces a general analytical and computational technique for satellite-to-satellite visibility. The effect of earth’s oblateness and drag force were taken into account.The Visibility function in terms of the orbital elements of the two satellites and the time were derived. The rise and set periods of the satellites are determined through the sign of the visibility function. Numerical examples were worked for some satellites.
Keywords
Visibility function – line of site-; rise and set times-Earth oblateness- Drag force
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