Chong-Hung Zee

Theory of Geostationary Satellites

• Broschiertes Buch

Produktbeschreibung

Geostationary or equatorial synchronous satellites are a daily reminder of our space efforts during the past two decades. The nightly television satellite weather picture, the intercontinental telecommunications of television transmissions and telephone conversations, and the establishrnent of educational programs in remote regions on Earth are constant reminders of the presence of these satellites. As used here, the term 'geo stationary' must be taken loosely because, in the long run, the satellites will not remain 'stationary' with respect to an Earth-fixed reference frame. This results from the fact that these satellites, as is true for all satellites, are incessantly subject to perturbations other than the central-body attraction of the Earth. Among the more predominant pertur bations are: the ellipticity of the Earth's equator, the Sun and Moon, and solar radiation pressure. Higher harmonics of the Earth's potential and tidal effects also influence satellite motion, but they are of second order when compared to the predominant perturbations. This volume deals with the theory of geostationary satellites. It consists of seven chapters. Chapter 1 provides a general discussion including a brief history of geostationary satellites and their practical applications. Chapter 2 describes the Earth's gravitational potential field and the methodology of solving the geostationary satellite problem. Chapter 3 treats the effect of Earth's equatorial ellipticity (triaxiality) on a geostationary satellite. Chapter 4 deals with the effects of the Sun and Moon on the satellite's motion while Chapter 5 presents the combined influences of the Sun, Moon and solar radiation pressure. Chapter 6 describes various station-keeping techniques which may be used to make geostationary satellites practically stationary. Finally, Chapter 7 describes the verification of the theory developed in Chapters 3, 4 and 5 by utilizing the Early Bird synchronous satellite observed data aswell as its numerically integrated results.

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Produktdetails

• Verlag: Springer / Springer Netherlands
• Artikelnr. des Verlages: 978-94-010-7662-3
• Softcover reprint of the original 1st ed. 1989
• Seitenzahl: 300
• Erscheinungstermin: 3. Oktober 2013
• Englisch
• Abmessung: 235mm x 155mm x 17mm
• Gewicht: 458g
• ISBN-13: 9789401076623
• ISBN-10: 9401076626
• Artikelnr.: 39494981

Inhaltsangabe

1 Introduction.- 2 The Earth's Gravitational Field and Basic Methodology.- 3 The Effect of Earth's Equatorial Ellipticity.- 4 Sun and Moon Effect.- 5 Combined Effects of the Sun, Moon, and Solar Radiation Pressure.- 6 Station-Keeping.- 7 Verification of the Theory by the Early Bird Synchronous Satellite.- Appendix A. The Fourth-Order Earth Gravitational Potential Model.- Appendix B. Constants in (4.97), (4.98), (4.103), and (4.104).- Appendix D. Expressions of Constants in (4.127), (4.128), and (5.39).- Appendix E. Satellite under the Influence of a Low Thrust Having a Fixed Angle with Its Orbital Radius Vector.- Appendix F. Fourth-Order Earth Gravitational Potential Model Constants Used in Numerical Integration Computer Program.