The fourth edition features several exciting changes to this exceptional book. Extended to pages, including a new chapter on interplanetary missions, there are ground illumination calculations, Moon rise and set data, and a listing of relevant Internet sites. Moreover, there are improved and expanded discussions of coordinate systems, orbit determination and differential correction. It is not only the perfect textbook, but a superb reference book that will be used over and over again in practical astrodynamics. Summary The increased power of microcomputers has changed the study of perturbations perhaps more than any other subfield of astrodynamics, but students and practitioners still need a compendium of well-documented algorithms to use that power. It attempts to use new programming capabilities to exploit the keys for the future-- standardizing, documenting, modularity, efficiency, and maintainability.
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I believe it is for this reason that Fundamentals of Astrodynamics and Applications has so rapidly become the standard astrodynamics reference for those of us in the business of spaceflight. This fourth edition will be available in softcover, hardback and eBook forms, and can be purchased at www.
While prior editions were useful and popular throughout the community, there are a number of reasons why we believe the fourth edition will be even more so. There are many reworked examples and derivations. The new edition has grown to over pages, including an entirely new chapter on interplanetary motion as well as an improved and expanded discussion of the latest coordinate systems.
We hope that you will find this book to be as useful and productive as those of us at Microcosm have. To me, a good measure of its real utility is the fact that nearly every engineer in our Space Systems Division has purchased one for themselves with their own hard-earned money. The book is not only an excellent textbook; it is a superb reference that will be used over and over in practical astrodynamics. Fundamentals of Astrodynamics and Applications has been a part of the Space Technology Library for over a decade now.
To you, our readers, we are certain that you will enjoy the clarity and simplicity with which Dave both derives and explains modern, applied astrodynamics. To Dave Vallado, we thank you once again for all your hard work and for giving us a current and comprehensive text and reference. James R. During the early s, tremendous progress took place in astrodynamics, partly due to the U.
But in the s and s, the computer industry took gigantic steps, so now is the time to capitalize on advancements in both areas. Well, yes and no. Today, advances in computer technology allow students and practitioners to determine orbits with high precision on a PC, but they need a compendium of well-documented algorithms to use that power.
Hence, this book. The days of studying just one discipline are nearly over. As older managers retire and newer computer systems arrive, the need is more pressing than ever for a new look at traditional astrodynamics. The keys for the future are standardization and documentation, modularity, efficiency, and maintainability. This book attempts to use the new programming capabilities to exploit each of these areas.
Too often, books are written mainly for academics; writers forget that engineers need simple algorithms and examples to use in everyday operations. Redoing fundamental problems is useful to learn the basics, but we can save steps and therefore time and money by presenting the material straightforwardly, with consistent notation.
In this book I present many independent algorithms. Admittedly, some routines will share algorithms, but with a little thought, this becomes only a minor issue. Efficiency is important, yet elusive.
During the development, we can consider some simple guidelines that will make routines run much faster. My goal in writing this book has been within some reasonable bounds for the overall length to derive and detail each algorithm to about the same level to provide a solid foundation. You may need some prerequisites for this book.
It tries to bridge topics in astrodynamics from undergraduate courses with follow-on, graduate-level topics. The book covers theory, applications, and interpretations through numerous examples. The idea is to blend real-world operations with a theoretical understanding of the mechanics at work. Computer source code is available via the Internet. It details test cases and code in several languages.
This book is intended to introduce astrodynamics to the undergraduate, and to lay a solid foundation for graduate-level studies. As such, it covers a wide scope of topics, some of which are primarily for academic purposes, while others are for general interest.
Topics in astronomy are introduced where relevant to astrodynamics and the study of Earth-orbiting satellites, as well as for general information. However, you can consult any number of introductory astronomy books to provide an answer to that question! The first 7 chapters discuss primarily two-body motion.
In particular, the first five chapters were re-ordered from the first edition to better match undergraduate curricula. This permits initial analysis of orbits, and sets the stage for the coordinate and time system discussions in Chap. The original Chap. This provides a more consolidated discussion of observations and celestial phenomena. The last 5 chapters discuss more advanced topics, and concentrate on propagation numerical and analytical , differential correction, and an introduction to interplanetary flight.
These topics form the heart of orbit determination systems, whether they handle 20, objects in Earth orbit, or a single satellite. I tried to keep all the similar material in the same chapter to avoid looking back several chapters to see the various approaches to accomplish a task.
There are many detailed derivations, culminating in an algorithm, suitable for programming a computer. I provide comments about computer programming because of the importance computers have become today in all disciplines. For the seasoned veteran, the algorithm may be trivial, and the computer coding comments may be unwarranted. For the student, these extra items may be the means to understanding, if not simply getting the program to work!
The derivation ensures that the assumptions, methodology, and rationale are clear for each technique. A very brief review of vectors, matrices and some numerical techniques are included in Appendix C.
These do not fully explain the concepts, but rather to introduce my notation and nomenclature. For the casual reader, instructor, etc. I include the number of the chapter in which they are cited, and the references indicate page numbers to help you find the citation quickly. I recommend a few texts that are especially good in certain areas.
This list is not exhaustive! First, an understanding of analytical geometry, introductory calculus, differential equations, and basic computer programming are very useful. I include comments that apply to any computer programming language, and basic skills will be very useful. Data structures can also be helpful, depending on the additional computer programs that are assigned during a class.
The estimation sections will benefit from introductory knowledge of statistics and probability theory. I encourage you to contact myself or Wayne McClain by email for any questions you discover. All comments are important! First and foremost, I thank my parents who have encouraged me throughout my life. My early childhood memories are of the s, when the Cold War raged, the Cuban missile crisis arose, and Vietnam erupted.
To their credit, my parents somehow diverted my attention toward one of the most important events to occur in recent history: the effort to land a man on the Moon. Space was the obvious choice as the final frontier. As the primary technical reviewer, he helped me refine this book into a polished presentation. His insight and extensive experience were irreplacable.
Also, his patience with my ever-changing ideas and endless questions was truly remarkable! He provided extensive technical contributions to the book resulting from his experience in the field. The Charles Stark Draper Laboratory also deserves credit for granting Wayne McClain the time necessary to provide a thorough review of this work.
These works add a lot of practical insight and applications to my presentations. Although I changed the look of his handbook material, much of the content remains, and I tried to keep the original intent he achieved many years ago.
She also provided valuable reviews and derivations. Air Force Academy in This area has been neglected for much too long. Mike Gabor helped refine this chapter into its final form. Much of the chapter was adapted from his dissertation. Some examples are from his work. This represents a unique collection of data which was formerly difficult to obtain. I received tremendous support from many people throughout the astrodynamics community.
For the first edition, these folks did extensive work to mold, shape, and correct the book. Any book written mostly by an engineer needs fine tuning to become a complete work. For the first edition, Daryl Boden assisted as a technical editor and provided technical insight for the text. Perry Luckett, a former professor of mine, really came to the rescue. He clarified ideas through more direct language, standardized or sharpened figures and tables, and kept my English in line!
Their support for, and perseverance with, this long project was invaluable. Several people formatted the first edition in FrameMaker Ver. I began the typing and oversaw the operation throughout. Elsie Lugo deserves great credit for helping me create the first draft.
Linda Pranke continued as production editor through the many intermediate drafts until the book was close to publication. She not only endured my cryptic notations but attended to every detail and caught inconsistencies that might have confused readers. She really made this book happen—despite my endless changes!
The first edition also owes many thanks to Margaret Hollander and Wiley Larson for getting the book published and on the streets. I list them here, alphabetically, as their attention to detail makes this book far better than I could have ever imagined!
Their insight, in-depth knowledge, and attention to detail were invaluable in making the later editions a reality. This fourth edition used FrameMaker Ver While some difficulties exist with its ability to handle extended metafiles, I was able to work around most of them.
Fundamentals of Astrodynamics and Applications