Fundamentals of astrodynamics and applications vallado pdf github

Last updated 2023 May 10

ISBN: 978-1881883210 and 978-1881883227. Pages: 1122. Publisher: Microcosm Press Year: March 2022. This edition is available in softcover (List $120.00/Microcosm $97.00), hardbound (List $180.00/Microcosm $160.00), and e-book (coming soon from RedShelf.com List TBD) formats.

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Errata listing for First Edition (as of 2000 Apr 19)
Errata listing for Second Edition (as of 2004 Aug 01)
Errata listing for Second Edition, Second Printing (as of 2006 February 18)
Errata listing for Third Edition (as of 2011 Jun 20)
Errata listing for Fourth Edition [Consolidated Errata for all editions] (as of 2019 Jun 18)
Errata listing for Fifth Edition (as of 2023 Mar 2)

Computer software in FORTRAN (as of 2023 May 09)
Computer software in C++ (as of 2023 May 09)
Computer software in Pascal (as of 2023 May 09)
Computer software in MATLAB (as of 2023 May 09)
Computer software in C# (as of 2023 May 09)
Data for all versions (as of 2023 May 09)

Some of the code is available in other languages, although not all routines are present. Examples are Java and Excel (VBA).

The code is available in several languages, and it is organized roughly according to function. Where feasible, all the time routines are in one file, the math techniques in another, and so forth.

AST2BODY	Two-body relations
COMPLX	Complex math
CONSTS	Constants WGS-84, JGM-2, etc.
ASTDC	Differential correction
ASTINTER	Interplanetary
ASTIOD	Initial orbit determination
ASTMANV	Maneuvers
ASTMATH	Math
ASTPERT	Perturbation
ASTREDUC	Reduction of coordinates
ASTTIME	Time
ASTUTIL	Character operations
SGP4UNIT	SGP4 routines
See "Revisiting Spacetrack Report #3" [AIAA 2006-6753] for more details.
SGP4DC	SGP4 Orbit Determination routines
See "SGP4 Orbit Determination" [AIAA 2008-6770] for more details.

Several data files are needed for some of the files.

NUT85.DAT	Nutation coefficients for planetary 85
NUTATION.DAT	Nutation coefficients for 106
ATMOSEXP.DAT	Sample exponential atmosphere values
TESTASTF.DAT	Input for sample test program
SENSOR.DAT	Sensor sample values
GEOS1.IN	DC input test 1
GEOS2.IN	DC input test 2
GEOS5.IN	DC input test 5
GEOS1.TXT	DC sample output results 1
GEOS2.TXT	DC sample output results 2
GEOS5.TXT	DC sample output results 5
SGP4-VER.TLE	Sample SGP4 test cases

Within each file there are specific routines to accomplish various operations. Effort has been taken to use similar names and function scopes, although there are some differences based on language features. The SOFTWARE worksheet discusses the specific routines that are available within each larger technical area.

The ALGORITHMS worksheet lists which routines are available (MATLAB).

The EXAMPLES worksheet lists what MATLAB scripts will perform the example exercises in the text. Many are complete, but a few remain to finish all the examples in the text.

The test program is a simple program that executes the input/output operations of each subroutine in that package. There isn't anything fancy about it. It's just intended to be a quick check of the answers. The TESTASTF.DAT file contains my results using the codes. Additional work is needed to update this file, but it's a start.

These scenarios are useful to see the various transfers in 3-D. Other scenarios are in various stages of development.

Questions and comments:
Work e-mail: dvallado@comspoc.com
Personal e-mail: davallado@gmail.com
Work telephone: 877-292-CSSI

Dr. T.S. Kelso [TS.Kelso@celestrak.org]
Follow @CelesTrak and @TSKelso on Twitter
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