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There are a total of 22 record(s) matching your query.
Sorted by: Date Added To NTRS in Descending order
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Local error control and its effects on the optimization of orbital integration
Author(s): Velez, C. E.
Abstract: Local error control concept effect on optimization of orbital integration by multistep process
NASA Center: Goddard Space Flight Center Publication Year: 1967
Added to NTRS: 2008-05-28
Accession Number: 68N11110; Document ID: 19680001642; Report Number: NASA-TM-X-63027, X-553-67-366
Cowell orbit generator error and time analysis program
Author(s): Cigarski, G. A.; Velez, C. E.
Abstract: Computer program for numerical integration of equations of motion for artificial earth satellite orbits
NASA Center: Goddard Space Flight Center Publication Year: 1967
Added to NTRS: 2008-05-16
Accession Number: 68N17080; Document ID: 19680007611; Report Number: NASA-TM-X-63085, X-553-67-491
The motion of a satellite of the moon
Author(s): Felsentreger, T. L.; Giacaglia, G. E. O.; Murphy, J. P.; Standish, E. M., Jr.; Velez, C. E.
Abstract: Analytical solution for motion of lunar orbital satellite
NASA Center: Goddard Space Flight Center Publication Year: 1966
Added to NTRS: 2006-11-06
Accession Number: 67N11392; Document ID: 19670002063; Report Number: NASA-TM-X-55295, X-547-65-218
Numerical integration of orbits in multirevolution steps
Author(s): Velez, C. E.
Abstract: Predictor-corrector algorithm applicable to numerical integration of satellite orbits in multirevolution steps
NASA Center: Goddard Space Flight Center Publication Year: 1967
Added to NTRS: 2006-11-06
Accession Number: 67N39995; Document ID: 19670030666; Report Number: NASA-TM-X-55966, X-542-67-341
Generalized multistep method as applied to trajectory determination
Author(s): Velez, C. E.
Abstract: Multistep integration formula for orbit trajectory determination
NASA Center: Goddard Space Flight Center Publication Year: 1970
Added to NTRS: 2006-08-02
Accession Number: 71N25301; Document ID: 19710015825
The calculation of efficient high precision orbits by optimum matching of the formulation and numerical integrator
Author(s): Velez, C. E.
Abstract: The development of improved computer algorithms is considered for calculating earth satellite orbital trajectories by optimum selection of the analytical method that minimizes the number of perturbative acceleration ...
NASA Center: Goddard Space Flight Center Publication Year: 1973
Added to NTRS: 2006-08-02
Accession Number: 73N27846; Document ID: 19730019114
General Lagrangian interpolation formulas
Author(s): Velez, C. E.
Abstract: General Lagrangian interpolation formulas
NASA Center: Goddard Space Flight Center Publication Year: 1968
Added to NTRS: 2005-08-25
Accession Number: 68N22809; Document ID: 19680013340; Report Number: NASA-TN-D-4424
Local-error control and its effects on the optimization of orbital integration
Author(s): Velez, C. E.
Abstract: Local error control for optimization of numerical integration orbit calculation techniques
NASA Center: Goddard Space Flight Center Publication Year: 1968
Added to NTRS: 2005-08-25
Accession Number: 68N25867; Document ID: 19680016395; Report Number: NASA-TN-D-4542
Numerical integration of orbits in multirevolution steps
Author(s): Velez, C. E.
Abstract: Multirevolution predictor-corrector algorithm applicability to numerical integration of orbits
NASA Center: Goddard Space Flight Center Publication Year: 1970
Added to NTRS: 2005-08-25
Accession Number: 70N37364; Document ID: 19700028048; Report Number: G-972, NASA-TN-D-5915
Astrodynamics 1975; Conference, Nassau, Bahamas, July 28-30, 1975, Technical Papers
Author(s): Powers, W. F.; Rauch, H. E.; Tapley, B. D.; Velez, C. E.
Abstract: Articles are grouped under four headings: (1) dynamics and control of satellites; (2) satellite mission analysis; (3) Aeros-B and Symphonie satellite engineering problems; (4) optimization and control techniques applied to ...
NASA Center: Goddard Space Flight Center Publication Year: 1976
Added to NTRS: 2004-11-03
Accession Number: 76A43154; Document ID: 19760060188
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