Orbit Determination and Prediction, and Computer Programs

Autor:	A. J. Claus, W. C. Ridgway, R. B. Blackman, E. G. Halline
Rok vydání:	1963
Předmět:	Orbital elements Computer program Computer science General Engineering Geodesy Ephemeris IBM 1620 Satellite Astrophysics::Earth and Planetary Astrophysics IBM Orbit (control theory) Orbit determination computer Algorithm computer.programming_language
Zdroj:	Bell System Technical Journal. 42:1357-1382
ISSN:	0005-8580
DOI:	10.1002/j.1538-7305.1963.tb04037.x
Popis:	Orbit determination and prediction programs are needed to generate ephemerides for the satellite. Orbit determination is from tracking data consisting of angles only, and is based on a modified version of a method by R. E. Briggs and J. W. Slowey of the Smithsonian Institution. Trends in the data due to perturbations from a Keplerian orbit are removed before this process, and estimates of the orbital elements from individual passes are combined statistically to produce refined estimates. Ephemeris calculation is by a semi-analytic method in which deviations from a Keplerian orbit are obtained by integrating the perturbing forces. The programs to implement these procedures have been written for both the IBM 7090 and the IBM 1620 computers.
Databáze:	OpenAIRE
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