Comparison between Two Methods to Calculate the Transition Matrix of Orbit Motion

Ana Paula Marins Chiaradia, Hélio Koiti Kuga and Antonio Fernando Bertachini de Almeida Prado

Mathematical Problems in Engineering, 2012, vol. 2012, 1-12

Abstract:

Two methods to evaluate the state transition matrix are implemented and analyzed to verify the computational cost and the accuracy of both methods. This evaluation represents one of the highest computational costs on the artificial satellite orbit determination task. The first method is an approximation of the Keplerian motion, providing an analytical solution which is then calculated numerically by solving Kepler's equation. The second one is a local numerical approximation that includes the effect of ð ½ 2 . The analysis is performed comparing these two methods with a reference generated by a numerical integrator. For small intervals of time (1 to 10 s) and when one needs more accuracy, it is recommended to use the second method, since the CPU time does not excessively overload the computer during the orbit determination procedure. For larger intervals of time and when one expects more stability on the calculation, it is recommended to use the first method.

Date: 2012
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:768973

DOI: 10.1155/2012/768973

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