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Abstract:
Covariance estimates are becoming more widely available as flight dynamics operations work to-wards greater accuracy. Investigators have looked at how covariance matrices are propagated, to in-clude orbital state formats and coordinate systems. Various equations to convert between orbital state formats and satellite coordinate systems are essential for proper use and analysis. The litera-ture contains many examples. Vallado (2003) presented a complete set of equations, but advised that a few inconsistencies were found. We have corrected those errors and provide the results. Test results are given for several cases, and MatLab code is available.
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Citation:
Vallado, David A. and Salvatore Alfano. 2015. Updated Analytical Partials for Covariance Transformations and Optimization. Paper AAS-15-237 presented at the AAS/AIAA Astrodynamics Specialist Conference, August 9-13. Vail, CO, accessible at https://comspoc.com/Resources/Content/Private/C-20220425T172348/Paper/AAS%2015-537%20Updated%20Analytical%20Partials%20for%20Covariance%20Transformations%20and%20OptimizationFinal%20Rev%203.pdf.
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