Abstract
This paper contains simplified formulas for the geodetic latitude and for the height of a body whose position is given in terms of geocentric equatorial coordinates. The results are applicable to the problem of finding the sub-vehicle point and height of a spaceship or missile.
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Getchell, B.C. Geodetic latitude and altitude from geocentric coordinates. Celestial Mechanics 5, 300–302 (1972). https://doi.org/10.1007/BF01228431
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DOI: https://doi.org/10.1007/BF01228431