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This paper continues a comparative analysis of modern satellite models of the Earth's gravity which we started in [6, 7]. In the cited works, the uniform norms of spherical functions were compared with their gradients for individual harmonics of the geopotential expansion [6] and the potential differences were compared with the gravitational accelerations obtained in various models of the Earths gravity [7]. In practice, it is important to know how consistently the EAS motion is represented by various geopotential models. Unless otherwise stated, a model version in which the equations of motion are written using the classical Encke scheme and integrated together with the variation equations by the implicit one-step Everhart's algorithm [1] was used. When calculating coordinates and velocities on the integration step (at given instants of time), the approximate Everhart formula was employed.
Язык оригиналаАнглийский
Страницы (с-по)305-312
Число страниц8
ЖурналCosmic Research
Том40
Номер выпуска3
DOI
СостояниеОпубликовано - 2002

    Предметные области WoS

  • Технологии, Аэрокосмические
  • Астрономия и астрофизика

ID: 43090727