Summary
Nonlinear orbit equations of Einstein (general relativity), Moffat (nonsymmetric gravitation), and the authors’ (gravitational charge and potential) are compared, and shown to bo equivalent to a canonicallinear equation having constant coefficients, and right side a constant plus trigonometric polynomial of very small amplitudes. The authors propose also a linear equation in 3-dimensional time.
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Bell, A.B., Bell, D.M. Comparison of four orbit equations. Lett. Nuovo Cimento 44, 624–628 (1985). https://doi.org/10.1007/BF02746775
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DOI: https://doi.org/10.1007/BF02746775