Astrophysics

   

On the Secular Recession of Earth-Moon System as an Azimuthal Gravitational Phenomenon

Authors: Nyambuya G. G., Makwanya T., Tuturu B. A., Tsoka, W.

We here apply the ASTG-model to the observed anomalous secular trend in the mean Sun-(Earth-Moon) and Earth-Moon distances. For the recession of the Earth-Moon system, in agreement with observation, we obtain a recession of about 11.20 ± 0.20 cm/yr. The ASTG-model predicts orbital drift as being a result of the orbital inclination and the Solar mass loss rate. The Newtonian gravitational constant G is assumed to be absolute time constant. Standish (2005); Krasinsky and Brumberg (2004) reported for the Earth-Moon system, an orbital recession from the Sun of about (15.00 ± 4.00) cm/yr; while Williams et al. (2004); Williams and Boggs (2009); Williams et al. (2014) report for the Moon, an orbital recession of about 38.00 mm/yr from the Earth. The predictions of the ASTG-model for the Earth-Moon system agrees very well with those the findings of Standish (2005); Krasinsky and Brumberg (2004). The lost orbital angular momen-tum for the Earth-Moon system – which we here hypothesize to be gained as spin by the two body Earth-Moon system; this lost angular momentum accounts very well for the observed lunar drift, therefore, one can safely safely say that the ASTG-model does to a reasonable degree of accuracy predict the observed lunar drift of about 38.00 mm/yr from the Earth.

Comments: 13 Pages. Published: Nyambuya G. G., Makwanya T., Tuturu B. A., & Tsoka, W., (2015), ‘On the Secular Recession of the Earth-Moon System as an Azimuthal Gravitational Phenomenon’, Astrophys. & Space Sci., Jun. 2, Vol. 358(1): pp.1-12. (doi:10.1007/s10509-015-2394-4)

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[v1] 2016-11-13 03:14:33

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