Astronomy and Astrophysics – Astrophysics – Earth and Planetary Astrophysics
Scientific paper
2011-04-04
Annals of the University of Bucharest (mathematical series) 2 (LIX) 2010, 227-236
Astronomy and Astrophysics
Astrophysics
Earth and Planetary Astrophysics
10 pages, no figures
Scientific paper
The first determination of the perihelion advance of Mercury's orbit was obtained by Leverrier from the analysis of the transit contacts of the planet on the solar disk. He obtained for the advance the value \delta \pi ' = 38".3/century, considering that the value \delta e', namely the correction of the variation of the planet's orbit eccentricity, is negligible. In this paper \delta \pi ' and \delta e' are calculated by the least squares method, on the basis of the meridian observations used by Leverrier. Thus, we obtain for advance the value \delta \pi ' = 42".8/century, which is close to the one given in the theory of general relativity. The same, we obtained the value \delta e' = -0".044/year, which is lower in absolute value than Leverrier's estimation \delta e' = -0".0806/year.
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