Comet Pons-Winnecke. Geocentric Dynamica
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R. T. A. Innes
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Article
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1928
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John Wiley and Sons
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English
⚖ 324 KB
It is impossible for two reasons, to compute a precise geocentric ephemeris of this comet in the ordinary way during the time of its closest approach to the Earth. The first reason is that the solar ephemeris is only given to 7 aecimals, and this is not sufficient when the comet's coordinates are ne