Accurate analytical representation of Pluto modern ephemerisстатья
Статья опубликована в высокорейтинговом журнале
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:An accurate development of the latest JPL’s numerical ephemeris of Pluto,
DE421, to compact analytical series is done. Rectangular barycentric ICRF coordinates of
Pluto from DE421 are approximated by compact Fourier series with a maximum error of
1.3 kmover 1900–2050 (the entire time interval covered by the ephemeris). To calculate Pluto
positions relative to the Sun, a development of rectangular heliocentric ICRF coordinates of
the Solar System barycenter to Poisson series is additionally made. As a result, DE421 Pluto
heliocentric positions by the new analytical series are represented to an accuracy of better
than 5 km over 1900–2050.