Interest of old data for the determination of the heliocentric distance of Pluto

Abstract : Pluto was discovered in 1930. It is also the multiple system which has been known for the longest time with the discovery of its first satellite Charon in 1978. Because of Pluto's distance to the Sun, the system still has not completed a revolution since its discovery, hence an uncertain heliocentric distance. The difference between the different ephemeris available far exceeds the uncertainty needed for the mission New Horizons, that is 1,000 km. A new astrometric reduction of old photographic plates may be an efficient way to constrain it.
Type de document :
Communication dans un congrès
IMCCE. International Workshop NAROO-GAIA "A new reduction of old observations in the Gaia era", Paris Observatory, Jun 2012, Paris, France. pp. 53-58, 2013
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Contributeur : Observatoire de Paris Institut de Mécanique Céleste Et de Calcul Des Éphémérides <>
Soumis le : mardi 14 mai 2013 - 10:27:13
Dernière modification le : lundi 29 mai 2017 - 14:35:04
Document(s) archivé(s) le : vendredi 31 mars 2017 - 16:45:36

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Laurène Beauvalet. Interest of old data for the determination of the heliocentric distance of Pluto. IMCCE. International Workshop NAROO-GAIA "A new reduction of old observations in the Gaia era", Paris Observatory, Jun 2012, Paris, France. pp. 53-58, 2013. 〈hal-00758145〉

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