Use of optical and radio astrometric observations of planets, satellites and spacecraft for ephemeris astronomy

Details Use of optical and radio astrometric observations of planets, satellites and spacecraft for ephemeris astronomy Use of optical and radio astrometric observations of planets, satellites and spacecraft for ephemeris astronomy

Jul 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008iaus..248...20p&link_type=abstract

A Giant Step: from Milli- to Micro-arcsecond Astrometry, Proceedings of the International Astronomical Union, IAU Symposium, Vol

Astronomy and Astrophysics

Astronomy

10

Astrometry, Ephemerides, Reference Systems

Scientific paper

Different types of radiometric observations of planets and spacecraft, as well as optical data used for constructing modern high-precision planet ephemerides are presented. New mass values for planets and asteroids are given. The IAA RAS EPM ephemerides (Ephemerides of Planets and the Moon) are the basis for the Russian “Astronomical Yearbook” and are used in the navigation program “GLONASS” and the cosmic program “Phobos-Grunt”.

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