Results 131 to 140 of about 700 (166)

4. Ephemerides (Ephemerides)

Transactions of the International Astronomical Union, 1988
This report covers the period from 1 July 1984 to 30 June 1987. The ephemerides that have been published during this period have made use of the new system of astronomical constants adopted at the XVIth General Assembly of the lAU in Grenoble. Yet some difficulties have arisen because of the lack of catalogues or maps of the heavens established for the
B. Morando   +9 more
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Planetary Ephemerides

International Astronomical Union Colloquium, 1980
AbstractIn the past twenty years there has been a great amount of growth in radiometric observing methods, as well as in classical optical observations. Through radar ranging and Doppler observations of the planets and spacecraft, we have been able to improve our knowledge of the location and motion of the planets by several orders of magnitude and ...
Jay H. Lieske, E. Myles Standish
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Satellite orbits and ephemerides

Celestial Mechanics, 1984
This review considers theoretical work leading to the actual knowledge of the motions of all planetary satellites, except the Moon. It covers recent calculations of inequalities of satellites’ motions and the determination of their orbits on the basis of existing observational data.
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Ephemerides in chebyshev series

Mechanics Research Communications, 1974
In c e l e s t i a l m e c h a n i c s one c a l l s t h e o r y a d i c t i o n a r y o f f o r mulas t o r e p r e s e n t a p p r o x i m a t e l y a c l a s s o f s o l u t i o n s to v a r i a n t s o f t h e p r o b l e m o f n b o d i e s . The l i t e r a l s e r i e s a r e e v a l u a t e d a t e q u i d i s t a n t t i m e s , and t h e r e ...
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Ephemerides

Moreana, 1966
Edgar W. Woolard, Gerald M. Clemence
openaire   +2 more sources

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