Results 211 to 220 of about 22,593 (246)
Spectroscopic insights into the near-earth didymos-dimorphos binary system following the double asteroid redirection test (DART) mission impact. [PDF]
Nat CommunLazzarin M +21 more
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Elemente und Ephemeride für Isis und Ephemeride für Harmonia [PDF]
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An Investigation of Real-Time Galileo/GPS Integrated Precise Kinematic Time Transfer Based on Galileo HAS Service. [PDF]
Sensors (Basel)Xu L +8 more
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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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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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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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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, 1984This 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, 1974In 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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