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Broadcast ephemerides for LEO augmentation satellites based on nonsingular elements
GPS Solutions, 2021Lingdong Meng +3 more
semanticscholar +1 more source
1995
The civil calendar of ancient Mesopotamia was a lunar calendar, i.e., the beginning of each month was determined by the first visibility of the new crescent.
openaire +2 more sources
The civil calendar of ancient Mesopotamia was a lunar calendar, i.e., the beginning of each month was determined by the first visibility of the new crescent.
openaire +2 more sources
Ephemerides of planetary satellites
2007International ...
Lainey, Valéry, Vienne, Alain
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Ibis, 1938 Broadcast versus precise ephemerides: a multi-GNSS perspective
GPS Solutions, 2015O. Montenbruck +2 more
semanticscholar +1 more source
Estimation of the lunar free libration modes based on the recent ephemerides
Astrophysics and Space Science, 2019Yongzhang Yang +4 more
semanticscholar +1 more source