This chapter contains sections titled:
Earth and Sun
Observational Reference Frames
Measurement of Time
Calendars and the J2000 Reference Epoch
Chronological Scale
Astrometric Reference Frames
Orbital Mechanics
Solar System Orbit Models
GPS Orbit Models
Night Sky
Positional Astronomy
2009-04-17
59 pages
Article/Chapter (Book)
Electronic Resource
English
positional astronomy , chronological scale , observational reference frames ‐ first equatorial frame , GPS Orbit Models 183 ‐ GPS Almanac Model 184, GPS Ephemeris Model , orbital mechanics and Kepler's laws , measurement of time ‐ diurnal cycle , calendars and the J2000 reference epoch , astrometric reference frames , solar system orbit models ‐ planetary data
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