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GNSS Satellites Orbit: Difference between revisions

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{{Article Infobox2
{{Article Infobox2
|Category=Fundamentals
|Category=Fundamentals
|Authors=J. Sanz Subirana, J.M. Juan Zornoza and M. Hernández-Pajares, Technical University of Catalonia, Spain.
|Level=Basic
|YearOfPublication=2011
|Title={{PAGENAME}}
|Title={{PAGENAME}}
|Authors= J. Sanz Subirana, JM. Juan Zornoza and M. Hernandez-Pajares, University of Catalunia, Spain.
|Level=Medium
|YearOfPublication=2011
|Logo=gAGE
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}}
The knowledge of the orbits and clocks of the satellites is fundamental to have a right positioning. Any error in the GNSS satellite coordinates or satellite clock will affect the positioning accuracy. Information about orbital parameters and clocks is transmitted in the navigation message. Precise ephemeris and clocks are also provided by some organisations as IGS.


The knowledge of the orbits and clocks of the satellites is fundamental to have a right positioning. Any error in the GNSS} satellite coordinates or satellite clock will affect the positioning accuracy. Information about orbital parameters and clocks is transmitted in the navigation message. Precise ephemeris and clocks are also provided by some organisations as IGS.


In the following articles, orbital elements are defined, the navigation message is introduced, and the algorithms for satellite coordinate calculation from the GNSS ([[GPS]],[[GLONASS]] and [[GALILEO|Galileo}}) broadcast and precise ephemeris are detailed.
In the following articles, orbital elements are defined, the navigation message is introduced, and the algorithms for satellite coordinate calculation from the GNSS ([[GPS]],[[GLONASS General Introduction|GLONASS]] and [[Galileo General Introduction|Galileo]]) broadcast and precise ephemeris are detailed.


* [[Two-body Problem]]
:* [[Two-body Problem]]
* [[Perturbed motion]]
:* [[Perturbed Motion]]
* [[GNSS broadcast orbits]]
:* [[GNSS Broadcast Orbits]]




[[Category:Fundamentals]]
[[Category:Fundamentals]]
[[Category:GNSS Time Reference, Coordinate Frames and Orbits]]

Latest revision as of 21:17, 21 July 2018


FundamentalsFundamentals
Title GNSS Satellites Orbit
Author(s) J. Sanz Subirana, J.M. Juan Zornoza and M. Hernández-Pajares, Technical University of Catalonia, Spain.
Level Basic
Year of Publication 2011

The knowledge of the orbits and clocks of the satellites is fundamental to have a right positioning. Any error in the GNSS satellite coordinates or satellite clock will affect the positioning accuracy. Information about orbital parameters and clocks is transmitted in the navigation message. Precise ephemeris and clocks are also provided by some organisations as IGS.


In the following articles, orbital elements are defined, the navigation message is introduced, and the algorithms for satellite coordinate calculation from the GNSS (GPS,GLONASS and Galileo) broadcast and precise ephemeris are detailed.