Satellite Orbit and Ephemeris Determination using Inter Satellite Links

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Simulations and ResultsInter Satellite LinksFigure 6-11 Ground Tracks of LEO ConstellationThe coverage of such a constellation is much better than that of the pure LEO constellation,due to widely visible GEOs. Nevertheless, the pole regions are also uncovered, because theGEO have a 0° inclination.Figure 6-12 Visibility of LEO – GEO ConstellationPage 102R. Wolf
Inter Satellite LinksSimulations and Results6.1.1.7 Galileo 1 (Pure MEO)The future GNSS 2, as planned by ESA, is named Galileo. As far as the orbits are concerned,two options have been chosen, both medium altitude earth orbits (MEO) with a orbit periodaround 12 hours. This is very similar to both existing satellite navigation systems, GPS andGLONASS.The first option is a pure MEO 33 / 3 / 1 Walker constellation with an inclination of 50.2° andan orbit altitude of 23983 km. The orbital period is approximately 14 hours. The followingpicture shows the ground track and S/V positions, as well as the station locations of theproposed ground network.Figure 6-13 Ground Tracks of Galileo Option 1 ConstellationThe next picture shows the earth coverage of that constellation, which is very good. Veryoften more 10S/V or more are visible at the same time. This no surprise, taking into accountthe relative large number of satellites at high orbit altitude.R. Wolf Page 103
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Satellite Orbit and EphemerisDeterm
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Inter Satellite LinksAbstractGlobal
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Inter Satellite LinksTable of Conte
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Inter Satellite Links6.2.2 IGSO WAL
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Inter Satellite LinksList of Figure
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Inter Satellite LinksFigure 6-38 Tr
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Inter Satellite LinksList of Tables
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Inter Satellite LinksIntroduction1
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Inter Satellite LinksIntroductionGE
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Inter Satellite LinksState Estimati
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State EstimationInter Satellite Lin
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Orbit ComputationInter Satellite Li
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Satellite Orbit and Ephemeris Determination using Inter Satellite Links

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