What are ground tracks? COE Determination a e i ï— ï· ? ? ? ? ? ? COE...

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    20-Dec-2015
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Transcript of What are ground tracks? COE Determination a e i ï— ï· ? ? ? ? ? ? COE...

  • Slide 1
  • Slide 2
  • Slide 3
  • What are ground tracks?
  • Slide 4
  • Slide 5
  • COE Determination
  • Slide 6
  • a e i ? ? ? ? ? ? COE Determination
  • Slide 7
  • Non-rotating Earth
  • Slide 8
  • Rotating Earth
  • Slide 9
  • COE Determination Semimajor axis longitude NN P = N 15 / hr
  • Slide 10
  • a e i ? ? ? ? COE Determination ?
  • Slide 11
  • Eccentricity Circle
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  • COE Determination Eccentricity
  • Slide 13
  • COE Determination Eccentricity Line Symmetry Ellipse
  • Slide 14
  • COE Determination Eccentricity Line Symmetry Ellipse
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  • COE Determination Eccentricity Line Symmetry Ellipse
  • Slide 16
  • COE Determination Eccentricity Line Symmetry Ellipse
  • Slide 17
  • COE Determination Eccentricity Line Symmetry Ellipse
  • Slide 18
  • COE Determination Eccentricity Line Symmetry Ellipse
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  • COE Determination Eccentricity Line Symmetry Ellipse
  • Slide 20
  • COE Determination Eccentricity
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  • COE Determination Eccentricity Hinge Symmetry Ellipse
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  • COE Determination Hinge Symmetry Eccentricity Ellipse
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  • COE Determination Hinge Symmetry Eccentricity Ellipse
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  • COE Determination Hinge Symmetry Eccentricity Ellipse
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  • COE Determination Hinge Symmetry Eccentricity Ellipse
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  • COE Determination Eccentricity Hinge Symmetry Ellipse
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  • COE Determination Eccentricity
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  • COE Determination Eccentricity Line & Hinge Circle
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  • COE Determination Eccentricity Neither Ellipse
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  • COE Determination Eccentricity
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  • a e i ? ? ? ? COE Determination ~
  • Slide 32
  • Inclination i = highest latitude
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  • COE Determination Inclination i = 180 - highest latitude
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  • COE Determination Inclination i = highest latitude
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  • COE Determination Inclination i = 180 - highest latitude
  • Slide 36
  • a e i ? ? ? COE Determination ~
  • Slide 37
  • a e i ? ? COE Determination ~
  • Slide 38
  • Argument of Perigee
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  • COE Determination 360 per orbit 90 180 270 360 Ascending Node Argument of Perigee
  • Slide 40
  • Perigee = 180 Perigee = 270 Perigee = 90 Perigee = 0 Hinge Symmetric Line Symmetric
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  • COE Determination Argument of Perigee = 180
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  • COE Determination Argument of Perigee = 90
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  • COE Determination Argument of Perigee = 0
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  • COE Determination Argument of Perigee = 270
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  • COE Determination Argument of Perigee Hinge Symmetry = 0 or 180
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  • COE Determination Argument of Perigee Line Symmetry = 90 or 270
  • Slide 47
  • a e i ? COE Determination ~ ~
  • Slide 48
  • True Anomaly
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  • COE Determination True Anomaly
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  • COE Determination True Anomaly
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  • Orbit Examples
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  • Molniya
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  • Geostationary
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  • Geosynchronous
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  • e = 0.8 = 180 e = 0.8 = 0 e = 0.0
  • Slide 56
  • Geosynchronous e = 0 i = 0 e = 0.4 = 180 e = 0.6 = 90
  • Slide 57