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What are ground tracks?

Learn about COE determination for ground tracks, eccentricity, inclination, argument of perigee, and true anomaly in non-rotating and rotating Earth orbits.

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What are ground tracks?

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  1. What are ground tracks?

  2. What are ground tracks?

  3. COE Determination

  4. COE Determination a ? e ? i ?  ?  ?  ?

  5. Non-rotating Earth

  6. Rotating Earth

  7. ΔN 15º / hr P = COE Determination ΔN Δ longitude Semimajor axis

  8. COE Determination a  e ? i ?  ?  ?  ?

  9. Circle COE Determination Eccentricity

  10. COE Determination Eccentricity

  11. Line Symmetry Ellipse COE Determination Eccentricity

  12. Line Symmetry Ellipse COE Determination Eccentricity

  13. Line Symmetry Ellipse COE Determination Eccentricity

  14. Line Symmetry Ellipse COE Determination Eccentricity

  15. Line Symmetry Ellipse COE Determination Eccentricity

  16. Line Symmetry Ellipse COE Determination Eccentricity

  17. Line Symmetry Ellipse COE Determination Eccentricity

  18. COE Determination Eccentricity

  19. Hinge Symmetry Ellipse COE Determination Eccentricity

  20. Hinge Symmetry Ellipse COE Determination Eccentricity

  21. Hinge Symmetry Ellipse COE Determination Eccentricity

  22. Hinge Symmetry Ellipse COE Determination Eccentricity

  23. Hinge Symmetry Ellipse COE Determination Eccentricity

  24. Hinge Symmetry Ellipse COE Determination Eccentricity

  25. COE Determination Eccentricity

  26. Line & Hinge Circle COE Determination Eccentricity

  27. Neither Ellipse COE Determination Eccentricity

  28. COE Determination Eccentricity

  29. COE Determination a  e ~  i ?  ?  ?  ?

  30. i = highest latitude COE Determination Inclination

  31. i = 180º - highest latitude COE Determination Inclination

  32. i = highest latitude COE Determination Inclination

  33. i = 180º - highest latitude COE Determination Inclination

  34. COE Determination a  e ~  i   ?  ?  ?

  35. COE Determination a  e ~  i     ?  ?

  36. COE Determination Argument of Perigee

  37. 360º per orbit Ascending Node 90º 180º 360º 270º COE Determination Argument of Perigee

  38. Line Symmetric Perigee Perigee Perigee Perigee Hinge Symmetric w = 0° w = 90° w = 270° w = 180°

  39. ω = 180º COE Determination Argument of Perigee

  40. ω = 90º COE Determination Argument of Perigee

  41. ω = 0º COE Determination Argument of Perigee

  42. ω = 270º COE Determination Argument of Perigee

  43. Hinge Symmetry ω = 0º or 180º COE Determination Argument of Perigee

  44. Line Symmetry ω = 90º or 270º COE Determination Argument of Perigee

  45. COE Determination a  e ~  i     ~   ?

  46. COE Determination True Anomaly

  47. COE Determination True Anomaly

  48. COE Determination True Anomaly

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