PPT Slide

• Apogee altitude

  • Desired: +/-1600 km
  • Delta 3rd Stage capability: +/-2500 km
  • Science Team Has agreed to +/- 2500km

• Inclination +/- 1 degree

• Eccentricy +/- 0.05

  • Function of Apogee Altitude Uncertainty

• Ascending node: +/- 15 degrees

  • Drives launch window width (one hour per day)
  • Affects minimum sun angle from z-axis:

    • Thermal, power, and navigation systems designed for 23.5 degrees or more sun angle from z-axis

• Argument of Perigee: +/- 3 degrees

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