The SNAP Orbit

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The SNAP Orbit

• FD found out the apogee is 152830 km and the
  perigee is 10000 km.
• Inclination is 26.3 deg.
• Closed Orbit takes 3 days.

Scale picture of the orbit.
2
Sources of Radiation

• Trapped Radiation Belts
• Protons peak at 3000 km
• Electrons peak at 3000 and 25000 km
• Galactic Cosmic Rays
• 4 particles /CM2/S 108 to 1019 eV
• 85 p, 14 a, 1 heavier elements
• Produces single event effects
• Solar Proton Events
• Flares can last for days

These pictures are from The Space Environment
by Alan C. Tribble.
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Orbit (to scale) Overlaid with Trapped
radiation Plot (to same scale).