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Dawn Mission

Dawn Mission

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Dawn Mission

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Presentation Transcript

  1. Dawn Mission

  2. How Do We Get There?

  3. DAWNA Journey to the Beginning of the Solar System • Travel Plans: Dawn’s Itinerary • The Dawn Spacecraft will travel • 6.3 billion kilometers • Almost ten years • To the asteroid 4 Vesta and Dwarf planet • 1 Ceres. Vesta Ceres

  4. Travel Plans: Cross-Country Trip • A 3000 mile trip from Los Angeles to New York City requires: • 120 gallons of fuel • 16 cubic feet storage • adds 685 pounds weight • 4 days travel time

  5. A Trip to Mars • A 35 million mile trip from Earth to Mars requires: • 900 metric tons of rocket fuel • 6 months travel time

  6. Interplanetary Trajectory

  7. Ion Propulsion System 2.3 meters Hydrazine tank 45 kg capacity Xenon tank 450 kg capacity Ion thruster Folded solar arrays

  8. Thrust vs. Time