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Recent gravity-assist trajectories for interplanetary and solar exploration.

David W Dunham1, Robert W Farquhar, James V McAdams

  • 1Applied Physics Laboratory, The Johns Hopkins University, 11100 Johns Hopkins Rd., Laurel, MD 20723-6099, USA. david.dunham@jhuapl.edu

Annals of the New York Academy of Sciences
|March 3, 2006
PubMed
Summary

This paper details how gravity assists from planets and moons enable complex space missions for exploring the Sun and planets. It expands on previous work, focusing on current Applied Physics Laboratory missions.

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Background and applications of astrodynamics for space missions of the johns hopkins applied physics laboratory.

Annals of the New York Academy of Sciences·2004
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Area of Science:

  • Astrodynamics and Space Exploration
  • Planetary Science
  • Mission Design

Background:

  • Previous research focused on early missions like ISEE-3/ICE and NEAR.
  • This work builds upon foundational astrodynamics principles.
  • The Applied Physics Laboratory (APL) has a history of innovative mission design.

Purpose of the Study:

  • To describe the application of lunar and planetary gravity assists in designing challenging space mission trajectories.
  • To provide updated information on current APL missions utilizing these techniques.
  • To highlight advancements in exploring the Sun and planets.

Main Methods:

  • Utilizing gravity assists from celestial bodies to alter spacecraft trajectories.
  • Designing complex orbital paths for deep space exploration.

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  • Leveraging computational tools for mission planning and trajectory optimization.

    • Main Results:

    • Successful implementation of gravity assists for missions like MESSENGER, STEREO, and New Horizons.
    • Enabling exploration of diverse targets, from the Sun to outer planets.
    • Demonstrating the feasibility of ambitious mission profiles through advanced trajectory design.

    Conclusions:

    • Gravity assist maneuvers are crucial for enabling current and future deep space missions.
    • APL continues to pioneer innovative mission designs for solar system exploration.
    • The strategic use of celestial mechanics expands the reach of space science.