There are many ways to send humans to Mars. Credible technical reports can be traced to the 1950's. More recently, NASA has funded major studies that depict a broad variety of trajectories, technologies, stay times, and costs. Much of this data is still valid with direct application to today's exploration planning. This paper presents results comparing these studies with particular emphasis on the in-space transportation aspects of the mission. Specifically, comparisons are made on propulsion systems used for getting the crew and mission equipment from Earth orbit to Mars orbit, descending and ascending from the surface, and returning to Earth orbit. Areas of comparison for each of these phases include crew size, mission mass, propellant mass, delta v, specific impulse, transit time, surface stay time, aero-braking, and others. Data is analyzed to demonstrate either strong trends toward particular technologies or diverging solutions.


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    Titel :

    A Comparison of Transportation Systems for Human Missions to Mars


    Beteiligte:
    Brand Griffin (Autor:in) / Brent Thomas (Autor:in) / Diane Vaughan (Autor:in) / Bret Drake (Autor:in) / Les Johnson (Autor:in) / Gordon Woodcock (Autor:in)

    Kongress:

    40th AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit ; 2004 ; Fort Lauderdale, FL, US



    Erscheinungsdatum :

    2004-07-11



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch




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