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Human Cargo Resupply Logistics at Mars Using 150kW SEP Tug Cyclers

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dc.contributor.author Woolley, Ryan
dc.contributor.author Landau, Damon
dc.contributor.author Baker, John
dc.contributor.author Post, Kevin
dc.date.accessioned 2020-03-18T15:16:20Z
dc.date.available 2020-03-18T15:16:20Z
dc.date.issued 2017-03-04
dc.identifier.citation 2017 IEEE Aerospace Conference, Big Sky, Montana, March 4-11, 2017 en_US
dc.identifier.clearanceno CL#17-0083
dc.identifier.uri http://hdl.handle.net/2014/47635
dc.description.abstract The ultimate goal of the Evolvable Mars Campaign is to build up a sustainable outpost at Mars that would be continually staffed with rotating crews. During this stage of human Mars exploration, it would be necessary to provision the crews with equipment and supplies both before and during their missions. In this paper, we study the use of 150 kW reusable SEP tugs as a means to deliver elements both to orbit and to the surface. The SEP tugs would make use of technology currently being developed for the proposed Asteroid Robotic Redirect Mission (ARRM). They would also be used to deliver food and supplies to sustain the crews similar to resupply missions for the International Space Station. The SEP tugs envisioned would be staged at a quasi-stable Lunar Near Rectilinear Orbit (NRO). The tugs would then mate with cargo vessels and xenon propellant being delivered by an SLS launch vehicle and continue on to Mars orbit where the cargo is delivered and the SEP tug returns to NRO to repeat the process. It was found that it is more efficient to deliver surface cargo via direct launch and entry versus using the tug cycler. Thousands of optimized low-thrust trajectories were simulated in order to create “Bacon plots” (like porkchop plots, but for low thrust transfers) in order to map out potential trajectories for dates from 2039 to 2052. This study maps out the buildup of a surface outpost as well as the necessary orbital and surface resupply launches in order to maintain it. In the steady state, a cadence of 9 cargo launches is required every 4 years to sustain the human outpost. en_US
dc.description.sponsorship NASA/JPL en_US
dc.language.iso en_US en_US
dc.publisher Pasadena, CA: Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2017 en_US
dc.title Human Cargo Resupply Logistics at Mars Using 150kW SEP Tug Cyclers en_US
dc.type Preprint en_US


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