Abstract
While the PPE was introduced in Chapter 2 as part of an overview of the Artemis Program, this section will take a more detailed look at Maxar, their team, and the engineering of the first element of the Gateway. It is also important to understand the history of the company, and their previous and current involvements in space.Maxar’s power and propulsion element design is based upon the original Space Systems/Loral (SSL) 1300-class platform, which provides flexibility for a broad range of applications and technological advances. There are over 100 spacecraft based on the 1300 satellite bus currently on-orbit for commercial operators; more than any other model of communications satellite. Fundamental to the PPE and its ion propulsion is the Hall Effect Thruster (HET).NASA has announced five Habitat and Logistics module prototypes that it plans to test on the ground. International partners also have design concepts. In addition, NASA has a prototype design for a crewed lander to go from the Gateway down to the surface.NASA is evaluating several heavy lift launch vehicles; some already capable of sending many of the modules and payloads planned for the Gateway and the Moon. In addition to the proven variants of the ULA family of vehicles, including the Delta IV Heavy and Atlas V, there are many other new commercial launch vehicles discussed.
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von Ehrenfried, M. (2020). Elements, Landers, Launch Vehicles and Upper Stages. In: The Artemis Lunar Program. Springer Praxis Books(). Springer, Cham. https://doi.org/10.1007/978-3-030-38513-2_4
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