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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Low Temperature Rechargeable Li-ion Batteries for Potential Mars Sample Return and Small Robotic Missions
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A Mars Ascent Vehicle for Potential Mars Sample Return
This paper will cover the conceptual design of a Mars Ascent Vehicle (MAV) and efforts underway to raise the TRL at both the component and system levels. A system down select was executed resulting in a Hybrid Propulsion based Single Stage To Orbit (SSTO) MAV baseline architecture. This paper covers the Point of Departure design, as well as results of hardware developments that will be tested in several upcoming flight opportunities.
Mars Sample Return orbital rendezvous detection methods
Navigation trades while in pursuit of a rendezvous with a sample capsule in orbit around Mars are described. The rendezvous operation is described in terms of far-field and near-field detection. Passive optical detection is compared with active capsule detection using a radio beacon. Passive methods are, to first order, unconstrained by time while a radio beacon link is time-limited. A possible activity to make use of orbiter plume interactions is explored.
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