objectives for human missions to neos - nasa · objectives for human missions to neos! operations...
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National Aeronautics and Space Administration!
Objectives for Human Missions to NEOs!
Operations Concepts!Presented by: Douglas Craig!11 August 2010!
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Day 2 – Ops Concept Brainstorming!
2!NASA Explore NOW • August 10-11, 2010
• From Day1 results, how should the tasks be performed? – How should humans interact with the NEO? (directly, robotically, types of
rendezvous and docking) – Mission operations
• Will use mission phases to help focus on Concept of Operations Brainstorming – At NEO (focus on this first) – In Transit – Earth Return – LEO and Preparation
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Concept of Operations LEO!
3!NASA Explore NOW • August 10-11, 2010
• Types of Operations at LEO – Assembly and checkout of integrated NEO
exploration systems • Possible configuration
– Core module (power, logistics, ECLSS), – 2 Space Exploration Vehicles (SEV) – Propulsion stages – One or two earth return vehicles – Advanced recon probe
– Provisioning
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Concept of Operations Outbound to NEO!
4!NASA Explore NOW • August 10-11, 2010
• Types of Operations – Deploy simple probe for advanced recon (weeks to
months prior to crew) • Identify size, spin, composition, local features,
morphology • Allows for target modification for launch contingencies
– In-flight Training • Have simulated NEO surface to practice NEO ops
(rendezvous and docking, EVA, etc.) – Refine detailed flight plans prior to arrival – System monitoring, contingency EVAs – Microgravity / biological research, variable gravity,
radiation monitoring, physiological/psychological
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Types of Operations at NEOs
5!NASA Explore NOW • August 10-11, 2010
• Types of Operations – Human Spacecraft Ops – EVA Ops – Science Ops – Robotic Ops
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Concept of Operations at NEO - Human Spacecraft Ops
6!NASA Explore NOW • August 10-11, 2010
• Far and near field surveys – Situational awareness / hazard
characterization – Resource assessment
• NEO orbit insertion and station keeping • Deployment of exploration vehicle
– Mothership stays within sight and communication
– Exploration vehicle operations • Anchoring/free flying/cable grid for
translation • Monitor spacecraft system performance • Exploration vehicle rendezvous and dock
with Mothership
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Concept of Operations at NEO - EVA Ops
7!NASA Explore NOW • August 10-11, 2010
• Astronaut EVA to surface from Exploration vehicle – Astronaut fixed to NEO or
Exploration vehicle – Translation system
• Robotic arm • Excursion lines • Cable grid
– Minimum EVA team is 2 – IVA monitoring required
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Concept of Operations at NEO - Science Ops
8!NASA Explore NOW • August 10-11, 2010
• EVA crew does majority of science tasks with robotic assistance – Core sampling and deep drilling – Seismic surveying – Sample collection (bulk and selective) – ISRU demos
• Deployment and emplacement of packages – Seismic sensors – Tracking devices (transponders, reflectors) – NEO orbital modification techniques
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Concept of Operations at NEO - Robotic Ops
9!NASA Explore NOW • August 10-11, 2010
• Tele-robotic operations (prior to EVA, during and after EVA) – Aercam – Autonomous drilling – ISRU testing
• Leave behind robotic assets – Exploration Vehicle for continued teleoperations,
communications for deployed systems, etc.
•
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Concept of Operations Return to Earth!
10!NASA Explore NOW • August 10-11, 2010
• Higrade and curate samples • Operate and monitor robotic devices left behind
at NEO • Vehicle systems monitoring • Life Science research • Planetary defense experiments
– NEO impactor (transit stage) – Seismic charge
• Crew psychological and physiological monitoring