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David Gump, CEO Asteroid Initiative Idea Synthesis Workshop Sept. 30, 2013. Keck Method: Multiple Risks. For any given magnitude, NEO mass could vary by 200:1 Even radar establishes only the volume, not the mass Scouting missions can retire most of the mass uncertainty.

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slide1

David Gump, CEO

Asteroid InitiativeIdea Synthesis Workshop

Sept. 30, 2013

keck method multiple risks
Keck Method: Multiple Risks

For any given magnitude, NEO mass could vary by 200:1

Even radar establishes only the volume, not the mass

Scouting missions can retire most ofthe mass uncertainty

bigger neas are easier
Bigger NEAs are Easier

Easier to detect now, and in old imagery

Easier to get sufficient photons for light curves and spectrographic analysis

Easier for spacecraft to find during closing maneuvers: brighter & better defined orbits

Easier to land on – larger NEAs spin slower

neas 100m are the threat
NEAs 100m+ are the Threat

Are they rubble pilesor monoliths?

Are they rubble pilesor monoliths?

decision principles
Decision Principles

Design the program before designing a specific mission

Demo a method that’s generally useful, not limited to rare situations

new neo initiative
NEW NEO Initiative

Lowest Possible Cost to all

Highest Possible Return For All

Modeled upon

COTS Commercial Orbital Transportation Services

ILDD Innovative Lunar Demonstrations Data

Fixed Price and below-cost to insure private investment

Milestones

NASA buys what it needs, and industryfunds additional capabilities to serve commercial markets

Resulting systems sustained by commercial demand

approach gather boulders and regolith up to an arv s capacity
Approach: Gather boulders and regolith up to an ARV’s capacity

ARV size is independent of asteroid size

Smaller ARVs reduce early mission costs

Collection process can be selective

Sand (easy to process)

Specific boulders (varied colors)

scouting missions
Scouting Missions

Low-cost precursor missions can deliver samples soon to “beyond Moon” location

  • Collective sample mass easily can fill Orion’s 100 kg limit

Samples from multiple NEAs provide richer data thana single Keck rock would

path to mutual success
Path to Mutual Success

Commission several precursors for rendezvous and sample return missions

Issue BAA for ARM Ideas Based on Gathering Material from Any Size NEAand Industry-Based Missions

With ARV size unhitched from NEA size, seek for least cost combinations (Launch vehicle, solar array, propulsion unit, etc.)