Rusty Schweickart Chairman, NEO Committee Association of Space Explorers
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Rusty Schweickart Chairman, NEO Committee Association of Space Explorers Solutions to Earthly Problems? The Future of Space Exploration 13 April 2007
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The Future of Space Exploration 13 April 2007. Solutions to Earthly Problems?. Rusty Schweickart Chairman, NEO Committee Association of Space Explorers. 2007. The Three Components of Protection of the Earth from NEO Impacts. Early Warning Proven Deflection Capability - PowerPoint PPT Presentation
Transcript of Rusty Schweickart Chairman, NEO Committee Association of Space Explorers
Rusty SchweickartChairman, NEO Committee
Association of Space Explorers
Solutions to Earthly Problems?
The Future of Space Exploration13 April 2007
2007
The Three Components of Protection of the Earth from NEO
Impacts
Early Warning
Proven Deflection Capability
International Decision-making Protocol
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10-1 102 105 108
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NEAs, This reportStuart 2001Harris 2002Brown et al. 2002,annual bolide eventConstant power lawfrom 2003 SDT reportDiscovered to 10/31/06
K-T
Im
pac
tor
Tu
ngu
ska
Absolute Magnitude, H
Diameter, Km
N(<H
)
Impa
ct I
nte
rva
l, ye
ars
Impact Energy, MT
Early Warning
Spaceguard 1 & 2(Comparable Numbers)
2007 2019
Target Population1,000 80,000
71% completed708 64,000
Total Discovered4,640 370,000
Potential Impactors137 5 – 10,000(?)
Kinetic Impact
Pushes the asteroid via direct impact
Current Deflection Capability
Gravity Tractor
Pulls the asteroid using mutual gravity as a tow-rope
Nuclear Explosion
Explodes surface off NEO to create impulsive push
Earth orbital path
NEO orbital path
line of nodes
2007 - Path of Risk for Apophis
2020 - Paths of Risk for NEOs of Concern
The End
Q&A
