7.1k citations
- Goddard Space Flight CenterUS178 papers
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Showing 2006 · physics.space-phShow all
3 papers · 2 filters
physics.space-ph2006★ 22 cited
Threat Mitigation: The Gravity Tractor
Russell Schweickart, Clark Chapman, Dan Durda +1
The Gravity Tractor (GT) is a fully controlled asteroid deflection concept using the mutual gravity between a robotic spacecraft and an asteroid to slowly accelerate the asteroid i…
physics.space-ph2006★ 4 cited
Threat Mitigation: The Asteroid Tugboat
Russell Schweickart, Clark Chapman, Dan Durda +1
The Asteroid Tugboat (AT) is a fully controlled asteroid deflection concept using a robotic spacecraft powered by a high efficiency, electric propulsion system (ion or plasma) whic…
physics.space-ph2006★ 6 cited
Threat Characterization: Trajectory Dynamics
Russell Schweickart, Clark Chapman, Dan Durda +3
Given a primary interest in "mitigation of the potential hazard" of near-Earth objects impacting the Earth, the subject of characterization takes on an aspect not normally present…