Agenda & Papers

2007 Planetary Defense Conference
Invited Presentations and Papers

The following are the presentations and papers associated with the 2007 Planetary Defense Conference. Included are copies of papers and presentation materials, where available, and videos of the presentations themselves. The conference White Paper summarizes consensus findings and reccomendations. Papers and presentations are posted in printable format (pdf).

March 5, 2007

Keynote:
Simon P. “Pete” Worden, Director, NASA Ames Research Center (Presentation)

SESSION 1A: Discovery & Characterization

Chair: David Morrison, NASA Ames Research Center

Invited Presentations

• Current NASA Discovery/Characterization Efforts: The Recommendations of the 2003 SDT Report and the December 2005 Congressional Request
  Donald Yeomans, NASA Jet Propulsion Laboratory (Abstract) (Presentation)
  
• December 2006 Report to Congress on the Next Generation of Search and Characterization
  Lindley Johnson, NASA Headquarters (Presentation)
  
• Evaluation of Present and Future Ground-Based Surveys and Implications of a Large Increase in NEA Discovery Rate
  Alan Harris, Space Science Institute (Presentation)
  
• NEO Warning Times for NEAs and Comets
  Paul Chodas, NASA Jet Propulsion Laboratory (Presentation)
  
• NEO Alert Frequency, the Evolution of Impact Probabilities, and Keyhole Dynamics
  Steven Chesley, NASA Jet Propulsion Laboratory (Presentation)

Poster Papers

• The Impact of Deep Impact
  Jeffrey Van Cleve (Paper)
• Corrections for Initial Masses of Large Fireballs from the Canada Network
  M.I. Gritsevich, V.P. Stulov (Paper)
  
• An Analysis of the Correction Problem for the Near-Earth Asteroid (99942) Apophis=2004 MN4
  V.V. Ivashkin and C.A. Stikhno (Presentation) (Paper)
  
• Planetary Cosmogony of the Solar System: The Origin of Dangerous Meteoroids
  Alexander V. Bagrov (Paper) (Presentation)
  

 

SESSION 1B: Discovery & Characterization

Chair: Donald Yeomans, NASA Jet Propulsion Laboratory

Invited Presentations

• Radar Reconnaissance of Near Earth Asteroids
  Steve Ostro, NASA Jet Propulsion Laboratory (Paper) (Presentation)
  
• Results of the Hayabusa Mission to NEA Itokawa
  Makoto Yoshikawa, Japan Aerospace Exploration Agency (Presentation)
  
• To What Extent Can NEAs be Grouped by Their Common Physical Characteristics?
  Richard Binzel, Massachusetts Institute of Technology (Presentation)
  
• Internal Structures of NEOs
  Erik Asphaug, University of California at Santa Cruz
  
• Near Earth Asteroid Characterization Missions
  David Morrison, NASA Ames Research Center (Presentation)

Poster Papers

• Covariance Analysis of Near Earth Objects (NEOs)
  Vannaroth Nuth, et al (Paper) (Presentation)
  
• Comet Threat Mitigation Approaches & Challenges
  James A. Marusek (Paper) (Presentation)
  
• NEAT: Near Earth Asteroid Trailblazer Characterization Mission
  David Morrison, Julie Mikula, Kevin Martin (Paper) (Presentation)
  
• Near-Earth Asteroid Rendezvous Missions with the Orion Crew Exploration Vehicle
  M.A. LeCompte, et al (Paper) (Presentation)

Tuesday, March 6, 2007

Keynote:
Michael Simpson, President, International Space University (Presentation)

SESSION 2: Deflection Techniques

Chair: David Lynch, The Aerospace Corporation

Invited Presentations

• Gravity Tractor
  Ed Lu, B612 Foundation (Presentation)
  
• Nuclear Deflection
  Steve Patenaud, Lawrence Livermore National Laboratory (Presentation)
  
• Impact Deflection of Potentially Hazardous Asteroids Using Current Launch Vehicles
  Jesse Koenig, SpaceDev Inc. (Presentation) (Paper)
  
• Response of NEO to Mitigation Techniques
  Keith Holsapple, University of Washington (Presentation)
  
• Deflection Aspects of NASA’s Analysis of Mitigation Alternatives Study
  Vern Weyers, NASA (retired) (Presentation)
  

Poster Papers

• Evaluating the Effectiveness of Different NEO Mitigation Options
  Mark G. Schaffer, A.C. Charania, and John R. Olds (Paper) (Presentation)
  
• Blast Designs for NEO Destruction,
  Leslie Gertsch, Jason Baird, and Paul Worsey (Paper) (Presentation)
  
• Head-On Impact Deflection of NEAs: A Case Study for 99942 Apophis
  Bernd Dachwald, Ralph Kahle, B. Wie (Paper) (Presentation)
  
• Dynamical Characterization and Stabilization of Gravity Tractor Designs for NEO Impact Risk Mitigation
  Eugene G. Fahnestock, Daniel J. Scheeres (Paper) (Presentation)
  
• Gas-Blast Orbit Modification,
  Guy F. Cooper (Paper) (Presentation)
  
• Deflection of Near Earth Objects by Means of Tethers
  V.A. Chobotov and N.Melamed (Paper) (Presentation)

SESSION 3: Deflection Missions & Technology

Chair: Gianmarco Radice, University of Glasgow (Session led by Mark Barrera, The Aerospace Corporation)

Invited Presentations

• Optimal Trajectories for NEO Deflection Missions
  Camilla Colombo, University of Glasgow (Presentation)
  
• Energy Requirements for Intercept and Rendezvous of Potentially Hazardous Asteroids
  Alisa Hawkins, The Aerospace Corporation (Presentation) (Paper)
  
• Industrial Assessment for the Don Quixote Mission
  Ian Carnelli, European Space Agency (Presentation)
  
• Scenarios for Dealing with Apophis
  Donald Gennery, Consultant (Presentation) (Paper)
  
• Hovering Control of a Solar Sail Gravity Tractor Spacecraft for Asteroid Deflection
  Bong Wie, Arizona State University (Presentation) (Paper)
  
• Optimal Impulsive Deflection Analysis and Mission Scenarios for Asteroid Apophis
  Brent Barbee, Emergent Space Technologies (Presentation) (Paper)
  
• Multiple Mass Drivers as an Option for Asteroid Deflection Missions
  John Olds, SpaceWorks Engineering (Presentation) (Paper)
  
• Near Earth Object Mitigation Options Using Exploration Technologies
  Robert Adams, NASA Marshall Space Flight Center (Presentation) (Paper)

Poster Papers

• Very Short Reaction Time, Low Delta V, Non-Nuclear Mitigation of Some NEOs: A Case Study
  Ivan Bekey (Paper) (Presentation)
  
• Sticking Thrusters into Asteroids from Permanent Bases at L1 and L3
  Claudio Maccone (Paper) (Presentation)
  
• Probabilistic Design of a Planetary Defense System
  Jason Sherwin, Jan Osburg and Dimitri Mavris (Paper) (Presentation)
  
• Spacecraft Mission Design For The Destruction Of Hazardous Near-Earth Objects Via Distributed-Energy Explosives
  Brent William Barbee and Leslie Gertsch (Paper) (Presentation)
  
• Opportunities for Deflection of Asteroid Threats
  Warren G. Greczyn, David F. Chichka (Paper) (Presentation)

Wednesday, March 7, 2007

Keynote:
Bill Burrows, Director, Science and Environmental Reporting, New York University

SESSION 4: Impacts & Effects

Chair: Clark Chapman, Southwest Research Institute

Invited Presentations

• Overview of Asteroid Impact Phenomenology
  Clark Chapman, Southwest Research Institute (Presentation)
  
• Low-Altitude Airburst Contribution to the Impact Hazard
  Mark Boslough, Sandia National Laboratory (Presentation) (Abstract)
  
• Tsunamis from Asteroid Impacts in Deep Water
  Galen Gisler, University of Oslo (Presentation) (Paper)
  
• Impact Tsunami Hazard—My Best Guess
  Steven N. Ward, University of California, Santa Cruz (Presentation)
  
• Human Hazards from Impact Effects
  Steven Chesley, NASA Jet Propulsion Laboratory

Poster Papers

• Comet and Asteroid Threat Impact Analysis,
  James A. Marusek (Paper) (Presentation)
• Quasi Three-Dimensional Modeling of Tunguska Comet Impact (1908),
  Andrei E. Zlobin (Paper)
  
• Entry of the Tunguska Cosmic Body into the Atmosphere: Final Decision,
  V.P. Stulov (Paper)
  

SESSION 5: Preparing the Public

Chair: Caron Chess, Rutgers University

Invited Presentations

• The NEO Hazard: Interfaces between Scientists and the Public
  Clark Chapman, Southwest Research Institute (Presentation)
  
• Preliminary Observations Regarding Preparedness and Response to the Denver Asteroid Impact Event
  Richard Davies, Executive Director, Western Disaster Center (Paper) (Presentation)
  
• Planetary Defense in the Context of Current Approaches to Societal Security
  Geoffrey Sommer, Homeland Security Institute (Presentation)
  
• A Tool for Assessing the Consequences for Populations and Infrastructure resulting from an Asteroid Impact
  Nick Bailey (Paper) (Presentation)
  
• Composure and Panic in Time of Catastrophe: An Empowerment Approach to NEO Disaster Management
  Albert A. Harrison, Department of Psychology, University of California, Davis (Paper) (Presentation)
  
• Information is Not Enough
  Caron Chess, Sociology Department, Rutgers University (Presentation)

Poster Papers

• Impact Disaster Preparedness Planning
  James A. Marusek (Presentation) (Paper)
  
• Financing a Planetary Defense System
  William F. Mitchell (Presentation) (Paper)
• Developing a Three Period Strategy to Face a Global Threat: A Preliminary Analysis
  Adeel Ghayur, University Institute of Information Technology, Pakistan (Presentation) (Paper)

Thursday, March 8, 2007

Keynote:
Rene Oosterlinck, Director of External Relations, European Space Agency; Professor, Ghent University

SESSION 6: Panel Discussion: Political & Policy Issues

Chair: Richard Crowther, Rutherford Appleton Laboratories, UK

Opening Remarks

• International Policy Issues
  Rusty Schweickart, Association of Space Explorers Committee on NEOs (Paper)
  
• Legal Aspects of Planetary Defense Issues
  Frans von der Dunk, Space Law Research, International Institute of Air & Space Law (Presentation)
  
• The Domestic Politics of Planetary Protection
  John Logsdon, Director, Space Policy Institute, George Washington University
• Activity of Japan Spaceguard Association Makoto Yoshikawa, Japan Spaceguard Association (Presentation)
  
• Michael Simpson, International Space University
  
• Planetary Defense as a Major Rationale for Human Spaceflight and Exploration
  Alain Dupas, Director of Strategic Studies, College de Polytechnique, Paris (Presentation)
  
• Christopher Chyba, Professor of Astrophysics and International Affairs, Princeton University

SESSION 7: Panel Discussion: Findings & Recommendations

Panel Discussion

Moderator: Bill Ailor, The Aerospace Corporation
Panel: Donald Yeomans, David Morrison, David Lynch, Mark Barrera, Clark Chapman, Albert Harrison, Richard Crowther

Closing Comments

Bill Ailor, The Aerospace Corporation