Technical Papers – 2010

A Bayesian Approach to Multi-Sensor Track Correlation
Matthew Horsley (Lawrence Livermore National Laboratory)

Keywords: track correlation, Bayesian, bias, marginalization, MCMC

A Parallel, High-Fidelity Radar Model
Matthew Horsley (Lawrence Livermore National Laboratory), Benjamin Fasenfest (Lawrence Livermore National Laboratory)

Keywords: radar, parallel computing, space situational awareness

A Scalable Visualization System for Improving Space Situational Awareness
Ming Jiang (Lawrence Livermore National Laboratory), Michael Andereck (Ohio State University), Alexander J. Pertica (Lawrence Livermore National Laboratory), Scot S. Olivier (Lawrence Livermore National Laboratory)

Keywords: Scientific visualization, computer graphics, and out-of-core algorithms

Adaptive Optics at the World’s Biggest Optical Telescope
Michael Hart (University of Arizona), Simone Esposito (Osservatorio Astrofisico di Arcetri), Sebastian Rabien (Max-Planck-Institut für extraterrestrische Physik)

Keywords: adaptive optics, laser guide stars, astronomy

Advanced Curvature Deformable Mirrors
Christ Ftaclas (University of Hawaii), Aglae Kellerer (University of Hawaii), Mark Chun (University of Hawaii)

Keywords: optical systems

Advances in Polarimetric Deconvolution
Capt Kurtis G. Engelson (Air Force Institute of Technology), Dr. Stephen C. Cain (Air Force Institute of Technology)

Keywords: imaging

Advances in Satellite Conjunction Analysis
Robert Hall (Analytical Graphics, Inc.), Dr. Sal Alfano (Center for Space Standards & Innovation), Alan Ocampo (Analytical Graphics, Inc.)

Keywords: SSA, Conjunction Analysis, Maneuver planning, SOA

AIUB Efforts to Survey, Track, and Characterize Small-size Objects at High Altitudes
T. Schildknecht (Astronomical Institute, University of Bern, Switzerland), C. Fruh (Astronomical Institute, University of Bern, Switzerland), J. Herzog (Astronomical Institute, University of Bern, Switzerland), A. Hinze (Astronomical Institute, University of Bern, Switzerland), A. Vananti (Astronomical Institute, University of Bern, Switzerland)

Keywords: space debris, optical surveys, catalogue build-up, debris characterization

Almost-Optimal Sensor Tasking using Auction Methods
Richard S. Hujsak (Analytical Graphics, Inc.)

Keywords: automate, tasking, space surveillance

An Overview of Wide-Field-of-View Optical Designs for Survey Telescopes
Mark R. Ackermann (Sandia National Laboratories), John T. McGraw (University of New Mexico), Peter C. Zimmer (University of New Mexico)

Keywords: Systems

Analysis of Unresolved Spectral Infrared Signature for the Extraction of Invariant Features
Anil Chaudhary (Applied Optimization), Tamara Payne (Applied Optimization), Seth Wilhelm (Applied Optimization), Stephen Gregory (Boeing LTS), Mark A. Skinner (Boeing LTS), Richard Rudy (The Aerospace Corporation), Ray Russell ( The Aerospace Corporation), James Brown (AFRL Space Vehicles Directorate), Phan Dao (AFRL Space Vehicles Directorate)

Keywords: Non-Resolved Object Characterization

Application of Parallel Discrete Event Simulation to the Space Surveillance Network
David Jefferson (Lawrence Livermore National Laboratory), James Leek (Lawrence Livermore National Laboratory)

Keywords: Modeling, Parallel Discrete Events Simulation, PDES, Space Surveillance Network, SSN

Assessment of Spacecraft Operational Status Using Electro-Optical Predictive Techniques
Dave Swann (Aerospace Testing Alliance; Advanced Missile Signature Center; Arnold Engineering Development Center), Bernie Klem (Aerospace Testing Alliance; Advanced Missile Signature Center; Arnold Engineering Development Center), Brent McCoy (University of Oklahoma)

Keywords: Spacecraft modeling, electro-optical, non-imaging, damage assessment

Carbon Fiber Reinforced Polymer (CFRP) Optics Quality Assessment for Lightweight Deployable Optics
Jonathan R. Andrews (Naval Research Laboratory), Ty Martinez (Naval Research Laboratory), Sergio R. Restaino (Naval Research Laboratory), Freddie Santiago (Naval Research Laboratory), Christopher C. Wilcox (Naval Research Laboratory), Scott W. Teare (New Mexico Institute of Mining and Technology), Robert C. Romeo (Composite Mirror Applications), Robert N. Martin (Composite Mirror Applications)

Keywords: Carbon Fiber Reinforced Polymer, lightweight optics, optical testing, optical quality

Catalogue-Wide Satellite Photometric Behavior Paradigms
M.D. Hejduk (SRA International)

Keywords: Photometry, brightness estimation, Kriging

Characterization of Atmospheric Turbulence Effects Over 149 km Propagation Path Using Multi-wavelength Laser Beacons
Mikhail A. Vorontsov (University of Dayton), Gary W. Carhart (U.S. Army Research Laboratory), V. S. Rao Gudimetla (Air Force Research Laboratory), Thomas Weyrauch (University of Dayton), Eric Stevenson (Boeing LTS), Svetlana L. Lachinova (University of Maryland), Leonid A. Beresnev (U.S. Army Research Laboratory), Jiang Liu (U.S. Army Research Laboratory), Karl Rehder (Boeing LTS), Jim F. Riker (Air Force Research Laboratory)

Keywords: Adaptive Optics, imaging, atmospherics

Characterization of Orbital Debris Photometric Properties Derived from Laboratory-Based Measurements
H. Cowardin (ESCG/Jacobs Technology), P. Seitzer (University of Michigan), K. Abercromby (California Polytechnic State University), E. Barker (LZ Technology, Inc.), T. Schildknecht (University of Bern)

Keywords: orbital debris, laboratory, optical, photometry

Correlation and Initial Orbit Determination for Short-Arc Optical Observations
Kohei Fujimoto (University of Colorado at Boulder), Daniel J. Scheeres (University of Colorado at Boulder)

Keywords: space situational awareness, orbital debris, initial orbit determination, too short arc

Cross Strip Readout Detectors for High Time Resolution Imaging in the 120nm to 900nm Wavelength Regime
Oswald H.W. Siegmund (Space Sciences Laboratory, U.C. Berkeley), John V. Vallerga (Space Sciences Laboratory, U.C. Berkeley), Jason McPhate (Space Sciences Laboratory, U.C. Berkeley), Barry Welsh (Space Sciences Laboratory, U.C. Berkeley), Anton Tremsin (Space Sciences Laboratory, U.C. Berkeley)

Keywords: Imaging, microchannel Plate, photocathode, photon counting

Daytime Image Measurement and Reconstruction for Space Situational Awareness Applications
Michael C. Roggemann (Pacific Defense Solutions, LLC), Dennis Douglas (Pacific Defense Solutions, LLC), Eric Therkildsen (Pacific Defense Solutions, LLC), David Archambeault (Pacific Defense Solutions, LLC), Riki Maeda (Pacific Defense Solutions, LLC), David Schultz (Pacific Defense Solutions, LLC), Ben Wheeler (Pacific Defense Solutions, LLC)

Keywords: Adaptive Optics, Imaging

Detection of Faint GEO Objects Using Population and Motion Prediction
Masahiko Uetsuhara (Kyushu University), Toshiya Hanada (Kyushu University), Hitoshi Yamaoka (Kyushu University), Tomoko Fujiwara (Kyushu University), Toshifumi Yanagisawa (Japan Space Exploration Agency), Hirohisa Kurosaki (Japan Space Exploration Agency), Yukihito Kitazawa (IHI Corporation)

Keywords: Orbital Debris Modeling, Optical Observation, Small Telescope, GEO, Faint Object Detection

Determination of Spin Axis Orientation of Geosynchronous Objects Using Space-Based Sensors: An Initial Feasibility Investigation
Brad Wallace (Defence Research and Development - Ottawa), Phil Somers (Royal Military College of Canada), Robert (Lauchie) Scott (Defence Research and Development - Ottawa)

Keywords: space situational awareness

Differential Photometry in Adaptive Optics Imaging
Szymon Gladysz (European Organisation for Astronomical Research in the Southern Hemisphere), Roberto Baena Gallé (University of Barcelona, Spain), Julian C. Christou (Gemini Observatory, Hilo Base Facility), Lewis C. Roberts, Jr. (Jet Propulsion Laboratory, California Institute of Technology)

Keywords: Comparite test, adaptive optics, blind deconvolution, bayesian framework, psf fitting.

Discrimination of Closely-Spaced Geosynchronous Satellites – Phase Curve Analysis & New Small Business Innovative Research (SIBR) Efforts
Paul LeVan (Air Force Research Laboratory, Space Vehicles Directorate)

Keywords: imaging

Dynamic Tasking of Networked Sensors Using Covariance Information
Keric Hill (Pacific Defense Solutions, LLC), Paul Sydney (Pacific Defense Solutions, LLC), Randy Cortez (Pacific Defense Solutions, LLC), Kris Hamada (Pacific Defense Solutions, LLC), Daron Nishimoto (Pacific Defense Solutions, LLC), Kim Luu (Air Force Research Laboratory), Paul W. Schumacher, Jr. (Air Force Research Laboratory)

Keywords: space surveillance, sensor tasking, sensor scheduling, resource allocation

Edgeworth Filters for Space Surveillance Tracking
Joshua T. Horwood (Numerica Corporation), Nathan D. Aragon (Numerica Corporation), Aubrey B. Poore (Numerica Corporation)

Keywords: Covariance Consistency, Uncertainty Consistency, Nonlinear Filtering, Unscented Kalman Filter, Gaussian Mixture,

ElectroDynamic Debris Eliminator (EDDE): Design, Operation, and Ground Support
Jerome Pearson (Star Technology and Research, Inc.), Eugene Levin (Star Technology and Research, Inc.), John Oldson (Star Technology and Research, Inc.), Joseph Carroll (Tether Applications, Inc.)

Keywords: space debris

Exploiting Spectral Correlations for Segmentation and Shape Determination from Hyperspectral Datacubes of Rotating Satellites
Sudhakar Prasad (University of New Mexico), Qiang Zhang (Wake Forest University)

Keywords: hyperspectral imaging, material identification, segmentation, shape primitives, moving averages, rotational kine

Fabra-ROA Baker-Nunn Camera at Observatori Astronòmic del Montsec: An Instrument Update for Space Debris Observation
O. Fors (Observatori Fabra, Reial Acadèmia de Ciències i Arts de Barcelona; Dep. d'Astronomia i Meterologia i Institut de Ciències del Cosmos, Universitat de Barcelona), F.J. Montojo (Real Instituto y Observatorio de la Armada), R. Baena (Dep. d'Astronomia i Meterologia i Institut de Ciències del Cosmos, Universitat de Barcelona), J.L. Muiños (Real Instituto y Observatorio de la Armada), J. Núñez (Observatori Fabra, Reial Acadèmia de Ciències i Arts de Barcelona; Dep. d'Astronomia i Meterologia i Institut de Ciències del Cosmos, Universitat de Barcelona), J. Boloix (Real Instituto y Observatorio de la Armada), M. Merino (Observatori Fabra, Reial Acadèmia de Ciències i Arts de Barcelona; Dep. d'Astronomia i Meterologia i Institut de Ciències del Cosmos, Universitat de Barcelona), R. Morcillo (Real Instituto y Observatorio de la Armada)

Keywords: optical tracking

Fast PSF Reconstruction Using the Frozen Flow Hypothesis
James Nagy (Emory University), Stuart Jefferies (University of Hawaii), Qing Chu (Emory University)

Keywords: imaging

FAWKES Information Management for Space Situational Awareness
Scott Spetka (ITT Corp. and SUNYIT), George Ramseyer (Air Force Research Laboratory AFRL/RITA), Scot Tucker (ITT Corp)

Keywords: Information Management, Fawkes, Space Situational Awareness

First Resolved Images of a Spacecraft in Geostationary Orbit with the Keck-II 10m Telescope
Jack D. Drummond (Air Force Research Laboratory), Richard H. Rast (Air Force Research Laboratory)

Keywords: Adaptive Optics, Imaging

Global Space Situational Awareness Sensors
Brian Weeden (Secure World Foundation), Paul Cefola (University at Buffalo, SUNY), Jaganath Sankaran (University of Maryland)

Keywords: SSA, international, sensors

Highly Efficient Screening for Point-Like Targets Via Concentric Shells
Jan Wassenberg (Fraunhofer IOSB), Wolfgang Middelmann (Fraunhofer IOSB), Peter Sanders (KIT)

Keywords: hotspot, SAR, algorithm engineering, point-like target, high-performance computing

How the Space Data Center Is Improving Safety of Space Operations
T.S. Kelso (Center for Space Standards & Innovation)

Keywords: Space Situational Awareness, Space Safety, Conjunction Analysis

Improved Climatological Characterization of Optical Turbulence for Space Optical Imaging and Communications
Randall J. Alliss (Northrop Grumman Information Systems), Billy D. Felton (Northrop Grumman Information Systems)

Keywords: atmospheric characterization, turbulence, weather

Information Theoretic Characterizations of Coded Imaging-Based Space Object Identification
Douglas A. Hope (University of New Mexico), Sudhakar Prasad (University of New Mexico)

Keywords: Information Theory, Imaging

Integration of Space Weather Into Space Situational Awareness
Geoffrey D. Reeves (Space Science and Applications Group, Los Alamos National Laboratory)

Keywords: space weather, space environment, anomalies, space situational awareness

Investigation of Properties and Characteristics of High-Area-to-Mass- Ratio Objects Based on Examples of Optical Observation Data of Space Debris Objects in GEO-like Orbits
Carolin Fruh (Astronomical Institute, University of Bern, Switzerland), Thomas Schildknecht (Astronomical Institute, University of Bern, Switzerland)

Keywords: High-Area-to-Mass, Space Debris, object characteristics and properties

Kp Forecast Model Using Unscented Kalman Filtering
Charles J. Wetterer (Colorado Professional Resources, LLC), Moriba Jah (Air Force Research Laboratory), Kevin Scro (Space and Missile Systems Center)

Keywords: Modeling

Large-Scale Simulation of a Process for Cataloguing Small Orbital Debris
Don Phillion (Lawrence Livermore National Laboratory), Alex Pertica (Lawrence Livermore National Laboratory), Ben Fasenfest (Lawrence Livermore National Laboratory), Matt Horsley (Lawrence Livermore National Laboratory), Willem de Vries (Lawrence Livermore National Laboratory), H. Keo Springer (Lawrence Livermore National Laboratory), David Jefferson (Lawrence Livermore National Laboratory), Scot Olivier (Lawrence Livermore National Laboratory), Keric Hill (Pacific Defense Solutions), Chris Sabol (Air Force Maui Optical and Supercomputing Center)

Keywords: Space Situational Awareness; Sensors and systems; Simulation

Maui4: a 24 hour Haleakala Turbulence Profile
L. William Bradford (Pacific Defense Solutions, LLC)

Keywords: daylight imaging

Maximizing Multi-Core Performance of the Weather Research and Forecast Model Over the Hawaiian Islands
Kevin P. Roe (Maui High Performance Computing Center), Duane Stevens (University of Hawaii at Manoa)

Keywords: imaging

Measurements of Tilt and Focus for Sodium Beacon Adaptive Optics on the Starfire 3.5 Meter Telescope
Robert Johnson (AFRL/RDS), James Brown (SAIC), James Spinhirne (The Boeing Company)

Keywords: Sensor, Tilt, Focus, Adaptive Optics, Tracking

Monte Carlo Method for Collision Probability Calculations using 3D Satellite Models
Willem H. de Vries (Lawrence Livermore National Laboratory), Donald W. Phillion (Lawrence Livermore National Laboratory)

Keywords: Collision Probability, Monte Carlo methods, 6DOF

Multi-Conjugate Adaptive Optics Test-Bed for Horizontal Propagation
Sergio R. Restaino (Naval Research Laboratory, Remote Sensing), Jonathan R. Andrews (Naval Research Laboratory, Remote Sensing), Ty Martinez (Naval Research Laboratory, Remote Sensing), Christopher C. Wilcox (Naval Research Laboratory, Remote Sensing), Freddie Santiago (Naval Research Laboratory, Remote Sensing), Don M. Payne (Narrascape), Scott W. Teare (NMTech, EE Department)

Keywords: Adaptive Optics, Imaging

Noise-tolerant Spectral Signature Classification in Non-Resolved Object Detection Using Adaptive Lattice Neural Networks
Mark S. Schmalz (University of Florida), Gerhard X. Ritter (University of Florida), Eric T. Hayden (University of Florida), Gary Key (Frontier Technology, Inc.)

Keywords: Automated signature detection, Pattern recognition

Nonstationary EO/IR Clutter Suppression and Dim Object Tracking
Alexander G. Tartakovsky (Argo Science Corp. and University of Southern California), Andrew P. Brown (Toyon Research Corporation), James Brown (Air Force Research Laboratory)

Keywords: Clutter Suppression, Object Tracking, Spatiotemporal Image Processing

Novel Segmentation Technique to Enhance Detection of Fast Moving Objects with Optical Sensors
Oleg Gusyatin (MIT Lincoln Laboratory)

Keywords: image processing, segmentation, optical detection, space situational awareness

Numerical and Probabilistic Analysis of Asteroid and Comet Impact Hazard Mitigation
Catherine S. Plesko (Los Alamos National Laboratory), Robert P. Weaver (Los Alamos National Laboratory), Walter F. Huebner (Southwest Research Institute)

Keywords: Asteroid, Comet, Potentially Hazardous Object, Impact, Hazard Mitigation, Radiation Hydrodynamics

Object Correlation and Maneuver Detection Using Optimal Control Performance Metrics
Marcus Holzinger (University of Colorado at Boulder), Daniel Scheeres (University of Colorado at Boulder)

Keywords: Space Situational Awareness, Object Correlation, Maneuver Detection, Maneuver Characterization

Operation Impact of Improved Space Tracking on Collision Avoidance in the Future Leo Space Debris Environment
David Sibert (ExoAnalytic Solutions, Inc.), Maj David Borgeson (USAF Space Command Space and Missile Systems Center), Glenn Peterson (The Aerospace Corporation), Alan Jenkin (The Aerospace Corporation), Marlon Sorge (The Aerospace Corporation)

Keywords: Integrating Diverse Data

Operational Impact of Improved Space Tracking on Collision Avoidance in the Future LEO Space Debris Environment
David Sibert (ExoAnalytic Solutions, Inc.), Maj David Borgeson (USAF Space Command Space and Missile Systems Center), Glenn Peterson (The Aerospace Corporation), Alan Jenkin (The Aerospace Corporation), Marlon Sorge (The Aerospace Corporation)

Keywords: space debris

Optical Photometric Observations of GEO Debris
Patrick Seitzer (University of Michigan), Heather M. Cowardin (ESCG/Jacobs Technology), Edwin Barker (LZ Technology, Inc.), Kira J. Abercromby (California Polytechnic State University), Thomas M. Kelecy (Boeing LTS), Matt Horstman (ESCG/ERC Technologies)

Keywords: debris, photometry

Optimizing Orbital Debris Monitoring with Optical Telescopes
James R. Shell (US Air Force, Space Innovation and Development Center)

Keywords: Systems

Orbital Debris Observation via Laser Illuminated Optical Measurement Techniques
Makoto Takawa (Kyushu University), Toshiya Hanada (Kyushu University), Kozue Hashimoto (IHI Corporation), Yukihito Kitazawa (IHI Corporation), Aritsune Kawabe (IHI Corporation)

Keywords: Orbital Debris , Optical Observation , Laser Illuminated

Pay Me Now or Pay Me More Later: Start the Development of Active Orbital Debris Removal Now
Dr. Darren McKnight (Integrity Applications Inc.)

Keywords: space debris

Phase Angle: What is it good for?
Paul Kervin (Air Force Research Laboratory/RDSMA), Doyle Hall (Boeing LTS), Mark Bolden (Air Force Research Laboratory/RDSMA), Joe Toth (Boeing LTS)

Keywords: Non-Resolved Object Characterization

Photon Sieve Space Telescope
Geoff Andersen (USAF Academy), Mike Dearborn (USAF Academy), Geoff McHarg (USAF Academy)

Keywords: space-based imagery

Preliminary Astrometric Results from the PS1 Demo Month and Routine Survey Operations
David G. Monet (U.S. Naval Observatory)

Keywords: PanSTARRRS

Real Time Polarization Light Curves for Space Debris and Satellites
Dr. John Stryjewski (CSC-ISTEF), Dan Hand (CSC-ISTEF), Dr. David Tyler (University of Arizona), Sukumar Murali (University of Arizona), Dr. Mike Roggemann (Michigan Technological University), Nick Peterson (Michigan Technological University)

Keywords: light curves, polarization

Recent Advances in High-Resolution MEMS DM Fabrication and Integration
Thomas Bifano (Boston University), Steven Cornelissen (Boston Micromachines Corporation), Paul Bierden (Boston Micromachines Corporation)

Keywords: adaptive optics

Satellite Attitude from a Raven Class Telescope
Daron Nishimoto (Pacific Defense Solutions, LLC), David Archambeault (Pacific Defense Solutions, LLC), David Gerwe (The Boeing Company), Paul Kervin (Air Force Research Laboratory, RDSM)

Keywords: Non-Resolved Object Characterization

Satellite Collision Modeling with Physics-Based Hydrocodes: Debris Generation Predictions of the Iridium-Cosmos Collision Event and Other Impact Events
H. Keo Springer (Lawrence Livermore National Laboratory), Wayne O. Miller (Lawrence Livermore National Laboratory), JoAnne L. Levatin (Lawrence Livermore National Laboratory), Alex J. Pertica (Lawrence Livermore National Laboratory), Scot S. Olivier (Lawrence Livermore National Laboratory)

Keywords: Modeling

Satellite Imaging and Characterization with Optical Interferometry
Anders M. Jorgensen (New Mexico Institute of Mining and Technology), Eric J. Bakker (New Mexico Institute of Mining and Technology), G. C. Loosa (New Mexico Institute of Mining and Technology), D. Westpfahl (New Mexico Institute of Mining and Technology), J. T. Armstrong (Naval Research Laboratory), R. L. Hindsley (Naval Research Laboratory), H. R. Schmitt (Naval Research Laboratory), S. R. Restaino (Naval Research Laboratory)

Keywords: Systems

Sharing Space Situational Awareness Data
Maj Duane Bird, USAF (United States Strategic Command)

Keywords: Integrating Diverse Data

Small Space Launch: Origins & Challenges
Lt Col Thomas H. Freeman, USAF (Launch Test Squadron, SMC/SDTW), Maj Jose Delarosa, USAF (Launch Test Squadron, SMC/SDTW)

Keywords: space situational awareness

Space Debris Characterization Using Thermal Imaging Systems
James A. Dawson (Dynetics, Inc.), Charles T. Bankston (Dynetics, Inc.)

Keywords: Thermal Imaging Systems, HgCdTe, space debris, airborne sensing, space-based sensing

Space Domain Awareness for Manned GEO Servicing
Maj Travis Blake (Defense Advanced Research Projects Agency)

Keywords: Systems

SSA Image Quality Modeling
Carlos E. Luna (Boeing Phantom Works - Advanced Networks & Space Systems), David R. Gerwe (Boeing Phantom Works - Advanced Networks & Space Systems), Brandoch Calef (Boeing Laser Technical Services)

Keywords: Image quality, NIIRS

Status and Progress in the Space Surveillance and Tracking Segment of ESA’s Space Situational Awareness Programme
Emmet J. Fletcher (European Space Agency)

Keywords: Systems

Surface Material Characterization from Multi-band Optical Observations
Doyle Hall (Boeing LTS)

Keywords: satellite characterization, spectral unmixing, material identification

Technical Analysis of Commercially Hosted Optical Payloads for Enhanced SSA
Jonathan D. Lowe (Analytical Graphics, Inc.), David A. Vallado (Center for Space Standards and Innovation), Bob Hall (Analytical Graphics, Inc.)

Keywords: SSA, Hosted Payloads, GEO, space-based sensors

Test of Neural Network Techniques Using Simulated Dual-Band Data of LEO Satellites
Anthony V. Dentamaro (Boston College), Phan D. Dao (Air Force Research Laboratories, Space Vehicles Directorate), Kimberly R. Knobel (Air Force Research Laboratories, Space Vehicles Directorate)

Keywords: Space object identification, neural network, multi-pass satellite simulation

The Long Wavelength Array (LWA): A Large HF/VHF Array for Solar Physics, Ionospheric Science, and Solar Radar
Namir E. Kassim (Naval Research Laboratory), Stephen M. White (AFRL), Paul Rodriquez (Consultant), Jacob M. Hartman (Naval Research Laboratory), Brian C. Hicks (Naval Research Laboratory), Joseph Lazio (Naval Research Laboratory), Kenneth P. Stewart (Naval Research Laboratory), Joseph Craig (University of New Mexico), Gregory B. Taylor (University of New Mexico), Charles Cormier (New Mexico Institute of Mining & Technology), Van Romero (New Mexico Institute of Mining & Technology), Fredrick Jenet (University of Texas)

Keywords: long wavelength array

Threat Assessment of Small Near-Earth Objects
Eileen V. Ryan (New Mexico Institute of Mining and Technology), William H. Ryan (New Mexico Institute of Mining and Technology)

Keywords: Near-Earth Objects, Asteroid Impacts, Planetary Defense