Technical Papers – 2018

A Numerical Solution to Orbital Pursuit-Evasion Games
Dan Shen, Intelligent Fusion Technology, Inc; Khanh Pham, AFRL/RVSWS; Genshe Chen, Intelligent Fusion Technology, Inc.

Keywords: Pursuit-evasion game, space situational awareness, numerical solution, non-linear programming, multi-objective optimization, satellite interception, collision avoidance.

A Summary of 5-Eyes Research Collaboration into SSA
Andrew Ash, Defence Science and Technology Laboratory; Jovan Skuljan, Defence Technology Agency; Robert "Lauchie" Scott, Defence R&D Canada; Wesley Martin, Secretary of the Airforce/Internal Affairs, Virginia Wright, Air Force Research Laboratory, Travis Bessell, Defence Science and Technology Group

Keywords: SSA, CSPO, 5-eyes

Accurate Optical Observation of Space Objects in LEO Regime
Noelia Sánchez-Ortiz, DEIMOS Space; Jaime Nomen Torres, DEIMOS Space; Raúl Domínguez-González, DEIMOS Space; Nuria Guijarro López, DEIMOS Space

Keywords: Telescope, optical sensor, LEO, measurements , accuracy

Advanced Atmospheric Mitigation Decision Aids for Space Imaging and Laser Communications
Randall Alliss, Northrop Grumman; Heather Kiley, Northrop Grumman Corporation; Mary Ellen Craddock, NGC; Danny Felton, NGC; Michael Mason, NGC

Keywords: Atmospheric Mitigation, Laser communications, optical communications, Artificial intelligence, machine learning

Advances in Polarized Remote Acoustic Imaging
Zachary Watson, HartSCI LLC; Michael Hart, HartSCI LLC; Mark Milton, HartSCI LLC; Johanan Codona, HartSCI, LLC; Wellesley Pereira, AFRL/RV

Keywords: Acoustic Imaging, SSA, Novel Instrumentation

Aperture Efficiency and Wide Field-of-View Optical Systems
Mark Ackermann, Sandia National Laboratoriess; Rex Kiziah, USAF Academy; John McGraw, J.T. McGraw & Associates; Peter Zimmer, J.T. McGraw & Associates

Keywords: Wide Field, Optical System, Lens, Mirror, Obscuration

Applications of Random Sampling Consensus to Space Object Motion Analysis
Brien Flewelling, ExoAnalytic Solutions

Keywords: Statistics, Initial Orbit Determination, Data Fusion, Model Estimation

Approaches for Astrometry using Event-Based Sensors
Gregory Cohen, Western Sydney University; Saeed Afshar, Western Sydney University; Andre van Schaik, Western Sydney University

Keywords: Event-based sensors, astrometry, SSA, optical imaging

Attitude Detection of Buccaneer RMM CubeSat through Experimental and Simulated Light Curves in combination with Telemetry Data
Manuel Cegarra Polo, UNSW Canberra; Rasit Abay, UNSW Canberra; Steve Gehly, UNSW Canberra; Andrew Lambert, UNSW Canberra; Philippe Lorrain, UNSW Canberra; Sudantha Balage, UNSW Canberra; Melrose Brown, UNSW Canberra; Courtney Bright, UNSW Canberra

Keywords: CubeSat, attitude detection, light curve, BRDF

Attitude Propagation of Resident Space Objects with Recurrent Neural Networks
Davide Amato, University of Arizona; Roberto Furfaro, University of Arizona; Aaron J. Rosengren, University of Arizona; Mohammad Maadani, University of Arizona

Keywords: Attitude propagation, recurrent neural networks, long short term memory, astrodynamics, SSA

Automating the Assessment of Orbit Predictions and Estimations for Building and Maintaining a New Catalogue
Michael Lachut, EOS Space Systems and Space Environment Research Centre; James Bennett, EOS Space Systems and Space Environment Research Centre; David Kooymans, EOS Space Systems

Keywords: Orbit Estimation, Orbit Prediction, Regressioon Modelling

Autonomy Testbed Development for Satellite Debris Avoidance
Edward Gregson, Dalhousie University; Mae Seto, Dalhousie University; Bumsoo Kim, Defence R&D Canada

Keywords: Space Debris, collision avoidance, autonomy

Bayesian Inference of Spacecraft Pose Using Particle Filtering
Maxim Bazik, Vision Systems Inc.; Brien Flewelling, ExoAnalytic Solutions; Manoranjan Majji, Texas A&M University; Joseph Mundy, Vision Systems Inc.

Keywords: Satellite, pose estimation, particle filter, bayesian probability, space situation awareness

Blockchain Application Within a Multi-Sensor Satellite Architecture
Rohit Mital, SGT KBRwyle; Jack de La Beaujardiere, University of Maryland; Rohan Mital, University of Colorado; Marge Cole, NASA ESTO and SGT KBRwyle; Charles Norton, NASA Headquarters

Keywords: Block chain, Multi-Sensor Satellite ,dynamic autonomous observation planning,

Characterization of Spacecraft Materials using Reflectance Spectroscopy
Jacqueline Reyes, The University of Texas at El Paso; Darren Cone, University of Texas at El Paso

Keywords: Reflectance spectroscopy, Orbital debris, material characterization, optical properties, light

CHES: A Rapid All-Sky Survey System for SSA
Chen Zhang, Purple Mountain Observatory, Chinese Academy of Sciences and University of Science and Technology of China; YD Ping, Purple Mountain Observatory, Chinese Academy of Sciences and University of Science and Technology of China; CY Zhao, Purple Mountain Observatory, Chinese Academy of Sciences and University of Science and Technology of China

Keywords: Wide field survey, telescope system, survey strategy

Chimera: A High-Speed Three-Color Photometer for Satellite Characterization
Harrison Krantz, University of Arizona Steward Observatory; Eric Pearce, University of Arizona Steward Observatory; Louis Avner, University of Arizona Steward Observatory; Kris Rockowitz, University of Arizona

Keywords: Photometry, High-speed, multi-color, electron multiplying CCD, space surveillance

Combining Observations for Re-entry Purposes
Benjamin Bastida Virgili, ESA/ESOC Space Debris Office; Stijn Lemmens, ESA/ESOC Space Debris Office; Jan Siminski, ESA/ESOC Space Debris Office; Quirin Funke, ESA/ESOC Space Debris Office; Tim Flohrer, ESA/ESOC Space Debris Office

Keywords: Re-entry, debris, orbit data fusion

Comparative Performance of a 3-Sided and 4-Sided Pyramid Wavefront Sensor
Johanan Codona, Air Force Research Laboratory; Michael Hart, HartSCI LLC and University of Arizona; Lauren Schatz, University of Arizona; Mala Mateen, Air Force Research Laboratory

Keywords: Adaptive Optics, Pyramid Wavefront Sensors, Performance, Noise Sensitivity.

Conceptual Development of a Civil Space Traffic Management System (CSTM) Capability
Mark Skinner, The Aerospace Corporation

Keywords: space situational awareness, space traffic management

Cyclic Complex Spin State Evolution of Defunct GEO Satellites
Conor Benson, University of Colorado Boulder; Daniel Scheeres, University of Colorado Boulder; William Ryan, New Mexico Tech/MRO; Eileen Ryan, New Mexico Tech/MRO

Keywords: GEO debris, YORP effect, tumbling, light curves

Data Topography for Pervasive, Proliferated Space Situational Awareness
Phillip Cunio, ExoAnalytic Solutions; Ben Corbin, IDA/STPI; Brien Flewelling, ExoAnalytic Solutions

Keywords: Data lakes, proliferated systems, pervasive space situational awareness, big data

Daytime SBR Modeling of GEOs in the SWIR for Low-cost, Ground-based Imaging
Grant Thomas, Air Force Institute of Technology; Richard Cobb, Air Force Institute of Technology

Keywords: daytime imaging, custody, SWIR, NIR, ground-based, remote sensing

De-Orbiting Small Satellites Using Inflatables
Aman Chandra, University of Arizona; Jekan Thangavelautham, University of Arizona

Keywords: De-orbit; space debris; CubeSats; inflatables

Debris Characterization, Albedo, and Plume Measurements from Laser Ablations of Satellite Materials in High-Vacuum and in Gaseous Ambients
Gouri Radhakrishnan, The Aerospace Corporation; Paul Adams, The Aerospace Corporation; Diana Alaan, The Aerospace Corporation; Christopher Panetta, The Aeropsace Coproration

Keywords: Laser Ablation, Hypervelocity Impact, Albedo, Debris Characterization

Demonstration of Precise Orbit Determination of GEO Spacecraft for Geolocation Using the Fourier SRP Model
Jay McMahon, University of Colorado Boulder

Keywords: precise orbit determination, solar radiation pressure, geolocation

Demonstration of Real-Time Quasi-Physical Atmosphere Density Estimation Approach for Space Traffic Management
Piyush Mehta, West Virginia University; Richard Linares, Massachusetts Institute of Technology

Keywords: Drag, Upper Atmosphere, Reduced Order Modeling, Data Assimilation, Radar Observation

Development of a New SSA Facility at Learmonth Australia
Craig Smith, EOS Space Systems; Ben Greene, Electro Optic Systems Pty Limited; Matthew Bold, Lockheed Martin Space Systems Company; Rod Drury, Lockheed Martin, Australia

Keywords: Optical sensors, laser ranging, network operations

Development of an In-orbit Measurement of a Ground Based Adaptive Optics Corrected Laser
Francis Bennet, Australian National University; Doris Grosse, Australian National University; Marcus Lingham, Australian National University; Visa Korkiakoski, Australian National University; T. Travouillon, Australian National University; Celine d'Orgeville, Australian National University; Ben Sheard, EOS Space Systems; Craig Smith, EOS Space Systems

Keywords: Adaptive optics, space environment management, photon pressure

Doppler Curves in Satellite Tracking and Characterization
David Richmond, Lockheed Martin; Katrina Raichle, Lockheed Martin

Keywords: Manuever Detection, Doppler

DVD-COOP for Maneuver Path Optimization of Conjunctive Resident Space Objects for Space Traffic Management
Jehyun Cha, Hanyang University; Drew McNeely, University of Texas at Austin; Joonghyun Ryu, Hanyang University; Misoon Mah, Air Force Office of Scientific Research (AFOSR); Moriba Jah, The University of Texas at Austin; Deok-Soo Kim, Hanyang University

Early Blast Point Determination For Large GEO Fragmentation Events
Weston Faber, L3 Applied Defense Solutions; Waqar Zaidi, L3 Applied Defense Solutions; Paul Schumacher, Jr., Air Force Research Laboratory

Keywords: Fragmentation blast point determination, Fragmentation, Breakup, GEO, Resident Space Object

ELROI: A Satellite License Plate to Simplify Space Object Identification
Rebecca Holmes, Los Alamos National Laboratory; Charles Weaver, Los Alamos National Laboratory; David Palmer, Los Alamos National Laboratory

Keywords: Space object identification, optical, space debris, cubesat, single-photon detector

Enhancing Cognitive Fusion for Space Situational Awareness
Steven Ingram, Lockheed Martin; Rupinder Paul, Virginia Tech; Andrew Zizzi, Lockheed Martin Advanced Technology Center; Brian Mayer, Virginia Tech; Naren Ramakrishnan, Virginia Tech; Moses Chan, Lockheed Martin

Equatorial Radar Array for Detection and Characterization of Earth-Orbiting Objects
Kathleen Minear, Specialized Arrays Inc; G. Patrick Martin, Specialized Arrays Inc

Keywords: Space situational awareness, orbital debris, orbit determination, widely-spaced coherent transmit arraying, large reflector uplink arraying, complex envelope phase/time transfer, radar, LILO, AOA

Estimating Sidereal Rotation Period of Resident Space Objects using Non-uniformly Sampled Light Curves
Katiyayni Balachandran, University of Texas at Arlington; Kamesh Subbarao, University of Texas at Arlington

Keywords: Light curves, Rotation Period, Resident Space Objects, Power spectrum, Simulation

Estimating the Complex Atmospheric Wave Front from Speckle Images
Douglas Hope, Hope Scientific Renaissance LLC; Stuart Jefferies, Georgia State University

Keywords: Imaging through Turbulence, Image Restoration

Exploring Photometry System Trades with a Pixel-Level Data Simulator
Nicole Gagnier, The Boeing Company; Brandoch Calef, The Boeing Company; Ryan Coder, AFRL

Keywords: Photometry, astrometrics, sensors, modeling and simulation

Extending Daytime Adaptive Optics to Faint Objects
Michael Hart, HartSCI LLC

Keywords: Adaptive optics, daytime imaging, laser guide stars, faint object characterization

Feasibility of Using Commercial Star Trackers for On-Orbit Resident Space Object Detection
Samuel Clemens, York University; Regina Lee, York University; Paul Harrison, Magellan Aerospace; Warren Soh, Magellan Aerospace

Keywords: Resident Space Object, Star Tracker, Space-based, Detection

Fengyun-1C Debris Cloud Evolution Over One Decade
John Lambert, Cornerstone Defense

Keywords: orbital debris, Fengyun-1C, debris cloud

FireOPAL: Analysis of One Million High Time Resolution Optical Light Curves
Matthew Bold, Lockheed Martin Advanced Technology Center; Greg Madsen, Lockheed Martin Space; Phil Bland, Curtin University; Robert Howie, Curtin University; Ben Hartig, Curtin University; James Mason, Lockheed Martin Advanced Technology Center; Dane McCormack, Lockheed Martin Space; Rod Drury, Lockheed Martin Space

Keywords: Optical SSA, light curves, characterization

FireOPAL: Continental-scale Coordinated Observations of the OSIRIS-Rex Flyby
Trent Jansen-Sturgeon, Curtin University; Ben Hartig, Curtin University; Phil Bland, Curtin University; Greg Madsen, Lockheed Martin Space; Matthew Bold, Lockheed Martin Advanced Technology Center; Robert Howie, Curtin University; James Mason, Lockheed Martin Advanced Technology Center; Rod Drury, Lockheed Martin Space; Dane McCormack, Lockheed Martin Space

FireOPAL: Technical Performance and First Results
Greg Madsen, Lockheed Martin; Phil Bland, Curtin University; Matthew Bold, Advanced Technology Center; Robert Howie, Curtin University; Ben Hartig, Curtin University; Trent Jansen-Sturgeon, Curtin University; James Mason, Lockheed Martin Advanced Technology Center; Liam Smith, Lockheed Martin Advanced Technology Center; Dane McCormack, Lockheed Martin Advanced Technology Center; Rod Drury, Lockheed Martin Advanced Technology Center

Keywords: Optical SSA, autonomous sensors

FireOPAL: Toward a Low-Cost, Global, Coordinated Network of Optical Sensors for SSA
Phil Bland, Curtin University; Greg Madsen, Lockheed Martin Space; Matthew Bold, Lockheed Martin Advanced Technology Center; Robert Howie, Curtin University; Ben Hartig, Curtin University; Trent Jansen-Sturgeon, Curtin University; James Mason, Lockheed Martin Advanced Technology Center; Dane McCormack, Lockheed Martin Space; Rod Drury, Lockheed Martin Space

First Results from the Adaptive Optics System for LCRD’s Optical Ground Station One
Lewis Roberts, Jet Propulsion Laboratory, California Institute of Technology; Gary Block, Jet Propulsion Laboratory, California Institute of Technology; Santos Fregoso, Jet Propulsion Laboratory, California Institute of Technology; Harrison Herzog, Jet Propulsion Laboratory, California Institute of Technology; Seth Meeker, Jet Propulsion Laboratory, California Institute of Technology; Jennifer Roberts, Jet Propulsion Laboratory, California Institute of Technology; Jonathan Tesch, Jet Propulsion Laboratory, California Institute of Technology; Tuan Truong, Jet Propulsion Laboratory, California Institute of Technology; Joshua Rodriguez, Jet Propulsion Laboratory, California Institute of Technology; Andrew Bechter, University of Notre Dame

Keywords: Adaptive optics, laser communication

First Results from the Deployment of Expert Centres supporting Optical and Laser Observations in a European Space Surveillance and Tracking System
Tim Flohrer, ESA Space Debris Office and Space Situational Awareness Programme; Beatriz Jilete, GMV@ESA/ESAC, SSA Programme Office, Villanueva de la Canada; Emiliano Cordelli, Astronomisches Institut Universität Bern; Thomas Schildknecht, Astronomisches Institut Universität Bern

Keywords: SSA, Optical Observations, Sensor calibration, Sensor networking

Fragmentation Event Identification Using Back Propagation with Variable Ballistic Coefficient Calculation
Kristen Tetreault, Virginia Tech; Shane Ross, Virginia Tech; Kevin Schroeder, Virginia Tech; Jonathan Black, Virginia Tech

Keywords: space surveillance, orbital debris, fragmentation, backward propagation

Free-space Quantum Communication Link with Adaptive Optics
Francis Bennet, Australian National University; Oliver Thearle, Australian National University; Lyle Roberts, Australian National University; Jordan Smith, Australian National University; James Spollard, Australian National University; Daniel Shaddock, Australian National University; Ping Koy Lam, Australian National University

Keywords: Adaptive optics, quantum key distribution, optical communication

Future of the Space Situational Awareness Enterprise – Global Trends
Asha Balakrishnan, IDA Science and Technology Policy Institute; Sara Carioscia, IDA Science and Technology Policy Institute; Becaja Caldwell, IDA Science and Technology Policy Institute; Bhavya Lal, IDA Science and Technology Policy Institute

Keywords: Space Situational Awareness, SSA, Space Traffic Management, STM, Global Trends, Global Cooperation, International Collaboration

High Resolution Imaging of Satellites in Daylight
Ryan Swindle, Air Force Research Laboratory; Douglas Hope, Hart Scientific Consulting LLC; Michael Hart, Hart Scientific Consulting LLC; Stuart Jefferies, Georgia State University

Keywords: Imaging, Image Restoration

High Sampling Rate Photometry of Spinning Satellites for Nano-Perturbation Detection
Daniel Kucharski, Space Environment Research Centre and University of Texas at Austin; James Bennett, EOS Space Systems and Space Environment Research Centre; Georg Kirchner, Space Research Institute, Satellite Geodesy Department, Austrian Academy of Sciences; Moriba Jah, The University of Texas at Austin; James Webb, EOS Space Systems Pty Ltd; Justin Spurbeck, The University of Texas at Austin

Keywords: High sampling rate photometry, spin dynamics

How State Error Covariance Matrices Evolve in Six Dimensions
Mark Vincent, Raytheon

Keywords: Covariance propagation, Liouville's Theorem, Probability of Collision

Image Formation with Coherent Illumination in Deep Turbulence
Richard Holmes, The Boeing Company; V. S. Rao Gudimetla, Air Force Research Laboratory

Keywords: Imaging, Active Illumination, Deep Turbulence

Imaging GEOs with a Ground-Based Sparse Aperture Telescope Array
Michael Werth, The Boeing Company; David Gerwe; Steven Griffin, The Boeing Company; Brandoch Calef, The Boeing Company; Paul Idell, The Boeing Company

Keywords: Interferometry, GEO Imaging, Optical Systems

Imaging Payload Performance Considerations for On-orbit Servicing and Active Debris Removal
Jim Shell, Novarum Tech, LLC

Keywords: Optical imaging, on-orbit servicing, active debris removal

Improved Drag Coefficient Modeling with Spatial and Temporal Fourier Coefficient Expansions: Theory and Application
Vishal Ray, University of Colorado Boulder; Daniel Scheeres, University of Colorado Boulder; Siamak Hesar, SpaceNAV; Matt Duncan, SpaceNAV

Keywords: Drag coefficient, Fourier series, attitude, estimation

Improving Techniques for Shack-Hartmann Wavefront Sensing: Dynamic-Range and Frame Rate
Takao Endo, Mitsubishi Electric Corporation; Yoshichika Miwa, Mitsubishi Electric Corporation; Jiro Suzuki, Mitsubishi Electric Corporation; Toshiyuki Ando, Mitsubishi Electric Corporation; Takashi Takanezawa, Mitsubishi Electric Corporation; Yutaka Ezaki, Mitsubishi Electric Corporation

Keywords: Wavefront sensing, Shack-Hartmann wavefront sensor, Adaptive optics

Increased Space Situation Awareness through Augmented Reality Enhanced Common Operating Pictures
Michael Jenkins, Charles River Analytics; Les Bird, Charles River Analytics; Geoffrey Catto, Charles River Analytics

Keywords: Space Situation Awareness, Augmented Reality, Visualization, Common Operating Picture, Space Battle Management Command and Control, BMC2

Integrating Orbital Debris Measurements and Modeling – How Observations and Laboratory Data are used to Help Make Space Operations Safer
Sue Lederer, NASA Johnson Space Center Orbital Debris Program Office; A. Vavrin, GeoControl Systems, Jacobs JETS; Heather Cowardin, Jacobs JETS; Mark Matney,NASA Johnson Space Center Orbital Debris Program Office; P. Anz-Meador, Jacobs JETS; Paul Hickson, University of British Columbia/Euclid Research

Keywords: orbital debris, models, telescopes, laboratory

Key Findings from the NEOSSat Space-Based SSA Microsatellite Mission
Robert Scott, Defence R&D Canada; Stefan Thorsteinson, Calian Inc.

Keywords: Space situational awareness, SSA, NEOSSat, Canadian Space Surveillance

Laser Beam for External Position Control and Traffic Management of On-Orbit Satellites
Himangshu Kalita, University of Arizona/SpaceTREx; Leonard Vance, University of Arizona/SpaceTREx; Vishnu Reddy, University of Arizona; Jekan Thangavelautham, University of Arizona/SpaceTREx

Keywords: Lasers; space debris; spacecraft control; SSA

LEO Cubesats Tracking with a Network of Polish Optical SST Sensors
Krzysztof Kaminski, Astronomical Observatory Institute, Faculty of Physics, A.Mickiewicz University; Edwin Wnuk, Astronomical Observatory Institute, Faculty of Physics, A.Mickiewicz University; Justyna Golebiewska, Astronomical Observatory Institute, Faculty of Physics, A.Mickiewicz University; Mikolaj Kruzynski, Astronomical Observatory Institute, Faculty of Physics, A.Mickiewicz University; Monika K. Kaminska, Astronomical Observatory Institute, Faculty of Physics, A.Mickiewicz University; Michal Zolnowski, 6 Remote Observatories for Asteroids and Debris Searching; Marcin Gedek, 6 Remote Observatories for Asteroids and Debris Searching; Rafal Borek, Polish Space Agency

Levarging Non-Traditional Sources (NTS) for Space Situational Awareness (SSA) Analytics
Thomas Gemmer, Aptima, Inc.; Charlotte Shabarekh, Aptima, Inc.

Keywords: Predictive SSA, Non Traditional Sources

Leveraging Machine Learning for High-Resolution Restoration of Satellite Imagery
Daniel Pimentel-Alarcon, Georgia State University; Ashish Tiwari, Georgia State University; Douglas Hope, Hope Scientific Renaissance LLC; Stuart Jefferies, Georgia State University

Leveraging the Emerging CubeSat Reference Model for Space Situational Awareness
Aman Chandra, University of Arizona; Mostafa Lutfi, University of Arizona; David Gross, University of Arizona

Keywords: Model Based Systems Engineering, CubeSat, CubeSat Reference Model, Space Situational Awareness, Architecture driven, SSA reference model

Machine Learning-based Stability Assessment and Change Detection for Geosynchronous Satellites
Phan Dao, AFRL Space Vehicles Directorate; Kristen Weasenforth, Applied Optimization; Jeff Hollon, Applied Optimization; Tamara Payne, Applied Optimization Inc.; Kimberly Kinateder, Wright State University; Adam Kruchten, University of Pittsburgh

Keywords: Machine learning, Bayesian changepoint, stabilized GEO, automation, photometry

Maneuver Detection of Space Objects using Generative Adversarial Networks
Rasit Abay, UNSW Canberra; Steve Gehly, UNSW Canberra; S. Balage, UNSW Canberra; Melrose Brown, UNSW Canberra; Russell Boyce, UNSW Canberra

Keywords: Machine learning,maneuver detection, generative adversarial networks, space situational awareness

Mass Estimation through Fusion of Astrometric and Photometric Data Collection with Application to Orbital Debris Characterization
Matthew Richardson, L3 Applied Defense Solutions; Thomas Kelecy, L3 Applied Defense Solutions

Keywords: mass estimation, astrometric, photometric, data fusion, orbital debris characterization

Methods of Processing Geosynchronous Breakups
Zachary Slatton, HQ AFSPC/A3/6Z, 18th Space Control Squadron; Robin Thurston, 18th Space Control Squadron/OL-D

Modeling Energy Dissipation in a Tumbling Defunct Satellite using a Finite Element Method
Ryotaro Sakamoto, University of Colorado Boulder; Daniel Scheeres, University of Colorado Boulder

Keywords: Finite Element, Energy dissipation,

Modular Neural Network Tasking of Space Situational Awareness Systems
Dan Regan, Ball Aerospace

Keywords: Deep Learning, Neural Network, Modular, SSA, Tasking, Simulation, Autonomous, Optimized, Scalable, Resilience, Adapable

Moving Point Source Detection and Localization in Wide-Field Images
Przemek Wozniak, Los Alamos National Laboratory; Lakshman Prasad, Los Alamos National Laboratory; Brendt Wohlberg, Los Alamos National Laboratory

Keywords: astrometry, moving objects, line detection

Multi-Fidelity Methods for Orbit Determination
Brandon Jones, University of Texas at Austin

Keywords: Orbit determination, uncertainty propagation, multi-fidelity methods

Near-real-time Continuous Filtering of Sensor Measurements using Data Stream Management Systems
Sven Müller, Institute of Space Systems, Technische Unviversität Braunschweig; Enrico Stoll, Institute of Space Systems, Technische Unviversität Braunschweig

Keywords: data streams, real-time, measurements, filtering, SST

New Optical Sensors Cluster for Efficient Space Surveillance and Tracking
Krzysztof Kaminski, Astronomical Observatory Institute, Faculty of Physics, A.Mickiewicz University; Edwin Wnuk, Astronomical Observatory Institute, Faculty of Physics, A.Mickiewicz University; Justyna Golebiewska, Astronomical Observatory Institute, Faculty of Physics, A.Mickiewicz University; Mikolaj Kruzynski, Astronomical Observatory Institute, Faculty of Physics, A.Mickiewicz University; Monika K. Kaminska, Astronomical Observatory Institute, Faculty of Physics, A.Mickiewicz University; Michal Zolnowski, 6 Remote Observatories for Asteroids and Debris Searching; Marcin Gedek, 6 Remote Observatories for Asteroids and Debris Searching; Jacek Pala, ScopeDome

Non-Traditional Data Collection and Exploitation for Improved GEO SSA via a Global Network of Heterogeneous Sensors
Jeff Aristoff, Numerica Corporation; Neil Dhingra, Numerica Corporation; Alex Ferris, Numerica Corporation; Austin Hariri, Numerica Corporation; Joshua Horwood, Numerica Corporation; Ari Larson, Numerica Corporation; Tyler Lyons, Numerica Corporation; Jeff Shaddix, Numerica Corporation; Navraj Singh, Numerica Corporation; Kevin Wilson, Numerica Corporation

Keywords: Space Situational Awareness, Data Fusion, Sensor Tasking and Scheduling, Small Aperture Wide Field of View Optical Systems, Small Autonomous Telescope Systems

Normality in State Uncertainties from Orbit Determination Results fitting Optical Measurements
Sven K. Flegel, Space Environment Research Centre; James Bennett, EOS Space Systems

Keywords: State uncertainty, normality, Henze-Zirkler, entropy

Novel Sparse Recovery Algorithms for 3D Debris Localization using Rotating Point Spread Function Imagery
Chao Wang, Chinese University of Hong Kong (CUHK); Robert Plemmons, Wake Forest University; Sudhakar Prasad, University of New Mexico; Raymond Chan, Chinese University of Hong Kong (CUHK); Mila Nikolova, ENS Cachan, University of Paris-Saclay

Keywords: 3D localization, image rotation, space debris, sparsity based non-convex optimization algorithms, image processing

Numerical Conservation of Exact and Approximate First Post-Newtonian Energy Integrals
Joseph O'Leary, University of South Australia and SERC Limited; James M. Hill, University of South Australia

Keywords: general relativity, astronomy, orbital dynamics, energy integrals, post-newtonian approximation

On-Orbit Meteor Impact Monitoring Using CubeSat Swarms
Ravi teja Nallapu, University of Arizona/ SpaceTREx; Himangshu Kalita, Univ. of Arizona/SpaceTREx; Jekan Thangavelautham, Univ. of Arizona/SpaceTREx

Keywords: swarm constellations; meteor impact; CubeSats; Small Satellites; Decentralized Control

On-Orbit Smart Camera System to Observe Illuminated and Unilluminated Space Objects
Steven Morad, University of Arizona, SpaceTREx; Ravi Teja Nallapu, University of Arizona, SpaceTREx; Himangshu Kalita, University of Arizona, SpaceTREx; Byong Kwon, Arizona State University, SpaceTREx; Vishnu Reddy, University of Arizona; Roberto Furfaro, University of Arizona; Erik Asphaug, University of Arizona; Jekan Thangavelautham, University of Arizona, SpaceTREx

Keywords: Camera; meteor; observation; vision algorithms

Optical Characterization of Commonly Used Thermal Control Paints in a Simulated GEO Environment
Miles Bengtson, University of Colorado Boulder; Jordan Maxwell, University of Colorado Boulder; Ryan Hoffmann, Air Force Research Labratory; Russell Cooper, Air Force Research Laboratory; Stephanie Schieffer, Air Force Research Laboratory; Dale Ferguson, Air Force Research Laboratory; W. Robert Johnston, Air Force Research Laboratory; Heather Cowardin, Jacobs, NASA Johnson Space Center; Elena Plis, Assurance Technology Corp; Daniel Engelhart, Assurance Technology Corp;

Keywords: Aging, Weathering, radiation, polyimide, reflectivity

Optical Detection for Space Situational Awareness (ODESSA)
Brian Kloppenborg, Georgia Tech Research Institute; Christopher Valenta, Georgia Tech Research Institute; Layne Churchill, Georgia Tech Research Institute; Marcus Holzinger, University of Colorado Boulder; Brian Gunter, Georgia Institute of Technology

Keywords: Space Situational Awareness program, Satellite characterization, sBRDF, Modeling, Simulation, Cube Satellite

Optical Ground Based Space Surveillance Obscured Sky Mitigation
Robert Bruck, BAE Systems; Francis Lundy, 18th Space Control Squadron, DOU

Optical Survey for Space Objects in High Earth Orbital Region
Rongyu Sun, Purple Mountain Observatory, Chinese Academy of Sciences; Shengxian Yu, Purple Mountain Observatory, Chinese Academy of Sciences

Keywords: optical survey, space debris, catalog, object detection

Optical Tracking and Attitude Determination of LEO CubeSats with LEDs: A Balloon Demonstration
Patrick Seitzer, University of Michigan; Justin H. Schachter, University of Michigan; Matthew Szczerba, University of Michigan; Daniel Gu, University of Michigan; Anny Lin, University of Michigan; Chris H. Lee, University of Michigan; James W. Cutler, University of Michigan; Peter D. Washabaugh, University of Michigan; Nathan Estell, University of Michigan; George Bryja, University of Michigan

Keywords: LEO, CUBESAT, LED, LEDsat, orbit determination, optical tracking

Optical Tracking of Artificial Earth Satellites with COTS Sensors
Tanner Campbell, University of Arizona; Vishnu Reddy, University of Arizona; Richard Linares, Massachusetts Institute of Technology; Jeffery Larsen, United States Naval Academy; Roberto Furfaro, University of Arizona

Keywords: Optical LEO tracking, SSA, orbit determination

Optimal Selection of Telescope Parameters for Space Situational Awareness Astrometry and Photometry
Timothy Murphy, L3 Applied Defense Solutions; Marcus Holzinger, University of Colorado Boulder

Keywords: Telescope, astrometry, photometry, exposure time, optimization

Optimization of Geosynchronous Space Situational Awareness Architectures using Parallel Computation
Michael Felten, U.S. Air Force; John Colombi, AFIT; Richard Cobb, AFIT; David Meyer, AFIT

Keywords: GEO, SSA, design, optimization, architecture

OWL-NET : A Global Network of Robotic Telescopes for Satellites Observation
Jang-Hyun Park, Korea Astronomy and Space Science Institute; Hong-Suh Yim, Korea Astronomy and Space Science Institute; Young-Jun Choi, Korea Astronomy and Space Science Institute (KASI) / University of Science and Technology (UST); Jung Hyun Jo, Korea Astronomy and Space Science Institute; Hong-Kyu Moon, Korea Astronomy and Space Science Institute; Young-Sik Park, Korea Astronomy and Space Science Institute; Dong-Goo Roh, Korea Astronomy and Space Science Institute; Sungki Cho, Korea Astronomy and Space Science Institute; Eun-Jung Choi, Korea Astronomy and Space Science Institute; Myung-Jin Kim, Korea Astronomy and Space Science Institute; Jin Choi, Korea Astronomy and Space Science Institute (KASI) / University of Science and Technology (UST)

Keywords: Satellite tracking, robotic telescope, optical observation

Pan-STARRS – The PS1 & PS2 Wide Area NEO Survey and Recent Results
Ken Chambers, University of Hawaii

Keywords: Pan-STARRS, surveys, photometry, astronometry, time domain, standards

Passive Debris Removal using Orbital Resonances
Aaron J. Rosengren, University of Arizona

Keywords: Space debris; High area-to-mass ratio objects; Disposal orbits; Celestial mechanics; Dynamical evolution and stability; Orbit perturbations; Disposal orbits

Passive RF Sensing in support of SSA
Matt Prechtel, Kratos RT Logic

Keywords: Sensors, RF, Maneuver Detection, Anomalies, SSA, Ranging, Patterns of Life

Performance of a Global Network of Laser-optical Tracking Stations for LEO Space Surveillance
Jens Rodmann, German Aerospace Center (DLR); Wolfgang Riede, German Aerospace Center (DLR); Stefan Scharring, German Aerospace Center (DLR)

Keywords: Laser, space situational awareness, space debris, system study

Photometric Measurements of Geostationary Satellites over the Western Pacific Region
Jovan Skuljan, Defence Technology Agency

Keywords: Geostationary satellites, photometry, data reduction techniques

Pomenis: A Small Portable Astrograph for Synoptic SSA
Eric Pearce, University of Arizona Steward Observatory; Louis Avner, University of Arizona Steward Observatory; Adam Block, University of Arizona Steward Observatory; Harrison Krantz, University of Arizona Steward Observatory; Kris Rockowitz, University of Arizona Steward Observatory

Keywords: Synoptic search, astrograph, wide field of view, night sky brightness, multicolor

Probabilistic Data Association Based on Intersection of Orbit Sets
Best Paper & Best Student Paper Award Winner 2018
Laura Pirovano, University of Surrey; Daniele Antonio Santeramo, Politecnico di Milano; Alexander Wittig, University of Southampton; Roberto Armellin, Surrey Space Centre; Pierluigi Di Lizia, Politecnico di Milano

Keywords: Data Association, Initial Orbit Determination, Differential Algebra, Space Debris

Progress in a New Conjunction and Threat Warning Service for Space Situational Awareness
James Bennett, EOS Space Systems and Space Environment Research Centre; Michael Lachut, EOS Space Systems and Space Environment Research Centre; Daniel Kucharski, Space Environment Research Centre and University of Texas at Austin; Sven K. Flegel, Space Environment Research Centre; Marek Moeckel, Space Environment Research Centre; James Allworth, EOS Space Systems; David Kooymans, EOS Space Systems; Alex Pollard, EOS Space Systems; Craig Smith, EOS Space Systems; Joseph O'Leary, Space Environment Research Centre and University of South Australia; Hansani Thanippuli Kankanamalage, Space Environment Research Centre and University of South Australia; Richard Samuel, Space Environment Research Centre and ANU University

Keywords: Optical and laser tracking, sensor network, database/catalogue, space debris, conjunction assessments

Quantifying the Response of a Synthetic Light Curve Generation Model to Varying Inputs
Laurence Blacketer, University of Southampton, Hugh Lewis, University of Southampton, Hodei Urrutxua, Universidad Rey Juan Carlos

Keywords: Light curve, synthetic, model, sensitivity, attitude, characterization, space situational awareness, SSA, active debris removal, ADR

RAPTORS: Hyperspectral Survey of the GEO Belt
Vishnu Reddy, University of Arizona; Tyler Linder, University of North Dakota; Richard Linares, Massachusetts Institute of Technology; Roberto Furfaro, University of Arizona; Scott Tucker, Starizona; Tanner Campbell, University of Arizona

Keywords: GEO, spectroscopy, RAPTORS, RAVEN, characterization

Ray-tracer for Modeling Interactions of Light with Space Objects
Olli Wilkman, Finnish Geospatial Research Institute

Keywords: Modeling, radiation pressure, photometry, satellite laser ranging

Real-time Optical Space Situational Awareness of Low-Earth Orbit with Small Telescopes
Peter Zimmer, J.T. McGraw and Associates, LLC; John McGraw, J.T. McGraw & Associates, LLC; Mark Ackermann, J.T. McGraw and Associates, LLC

Keywords: optical, SSA, telescope, LEO

Recent Developments in Shadow Imaging Prediction
David Sheppard, Integrity Applications, Inc.; Dennis Douglas, Integrity Applications, Inc.; Bobby Hunt, Integrity Applications, Inc.

Keywords: shadow imaging, shadow prediction, occultation

Recovering Astronomical Images with Deep Neural Network Supported Bispectrum Processing
Jacob Lucas, The Boeing Company; Brandoch Calef, The Boeing Company; Trent Kyono, The Boeing Company and UCLA Computer Science

Keywords: bispectrum, Convolutional Neural Network, image processing, phase retrieval

S&T Challenges of SSA Sensor Proliferation
Eric Felt, Space Vehicles Directorate, Air Force Research Laboratory; Timothy Sejba, Advanced Systems and Development Directorate, Space & Missile Systems Center

Keywords: SSA architecture, big data, data fusion, proliferation

Satellite and Debris Characterisation through Adaptive Optics Corrected Imaging
Michael Copeland, Australian National University; Francis Bennet, Australian National University; Francois Rigaut, Australian National University; Visa Korkiakoski, Australian National University; I. Price, Australian National University; Celine d'Orgeville, Australian National University; Craig Smith, EOS Space Systems

Keywords: Adaptive Optics, Imaging, Characterisation, Tracking

Satellite Capture and Servicing Using Networks of Tethered Robots Supported by Ground Surveillance
Himangshu Kalita, Univ. of Arizona/SpaceTREx; Roberto Furfaro, Univ. of Arizona; Jekan Thangavelautham, Univ. of Arizona/SpaceTREx

Keywords: On-orbit capture; satellite servicing; tethers; ground observation

Satellite Characterization, Classification, and Operational Assessment Via the Exploitation of Remote Photoacoustic Signatures
Justin Spurbeck, The University of Texas at Austin; Moriba Jah, The University of Texas at Austin; Daniel Kucharski, Space Environment Research Centre; James Bennett, EOS Space Systems; James Webb, EOS Space Systems Pty Ltd

Keywords: Photoacoustic sensing, resident space object characterization, maneuver detection and estimation, astrodynamics, space situational awareness

Scientific CMOS Camera for Observation of Dim Space Objects
Michael Jacox, Space Micro Inc; David Breckon, Space Micro Inc; Paul Sikangwan, Space Micro Inc; Joshua Villaflor, Space Micro Inc

Keywords: Scientific CMOS, space based camera, low read noise

Short-Term TLE Uncertainty Estimation Using an Artificial Neural Network Model
Hai Jiang, National Astronomical Observatories, Chinese Academy Sciences; Jing Liu, National Astronomical Observatories, Chinese Academy Sciences; Hao-wen Cheng, National Astronomical Observatories, Chinese Academy Sciences; Yao Zhang, National Astronomical Observatories, Chinese Academy Sciences

Keywords: Space debris, TLE Uncertainty, Neural Network

Simultaneous Glint Spectral Signatures of Geosynchronous Satellites from Multiple Telescopes
Augustine DeMeulenaere, U.S. Air Force Academy; Eli Harmon, U.S. Air Force Academy; Francis Chun, U.S. Air Force Academy

Keywords: Glints, spectra

Simultaneous Multi-filter Photometric Characterization of Space Debris at the Swiss Optical Ground Station and Geodynamics Observatory Zimmerwald
Emiliano Cordelli, Astronomisches Institut Universität Bern; Peter Schlatter, Astronomisches Institut Universität Bern; Thomas Schildknecht, Astronomisches Institut Universität Bern

Keywords: Optical Observations, Space Debris, Light Curve, Photometry, Object Characterization

Space Debris Mapping Services for use by LEO Satellite Operators
Adam Archuleta, DigitalGlobe, Inc.; Michael Nicolls, LeoLabs

Keywords: Space Situational Awareness, Conjunction Assessment, Services, Orbital Debris, LEO, Operator

Space Object Identification using Deep Neural Networks
Ian McQuaid, Air Force Institute of Technology; Laurence D. Merkle, Air Force Institute of Technology; Brett Borghetti, Air Force Institute of Technology; Richard Cobb, Air Force Institute of Technology; Justin Fletcher, Air Force Research Laboratory/Directed Energy Directorate

Keywords: Space situational awareness, artificial neural networks, deep neural networks, machine learning, GEO track association, non-resolved optical observations

Space Object Tracking from the Robotic Optical Observatory at RMIT University
Steve Gehly, UNSW Canberra; Brett Carter, RMIT University and SERC Limited; Yang Yang, RMIT University and SERC Limited; Han Cai, RMIT University and SERC Limited; Samantha Le May, RMIT University and SERC Limited; Robert Norman, RMIT University and SERC Limited; Julie Currie, RMIT University; Bill Adamos, RMIT University; Jerome Daquin, RMIT University; Richard Linares, Massachusetts Institute of Technology; Vishnu Reddy, University of Arizona

Keywords: Telescope, GEO, light curves, orbit determination, track correlation

Space Objects Classification via Light-Curve Measurements: Deep Convolutional Neural Networks and Model-based Transfer Learning
Roberto Furfaro, University of Arizona; Richard Linares, Massachusetts Institute of Technology; Vishnu Reddy, University of Arizona

Keywords: Deep learning, Convolutional Neural Networks, Space Object Classification

Spaceborne Orbit Determination of Uncorrelated Tracks (UCT) Using a Stabilized-Gauss-Method, Linear Perturbation Theory and Angle-Only Measurements
Mark Hinga, USAF AFMC AFRL/RDST

Keywords: Angles only, co-planar, stabilize

SSA Decision Support System Development and Evaluation using Cognitive Systems Engineering
Andris Jaunzemis, Georgia Institute of Technology; Dev Minotra, Georgia Institute of Technology; Karen Feigh, Georgia Institute of Technology; Marcus Holzinger, Georgia Institute of Technology; Moses Chan, Lockheed Martin Space

Keywords: Cognitive systems engineering, space situational awareness, decision support system

SSA Sensor Tasking: Comparison of Machine Learning with Classical Optimization Methods
Bryan Little, Purdue University; Carolin Frueh, Purdue University

Keywords: Sensor-tasking, machine learning, SSA

Stable Narrow-line VECSEL Operation for Sodium Guide Star Generation
Michael Hart, HartSCI LLC; Yushi Kaneda, University of Arizona; Mircea Guina, Tampere University of Technology; Jussi-Pekka Penttinen, Tampere University of Technology

Keywords: Adaptive optics, laser guide stars

Synthetic Heterogeneous Anomaly and Maneuver – Neural Network Event Winnowing System
Dwight Temple, ExoAnalytic Solutions

Keywords: neural, network, anomaly, characterization, SSA, autonomous, event, classification, indication, warning

Synthetic Tracking on a Small Telescope
Michael Shao, Jet Propulsion Laboratory, California Institute of Technology; Russel Trahan, JJet Propulsion Laboratory, California Institute of Technology; Chenxing Zhai, Jet Propulsion Laboratory, California Institute of Technology; Navtej Saini, Jet Propulsion Laboratory, California Institute of Technology; Slava Turyshev, Jet Propulsion Laboratory, California Institute of Technology

Keywords: Synthetic tracking, geodss, multihypothesis matched filter

System Level Studies to Design Optical Surveillance Networks in the Frame of the EU SST Support Framework
Vincent Morand, CNES; Joao Alves, EU SatCen; Johannes Gelhaus, DLR; Simon Georges, DSTL; Jose Maria Hermoso, CDTI; Elena Vellutini, ASI

Keywords: System studies, GEO, MEO, SSA, Telescopes, EUSST, Optical network

The Gaia Catalogue Second Data Release and its Implications to Optical Observations of Man-made Earth Orbiting Objects
James Frith, NASA Orbital Debris Program Office

Keywords: Photometry astrometry calibration filter Gaia spacecraft

The Governance of Space Situational Awareness – Revolution not Evolution
Ralph "Dinz" Dinsley, Northern Space and Security, Reflecting Space; Christopher Newman, Northumbria University and Reflecting Space

Keywords: Space Situational Awareness, Governance, Outer Space Treaty, Space Traffic Management

The Preliminary Results from Long-term Sparse Photometric Data
Shengxian Yu, Purple Mountain Observatory, Chinese Academy of Sciences; Rongyu Sun, Purple Mountain Observatory, Chinese Academy of Sciences

Keywords: Sparse data, photometry, rotation period, light curve

Tomographic Wave Front Sensing using an Imaging Shack-Hartmann Wave Front Sensor and Multi-Frame Blind Deconvolution
Matthew Willson, Georgia State University; Stuart Jefferies, Georgia State University; Douglas Hope, Hope Scientific Renaissance LLC

Keywords: high-quality 3-D wave front sensing, multi-aperture phase retrieval, turbulence

Towards the Detection of Faint Companions Around Geosats
Henrique Schmitt, Naval Research Laboratory; Ellyn Baines, Naval Research Laboratory; Tom Armstrong, Naval Research Laboratory; Sergio Restaino, Naval Research Laboratory

Keywords: geosats, optical interferometry, space situational awareness

Transformation between the Johnson-Cousins and Sloan Photometric Systems for SSA
Philip Castro, Applied Optimization Inc.; Tamara Payne, Applied Optimization Inc.; Joseph Moody, Brigham Young University; Stephen Gregory, Applied Optimization Inc.; Phan Dao, AFRL; Roberto Acosta, NASIC/GSMS

Keywords: Photometry, Spectral, Transformations, Calibrations, Characterization, SSA

Turbulence and Aerosol Research Dynamic Interrogation System Testing
Steven Zuraski, AFRL; Elizabeth Beecher, AFRL; Charles Carr, AFRL/RYMT; Tamara Payne, Applied Optimization Inc.; Adam Battle, Applied Optimization Inc.; Lucas Guliano, Applied Optimization Inc.; Steven Fiorino, Air Force Institute of Technology

Keywords: atmospheric turbulence, electro-optic sensing, Cn2,

Understanding the Effect of Perturbations on the Gaussianity of Various Coordinates for the Space Object Tracking Problem
Shambo Bhattacharjee, University of Leeds; John Kent, University of Leeds; Weston Faber, L3 Applied Defense Solutions; Islam Hussein, L3 Applied Defense Solutions; Moriba Jah, The University of Texas at Austin

Keywords: Uncertainty Propagation, point cloud, Adapted STructural (AST) coordinate system, Perturbation effects, Normality analysis

Utilizing Supercomputing to Analyze Risks of an Emergent Large-scale Debris Field in Low Earth Orbit
David Buehler, AFRL/RV; Dane Fuller, AFIT/CSRA; John Colombi, AFIT/ENV; William Wiesel, AFIT/ENY; Dave Meyer, AFIT/ENY; Richard Cobb, AFIT/ENY

Keywords: Space debris, modeling, supercomputing, high performance computing, collision likelihood

Vibrometry Challenges in Measuring Motion of Faraway Objects
Steven Griffin, The Boeing Company; David Gerwe, The Boeing Company; Jacob Lucas, The Boeing Company

Keywords: Vibrometry, satellites

Weather Considerations for Ground-Based Optical SSA Site Selection
Mark Ackermann, Sandia National Laboratories; Rex Kiziah, USAF Academy; Peter Zimmer, J.T. McGraw & Associates; John McGraw, J.T. McGraw & Associates

Keywords: Site Selection, Weather, Cloud Cover, Ground-Based Telescope

WENESSA, Wide Eye-Narrow Eye Space Simulation for Situational Awareness – Update of Recent Progress
Kenneth Keppler, Air Force Research Laboratory - Directed Energy Directorate; Michael Albert, Air Force Research Laboratory - Directed Energy Directorate; Paul LeVan, Air Force Research Laboratory - Directed Energy Directorate; Earl Spillar, Air Force Research Laboratory - Directed Energy Directorate; Stephen Lyke, Integrity Applications Inc; Jeff Houchard, Integrity Applications Inc; Isaiah Marquez, AEgis Technology Group; Chad Cogburn, AEgis Technology Group

Keywords: Wide-Eye, Narrow-Eye, networked telescopes