Technical Papers – Astrodynamics

A Novel Stochastic Unscented Transform for Robust State Estimation Enabling Enhanced Space Domain Awareness

Gerardo Rivera, West Virginia University; Jacob Griesbach, ARKA/Stratagem; Rachit Bhatia, West Virginia University; Piyush Mehta, West Virginia University

Keywords: covariance realism, optimal sequential filter, space domain awareness, lethal non-trackable, space debris

Early Classification of Space Objects Based on Astrometric Time Series Data

Giovanni Lavezzi, Massachusetts Institute of Technology; Peng Mun Siew, Massachusetts Institute of Technology; Di Wu, Massachusetts Institute of Technology; Zachary Folcik, MIT Lincoln Laboratory; Victor Rodriguez-Fernandez, Universidad Politécnica de Madrid; Jeffrey Price, United States Air Force; Richard Linares, Massachusetts Institute of Technology

Keywords: Machine Learning, Early Time Series Classification, SSA

Initial Orbit Determination from Ambiguous TDOA and FDOA Measurements of Passive Radio Frequency Signals

Benjamin Feuge-Miller, Applied Research Laboratories, The University of Texas at Austin; Andrew Joplin, Applied Research Laboratories, The University of Texas at Austin; Johnathan York, Applied Research Laboratories, The University of Texas at Austin

Keywords: initial orbit determination, passive radio frequency, ambiguous pseudo-range, time difference of arrival, frequency difference of arrival, daylight techniques, space domain awareness

Learned Initial Orbit Determination from Simulated Electro Optical Observations

Alexander Cabello, EO Solutions Corp; Jeff Houchard, EO Solutions Corp; Cameron Harris, EO Solutions Corp; Zach Gazak, USSF SSC/SZG; Jonathan Kadan, USSF SSC/SZG; Justin Fletcher, USSF SSC/SZG

Keywords: Machine Learning, Initial Orbit Determination, Simulation

Leveraging Corkscrew Patrol Orbits to Improve Custody of Closely Spaced Objects

Erin Griggs, Trusted Space, Inc.; Sydney Bonbrest, Trusted Space, Inc.; Matt Schierholtz, Trusted Space, Inc.; Mark Bolden, Trusted Space, Inc.; Islam Hussein, Trusted Space, Inc.; Tom Kubancik, Trusted Space, Inc.; Blair Thompson, Department of Astronautics, United States Air Force Academy

Keywords: Geostationary Orbit, Patrol Orbit, Space Domain Awareness, Space Situational Awareness, Orbit Determination

Metric Tensor Fields along Trajectory Solution Surfaces for Astrographic Map-Making

Garrick Lau, University of Colorado Boulder; Marcus Holzinger, University of Colorado Boulder; Jill Bruer, Air Force Research Laboratory

Keywords: visualization, differential geometry, maps

Minimum Observation Methods of Initial Maneuver Determination

Sam Wishnek, BAE Systems

Keywords: maneuver, maneuver estimation, optical,

Multi-Frame Observation-to-Orbit Association for Angles-Only Measurements

Cameron Harris, EO Solutions; Marco Kobayashi, EO Solutions; Jeff Houchard, EO Solutions; Daron Nishimoto, EO Solutions; Jonathan Kadan, Odyssey Systems Consulting

Keywords: OTOA, Correlation, UCT, Data Association

Robust Strategies for Incorporating Parameter Uncertainty in Constrained Admissible Regions

Thomas Dearing, Arka Group; Jacob Griesbach, Arka Group; Piyush Mehta, West Virginia University

Keywords: CARMHF, Multi-Hypothesis Filter, Constraint Admissible Region