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NASA Conjunction Assessment Risk Analysis (CARA) Updated Requirements ArchitectureThe NASA Conjunction Assessment Risk Analysis (CARA) program has been performing routine on-orbit satellite conjunction risk analysis for unmanned NASA spacecraft since 2005, and has developed a robust operations procedure and set of recommended best practices for operational conjunction assessment. However, a number of recent developments in Space Situational Awareness and commercial space operations conduct, such as the immanent deployment of much more sensitive space sensing systems and the launching of much larger satellite constellations, have begun to challenge these standard collision risk parameters and calculations. In response CARA has pursued a multi-year evaluation initiative to re-examine risk assessment algorithms and techniques, to develop needed improvements, and to assemble analysis-based operational requirements. This paper gives an overview of the principal parts of the Conjunction Assessment (CA) risk assessment process used at CARA, outlines the technical challenges that each part presents, surveys the possible solutions, and then indicates which particular solution is being recommended for NASA.
Document ID
20190029215
Acquisition Source
Goddard Space Flight Center
Document Type
Presentation
Authors
Newman, L. K. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Mashiku, A. K. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Hejduk, M. D. (Astrorum Consulting, LLC Waco, TX, United States)
Johnson, M. R. (a.i. solutions, Inc. Lanham, MD, United States)
Rosa, J. D. (Omitron, Inc. Beltsville, MD, United States)
Date Acquired
August 20, 2019
Publication Date
August 13, 2019
Subject Category
Documentation And Information Science
Report/Patent Number
GSFC-E-DAA-TN71117-2
Meeting Information
Meeting: AAS/AIAA Astrodynamics Specialist Conference
Location: Portland, ME
Country: United States
Start Date: August 11, 2019
End Date: August 15, 2019
Sponsors: American Astronautical Society (AAS-HQ)
Distribution Limits
Public
Copyright
Public Use Permitted.

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