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Establishment and Implementation of a Close Approach Evaluation and Avoidance Process for Earth Observing System MissionsIn the fall of 2004, the Earth Science Mission Operations Project tasked the Goddard Space Flight Center (GSPC) Flight Dynamics Analysis Branch with establishment of a process to protect the high-value Earth Observing System (EOS) missions (Terra, Aqua, and Aura) from close approaches with space debris and other orbiting objects. An agreement between GSFC and the United States Strategic Command was put in place so that close approach predictions would be routinely generated. This paper describes the ESMO conjunction assessment process for the EOS satellites. Process details, including tools and algorithms developed, are discussed. Particular details for a predicted close approach between Terra and a piece of space debris that resulted in the execution of a debris avoidance maneuver are included. This close approach example is described in detail fiom the first screening identification through execution of the mitigation maneuver to illustrate both the process and lessons learned fiom its implementation.
Document ID
20070016604
Acquisition Source
Goddard Space Flight Center
Document Type
Conference Paper
Authors
Newman, Lauri
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Duncan, Matthew
(NASA Goddard Space Flight Center Greenbelt, MD, United States)
Date Acquired
August 23, 2013
Publication Date
January 1, 2006
Subject Category
Earth Resources And Remote Sensing
Meeting Information
Meeting: AAS/AIAA Astrodynamics Specialist Conference
Location: Keystone, CO
Country: United States
Start Date: June 21, 2006
End Date: June 24, 2006
Sponsors: American Inst. of Aeronautics and Astronautics, American Astronomical Society
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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