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OSIRIS-REx Contamination Control Strategy and ImplementationOSIRIS-REx will return pristine samples of carbonaceous asteroid Bennu. This manuscript describes how pristine was defined based on expectations of Bennu and on a realistic understanding of what is achievable with a constrained schedule and budget, and how that definition flowed to requirements and implementation. To return a pristine sample, the OSIRIS-REx spacecraft sampling hardware was maintained at Level 100 A/2 and less than 180 nanograms per square centimeter of amino acids and hydrazine on the sampler head through precision cleaning, control of materials, and vigilance. Contamination is further characterized via witness material exposed to the spacecraft assembly and testing environment as well as in space. This characterization provided knowledge of the expected background and will be used in conjunction with archived spacecraft components for comparison with the samples when they are delivered to Earth for analysis. Most of all, the cleanliness of the OSIRIS-REx spacecraft was achieved through communication between scientists, engineers, managers, and technicians.
Document ID
20180002869
Acquisition Source
Goddard Space Flight Center
Document Type
Conference Paper
Authors
Dworkin, J. P. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Adelman, L. A. (Arctic Slope Regional Corp. (ASRC) Federal Greenbelt, MD, United States)
Ajluni, T. (Arctic Slope Regional Corp. (ASRC) Federal Greenbelt, MD, United States)
Andronikov, A. V. (Geological Survey of Czech Republic Prague, Czech Republic)
Aponte, J. C. (Catholic Univ. of America Washington, DC, United States)
Bartels, A. E. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Beshore, E. (Arizona Univ. Tucson, AZ, United States)
Bierhaus, E. B. (Lockheed Martin Space Systems Co. Littleton, CO, United States)
Brucato, J. R. (Osservatorio Astrofisico Arcetri Florence, Italy)
Bryan, B. H. (Lockheed Martin Space Systems Co. Littleton, CO, United States)
Burton, A. S. (NASA Johnson Space Center Houston, TX, United States)
Castro-Wallace, S. L. (NASA Johnson Space Center Houston, TX, United States)
Clark, B. C. (Space Science Inst. (SSI) Boulder, CO, United States)
Clemett, S. J. (Jacobs Technology, Inc. Houston, TX, United States)
Connolly, H. C., Jr. (Rowan Univ. Glassboro, NJ, United States)
Cutlip, W. E. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Daly, S. M. (NASA Kennedy Space Center Cocoa Beach, FL, United States)
Elliott, V. E. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Elsila, J. E. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Enos, H. L. (Arizona Univ. Tucson, AZ, United States)
Everett, D. F. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Franchi, I. A. (Open Univ. Milton Keynes, United Kingdom)
Glavin, D. P. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Graham, H. V. (Maryland Univ. College Park, MD, United States)
Hendershot, J. E. (Applied Technology Associates (ATA) Aerospace Greenbelt, MD, United States)
Harris, J. W. (Lockheed Martin Space Systems Co. Littleton, CO, United States)
Hill, S. L. (Jacobs Technology Inc. Tullahoma, TN, United States)
Hildebrand, A. R. (Calgary Univ. Alberta, Canada)
Jayne, G. O. (Stinger Ghaffarian Technologies, Inc. Greenbelt, MD, United States)
Jenkens, R. W., Jr. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Johnson, K. S. (Lockheed Martin Space Systems Co. Littleton, CO, United States)
Kirsch, J. S. (Jacobs Technology Inc. Tullahoma, TN, United States)
Lauretta, D. S. (Arizona Univ. Tucson, AZ, United States)
Lewis, A. S. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Loiacono, J. J. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Lorentson, C. C. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Marshall, J. R. (Search for Extraterrestrial Intelligence Inst. Mountain View, CA, United States)
Martin, M. G. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Matthias, L. L. (Analex Corp. Titusville, FL, United States)
McLain, H. L. (Catholic Univ. of America Washington, DC, United States)
Messenger, S. R. (NASA Johnson Space Center Houston, TX, United States)
Mink, R. GT. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Moore, J. L. (Lockheed Martin Space Systems Co. Littleton, CO, United States)
Nakamura, Messenger, K. (NASA Johnson Space Center Houston, TX, United States)
Nuth, J. A., III (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Owens, C. V. (NASA Kennedy Space Center Cocoa Beach, FL, United States)
Parish, C. L. (Lockheed Martin Space Systems Co. Littleton, CO, United States)
Perkins, B. D. (NASA Kennedy Space Center Cocoa Beach, FL, United States)
Pryzby, M. S. (Applied Technology Associates (ATA) Aerospace Greenbelt, MD, United States)
Reigle, C. A. (Lockheed Martin Space Systems Co. Littleton, CO, United States)
Righter, K. (Boise State Univ. Boise, ID, United States)
Rizk, B. (Arizona Univ. Tucson, AZ, United States)
Russell, J. F. (Lockheed Martin Space Systems Co. Littleton, CO, United States)
Sandford, S. A. (NASA Ames Research Center Moffett Field, CA, United States)
Schepis, J. P. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Songer, J. (Lockheed Martin Space Systems Co. Littleton, CO, United States)
Sovinski, M. F. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Stahl, S. E. (JES Tech Houston, TX, United States)
Thomas-Keprta, K. (Jacobs Technology, Inc. Houston, TX, United States)
Vellinga, J. M. (Lockheed Martin Space Systems Co. Littleton, CO, United States)
Walker, M. S. (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Date Acquired
May 16, 2018
Publication Date
July 16, 2017
Subject Category
Lunar And Planetary Science And Exploration
Report/Patent Number
GSFC-E-DAA-TN41800
Meeting Information
Meeting: International Conference on the Origin of Life
Location: San Diego, CA
Country: United States
Start Date: July 16, 2018
End Date: July 21, 2018
Sponsors: Universities Space Research Association, Lunar and Planetary Inst., Earth Life Science Institute, International Society for the Study of the Origin of Life – The International Astrobiology Society (ISSOL), California Univ., NASA Headquarters
Funding Number(s)
CONTRACT_GRANT: NNH09ZDA007O
CONTRACT_GRANT: NNM10AA11C
CONTRACT_GRANT: NNG12FD66C
Distribution Limits
Public
Copyright
Public Use Permitted.

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