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02, 2018;214 (1):

OSIRIS-REx Contamination Control Strategy and Implementation.

J P Dworkin, L A Adelman, T Ajluni, A V Andronikov, J C Aponte, A E Bartels, E Beshore, E B Bierhaus, J R Brucato, B H Bryan, A S Burton, M P Callahan, S L Castro-Wallace, B C Clark, S J Clemett, H C Connolly, W E Cutlip, S M Daly, V E Elliott, J E Elsila, H L Enos, D F Everett, I A Franchi, D P Glavin, H V Graham, J E Hendershot, J W Harris, S L Hill, A R Hildebrand, G O Jayne, R W Jenkens, K S Johnson, J S Kirsch, D S Lauretta, A S Lewis, J J Loiacono, C C Lorentson, J R Marshall, M G Martin, L L Matthias, H L McLain, S R Messenger, R G Mink, J L Moore, K Nakamura-Messenger, J A Nuth, C V Owens, C L Parish, B D Perkins, M S Pryzby, C A Reigle, K Righter, B Rizk, J F Russell, S A Sandford, J P Schepis, J Songer, M F Sovinski, S E Stahl, K Thomas-Keprta, J M Vellinga, M S Walker
Author Information
  1. J P Dworkin: NASA Goddard Space Flight Center, Greenbelt, MD, USA.
  2. L A Adelman: NASA Goddard Space Flight Center, Greenbelt, MD, USA.
  3. T Ajluni: NASA Goddard Space Flight Center, Greenbelt, MD, USA.
  4. A V Andronikov: Czech Geological Survey, Prague, Czech Republic.
  5. J C Aponte: NASA Goddard Space Flight Center, Greenbelt, MD, USA.
  6. A E Bartels: NASA Goddard Space Flight Center, Greenbelt, MD, USA.
  7. E Beshore: Lunar and Planetary Laboratory, University of Arizona, Tucson, AZ, USA.
  8. E B Bierhaus: Lockheed Martin Space Systems, Littleton, CO, USA.
  9. J R Brucato: INAF Astrophysical Observatory of Arcetri, Florence, Italy.
  10. B H Bryan: Lockheed Martin Space Systems, Littleton, CO, USA.
  11. A S Burton: NASA Johnson Space Center, Houston, TX, USA.
  12. M P Callahan: Boise State University, Boise, ID, USA.
  13. S L Castro-Wallace: NASA Johnson Space Center, Houston, TX, USA.
  14. B C Clark: Space Science Institute, Boulder, CO, USA.
  15. S J Clemett: NASA Johnson Space Center, Houston, TX, USA.
  16. H C Connolly: Rowan University, Glassboro, NJ, USA.
  17. W E Cutlip: NASA Goddard Space Flight Center, Greenbelt, MD, USA.
  18. S M Daly: NASA Kennedy Space Center, Titusville, FL, USA.
  19. V E Elliott: NASA Goddard Space Flight Center, Greenbelt, MD, USA.
  20. J E Elsila: NASA Goddard Space Flight Center, Greenbelt, MD, USA.
  21. H L Enos: Lunar and Planetary Laboratory, University of Arizona, Tucson, AZ, USA.
  22. D F Everett: NASA Goddard Space Flight Center, Greenbelt, MD, USA.
  23. I A Franchi: The Open University, Milton Keynes, UK.
  24. D P Glavin: NASA Goddard Space Flight Center, Greenbelt, MD, USA.
  25. H V Graham: NASA Goddard Space Flight Center, Greenbelt, MD, USA.
  26. J E Hendershot: NASA Goddard Space Flight Center, Greenbelt, MD, USA.
  27. J W Harris: Lockheed Martin Space Systems, Littleton, CO, USA.
  28. S L Hill: Jacobs Technology, Tullahoma, TN, USA.
  29. A R Hildebrand: University of Calgary, Calgary, AB, Canada.
  30. G O Jayne: NASA Goddard Space Flight Center, Greenbelt, MD, USA.
  31. R W Jenkens: NASA Goddard Space Flight Center, Greenbelt, MD, USA.
  32. K S Johnson: Lockheed Martin Space Systems, Littleton, CO, USA.
  33. J S Kirsch: Jacobs Technology, Tullahoma, TN, USA.
  34. D S Lauretta: Lunar and Planetary Laboratory, University of Arizona, Tucson, AZ, USA.
  35. A S Lewis: NASA Goddard Space Flight Center, Greenbelt, MD, USA.
  36. J J Loiacono: NASA Goddard Space Flight Center, Greenbelt, MD, USA.
  37. C C Lorentson: NASA Goddard Space Flight Center, Greenbelt, MD, USA.
  38. J R Marshall: SETI Institute, Mountain View, CA, USA.
  39. M G Martin: NASA Goddard Space Flight Center, Greenbelt, MD, USA.
  40. L L Matthias: NASA Kennedy Space Center, Titusville, FL, USA.
  41. H L McLain: NASA Goddard Space Flight Center, Greenbelt, MD, USA.
  42. S R Messenger: NASA Johnson Space Center, Houston, TX, USA.
  43. R G Mink: NASA Goddard Space Flight Center, Greenbelt, MD, USA.
  44. J L Moore: Lockheed Martin Space Systems, Littleton, CO, USA.
  45. K Nakamura-Messenger: NASA Johnson Space Center, Houston, TX, USA.
  46. J A Nuth: NASA Goddard Space Flight Center, Greenbelt, MD, USA.
  47. C V Owens: NASA Kennedy Space Center, Titusville, FL, USA.
  48. C L Parish: Lockheed Martin Space Systems, Littleton, CO, USA.
  49. B D Perkins: NASA Kennedy Space Center, Titusville, FL, USA.
  50. M S Pryzby: NASA Goddard Space Flight Center, Greenbelt, MD, USA.
  51. C A Reigle: Lockheed Martin Space Systems, Littleton, CO, USA.
  52. K Righter: NASA Johnson Space Center, Houston, TX, USA.
  53. B Rizk: Lunar and Planetary Laboratory, University of Arizona, Tucson, AZ, USA.
  54. J F Russell: Lockheed Martin Space Systems, Littleton, CO, USA.
  55. S A Sandford: NASA Ames Research Center, Moffett Field, CA, USA.
  56. J P Schepis: NASA Goddard Space Flight Center, Greenbelt, MD, USA.
  57. J Songer: Lockheed Martin Space Systems, Littleton, CO, USA.
  58. M F Sovinski: NASA Goddard Space Flight Center, Greenbelt, MD, USA.
  59. S E Stahl: NASA Johnson Space Center, Houston, TX, USA.
  60. K Thomas-Keprta: NASA Johnson Space Center, Houston, TX, USA.
  61. J M Vellinga: Lockheed Martin Space Systems, Littleton, CO, USA.
  62. M S Walker: NASA Goddard Space Flight Center, Greenbelt, MD, USA.
PMID: 30713357 DOI: 10.1007/s11214-017-0439-4

Abstract

OSIRIS-REx will return pristine samples of carbonaceous asteroid Bennu. This article 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 <180 ng/cm 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 among scientists, engineers, managers, and technicians.

Keywords

Asteroid Bennu Contamination OSIRIS-REx Sample Return

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Grants

  1. /Goddard Space Flight Center NASA
Journal Article
Article has an altmetric score of 21

Word Cloud

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