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Texas A&M University

1. Ge, Shen. Design of a Surface Albedo Modification Payload for Near Earth Asteroid (NEA) Mitigation.

Degree: 2011, Texas A&M University

The development of the Surface Albedo Treatment System (SATS) onboard a spacecraft mission to the near earth asteroid (NEA) Apophis in 2012 is an innovative concept of deflecting NEAs from possible impact with the Earth through altering the Yarkovsky effect, a non-secular force in the solar system due to uneven surface thermal emission most profoundly affecting small rotating bodies subjected to sunlight. Though this force is small, its magnitude can be dramatic if extended over a period of time and if it uses the close approach of an asteroid near Earth to magnify the perturbation. The payload dispenses colored powder called albedo changing particles (ACPs) onto the surface changing its albedo and indirectly the surface temperature which changes the Yarkovsky effect. This study gives an in-depth description of both computational and experimental parts of the design of this system with primary focus on initial ground test setup. The initial experiments proposed to design the SATS is outlined in detail and justified by the mission criterion of interest as well as modeling the actual dispersal on the surface. Advisors/Committee Members: Hyland, David (advisor), Turner, James (committee member), Boyd, Jim (committee member), Ehsani, Mehrdad (committee member).

Subjects/Keywords: albedo; Apophis; armageddon; asteroids; deflection; NEOs; NEAs; space mission; tribodispenser; Yarkovsky effect; YORP

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Ge, S. (2011). Design of a Surface Albedo Modification Payload for Near Earth Asteroid (NEA) Mitigation. (Thesis). Texas A&M University. Retrieved from http://hdl.handle.net/1969.1/ETD-TAMU-2011-08-10184

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Chicago Manual of Style (16th Edition):

Ge, Shen. “Design of a Surface Albedo Modification Payload for Near Earth Asteroid (NEA) Mitigation.” 2011. Thesis, Texas A&M University. Accessed March 29, 2020. http://hdl.handle.net/1969.1/ETD-TAMU-2011-08-10184.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

MLA Handbook (7th Edition):

Ge, Shen. “Design of a Surface Albedo Modification Payload for Near Earth Asteroid (NEA) Mitigation.” 2011. Web. 29 Mar 2020.

Vancouver:

Ge S. Design of a Surface Albedo Modification Payload for Near Earth Asteroid (NEA) Mitigation. [Internet] [Thesis]. Texas A&M University; 2011. [cited 2020 Mar 29]. Available from: http://hdl.handle.net/1969.1/ETD-TAMU-2011-08-10184.

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

Council of Science Editors:

Ge S. Design of a Surface Albedo Modification Payload for Near Earth Asteroid (NEA) Mitigation. [Thesis]. Texas A&M University; 2011. Available from: http://hdl.handle.net/1969.1/ETD-TAMU-2011-08-10184

Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation

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