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Design of Yarkovsky Effect Payload for Near Earth Asteroid Mitigation. Edition No. 1

  • ID: 1918321
  • January 2012
  • 116 Pages
  • VDM Publishing House
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Near Earth Asteroids (NEAs) pose as great of a threat as ever. This thesis looks into one innovative way of mitigating such threats through painting the surface of an asteroid such as Apophis using triboelectric dispensers, i.e. a space powder tube. Through the change of surface reflectivity from painting the surface white or black, the thermal distribution on the surface is thus changed which incurs a change in photon momentum radiation. This effectively creates a force which pushes the asteroid in a direction that alters its orbit to miss an Earth collision trajectory, i.e. altering the Yarkovsky effect. This thesis looks into the experiments and simulations necessary for constructing such a payload. The first mission implementing this design will be launched by 2020 to the NEA Apophis as the first test of this payload while a flight test in low earth orbit (LEO) will be conducted before then to confirm the operational status of the payload.

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Hellen Roselyne L. Shigali (PhD), is a Senior Lecturer at Moi University, Eldoret, Kenya. She holds a PhD from Kenyatta University, Nairobi, Kenya. She has been involved in research in gender studies since 1995.

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