Engineering:HAMMER (spacecraft)

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Hyper-velocity Asteroid Mitigation Mission for Emergency Response (HAMMER) is a concept study by NASA on a spacecraft (8 tonnes) capable of detonating a nuclear bomb to deflect an asteroid, if it was on a collision course to Earth. The study is a collaboration between the National Nuclear Security Administration, NASA, and two Energy Department weapons labs.[1][2][3]

Bennu

NASA is working on a modelling study that considers the asteroid 101955 Bennu, which has a diameter of 246 meters and capable of a 1.15 gigaton impact, as a modelling target for the HAMMER concept.[4][5] It is circling the Sun at 63,000 mph and 54 million miles from the Earth.[6]

The two realistic responses considered in the study are the use of a spacecraft functioning as either a kinetic impactor or a nuclear explosive carrier to deflect the approaching asteroid.[7]

See also

References

  1. ↑ Khartoum, Sarah (15 March 2018). "Nasa draws up plans for huge spacecraft to blow up doomsday asteroid". https://www.telegraph.co.uk/science/2018/03/15/nasa-draw-plans-huge-spacecraft-blow-doomsday-asteroid. Retrieved 17 March 2018. 
  2. ↑ Vergano, Dan (7 March 2018). "Government Scientists Have A Plan For Blowing Up Asteroids With A Nuke". https://www.buzzfeed.com/danvergano/nuclear-asteroid-deflection-nasa. Retrieved 17 March 2018. 
  3. ↑ Parsons, Jeff (16 March 2018). "NASA building 'HAMMER' spacecraft to save Earth from cataclysmic asteroid impact". https://www.mirror.co.uk/science/nasa-building-hammer-spacecraft-save-12176978. Retrieved 17 March 2018. 
  4. ↑ Whitwam, Ryan (9 March 2018). "NASA Designs HAMMER Spacecraft to Deflect or Nuke Dangerous Asteroids". https://www.extremetech.com/extreme/265350-nasa-designs-hammer-spacecraft-deflect-nuke-dangerous-asteroids. Retrieved 18 March 2018. 
  5. ↑ Vergano, Dan (7 March 2018). "Government Scientists Have A Plan For Blowing Up Asteroids With A Nuke". https://www.buzzfeed.com/danvergano/nuclear-asteroid-deflection-nasa. Retrieved 18 March 2018. 
  6. ↑ "NASA May Build 'HAMMER' Spacecraft To Blow Up Earth-Bound Asteroid". 16 March 2018. https://www.ndtv.com/world-news/nasa-may-build-hammer-spacecraft-to-blow-up-earth-bound-asteroid-1824614. Retrieved 18 March 2018. 
  7. ↑ Barbee, Brent W.; Syal, Megan Bruck; Dearborn, David; Gisler, Galen; Greenaugh, Kevin; Howley, Kirsten M.; Leung, Ron; Lyzhoft, Josh et al. (2018). "Options and uncertainties in planetary defense: Mission planning and vehicle design for flexible response". Acta Astronautica 143: 37–61. doi:10.1016/j.actaastro.2017.10.021. Bibcode: 2018AcAau.143...37B. 



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