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While trajectory knowledge was substantially corrected by the Arecibo data, a small estimated chance of impact (less than 1 in 45,000 using standard dynamical models) remained for April 13, 2036. With Apophis probably too close to the Sun to be measured by optical telescopes until 2011, and too distant for useful radar measurement until 2013, the underlying physics of Apophis' motion were considered to better understand the hazard.
Originally posted by punkinworks09
The wierd thing is I will be 72 in 2036, and and the path that the object took is about right for the path appophis will take if it impacts.
It has ben predicted that if it impacts it will be off the west coast of the southern us or central america.
...the largest object that hit Wabar was between 8.0 and 9.5 meters in diameter, assuming that the impact velocity was seven or five kilometers per second, respectively. The aggregate mass of the original meteoroid was at least 3,500 tons. Its original kinetic energy amounted to about 100 kilotons of exploding TNT. After the air braking, the largest piece hit with an energy of between nine and 13 kilotons. Although the Hiroshima bomb released a comparable amount of energy, it destroyed a larger area, mainly because it was an airburst rather than an explosion at ground level. At the point of impact, a conelike curtain of hot fluid—a mixture of the incoming projectile and local sand— erupted into the air. This fluid became the black glass. The incandescent curtain of molten rock expanded rapidly as more and more of the meteorite made contact with the ground.