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(99942) Apofis (conocido anteriormente por su designación provisional 2004 MN4) es un asteroide Atón, con una órbita próxima a la de la Tierra ( objeto próximo a la Tierra ). En diciembre de 2004, algunas observaciones indicaban una probabilidad relativamente alta de colisión con la Tierra (del 2,70 %) en el año 2029.
99942 Apophis (provisional designation 2004 MN 4) is a near-Earth asteroid and a potentially hazardous object with a diameter of 370 metres (1,210 feet) that caused a brief period of concern in December 2004 when initial observations indicated a probability up to 2.7% that it would hit Earth on April 13, 2029.
99942 Apophis (2004 MN4) Predicting Apophis' Earth Encounters in 2029 and 2036. UPDATE! (April 2013) See notes below for preliminary 2012-2013 radar results and news. Summary.
23 de dic. de 2004 · Near-Earth Asteroid 2004 MN4 Reaches Highest Score To Date On Hazard Scale. Dec 23, 2004 • Don Yeomans, Steve Chesley and Paul Chodas • Center for NEO Studies. A recently rediscovered 400-meter Near-Earth Asteroid (NEA) is predicted to pass near the Earth on 13 April 2029.
13 de abr. de 2023 · La NASA recordó a través de una entrada de blog que un día como hoy, 13 de abril, pero de 2029 el asteroide 2004 MN4, mejor conocido como Apofis, pasará “muy cerca” de la Tierra. “El encuentro...
99942 Apophis (2004 MN4) is one of the most important near-Earth asteroids ever discovered. It will make a very close Earth approach on Friday, April 13, 2029 when it will pass within 0.1 lunar distances, which is only a few Earth radii above Earth's surface.
10 de feb. de 2005 · Based on available information about its orbit, astronomers gave odds of 1 in 37 that 2004 MN4 would strike Earth April 13, 2029. But astronomers found images of the asteroid taken before its...
