¿Cuándo impactará el asteroide Apohis?
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¿Cuándo impactará el asteroide Apophis? Este objeto batió el récord de riesgo en la temida Escala de Turín por su potencial energía catastrófica: 1.200 megatones. En 2029, Apophis realizará el acercamiento más peligroso registrado, cruzando la órbita de los satélites geoestacionarios. Su composición anómala y su órbita caótica dificultan predecir si será desviado por la gravedad terrestre. La clave reside en el minúsculo 'Ojo de Cerradura Gravitacional', el punto que podría condenarlo a un impacto seguro en el futuro. Analizamos el riesgo real de Apophis, pero te mostramos por qué el asteroide 1950 DA, de 1.3 kilómetros, es el mayor peligro conocido para la civilización.
Referencias:
Goldstone and Arecibo radar observations of (99942) Apophis in 2012–2013 https://doi.org/10.1016/j.icarus.2017.10.032
Spectral properties and composition of potentially hazardous Asteroid (99942) Apophis https://doi.org/10.1016/j.icarus.2009.03.008
The tumbling spin state of (99942) Apophis https://doi.org/10.1016/j.icarus.2014.01.026
Ephemeris and Hazard Assessment for Near-Earth Asteroid (99942) Apophis https://doi.org/10.3847/PSJ/abe4db
Changes in the rotational state of the asteroid (99942) Apophis during its 2029 close encounter with the Earth https://doi.org/10.1051/0004-6361/201832896
Yarkovsky-driven impact risk analysis for asteroid (99942) Apophis https://doi.org/10.1051/0004-6361/201322971
Predicting the Earth encounters of (99942) Apophis https://doi.org/10.1016/j.icarus.2007.11.002
Asteroid 1950 DA's Encounter with Earth in 2880: Physical Limits of Collision Probability Prediction https://doi.org/10.1126/science.1068196
Physical properties of near-Earth Asteroid (29075) 1950 DA https://doi.org/10.1016/j.icarus.2007.03.032
Sentry: Earth Impact Monitoring (Object Details and Risk Table) https://cneos.jpl.nasa.gov/sentry/ Receive SMS online on sms24.me
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