Asteroide 19 aprile 2017

Asteroid to Fly Safely Past Earth on April 19

asteroide 19 aprile 2017

Computer image of GM trajectory relative to the Earth, on April 4th, The small ( m diameter) asteroid came below the altitude of.

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An asteroid as big as the Rock of Gibraltar will streak past Earth on April 19 at a safe but uncomfortably close distance, according to astronomers. Dubbed JO25 and roughly metres 2, feet across, the asteroid will come within 1. It will pass closest to our planet after having looped around the Sun. Smaller asteroids whizz by Earth several times a week. But the last time one at least this size came as close was in , when Toutatis—five kilometres 3.

Potentially Hazardous Asteroids PHA are interesting objects, as they are the one that may or did trigger huge meteors and meteorite falls the last big one occured on February 18, , over the Tcheliabinsk region when they come to have an impacting trajectory. But most of them just pass, wave the earth, and go back into other Solar system regions…. This was the case with a small 3 to 6 m diameter one, GM, which was discovered a few hours before it came as close as 10 km from our planet, on April 4th, 10h31min UT! It was then below the altitude of geostationary satellites, but still far enough not to enter our atmosphere. Had it done so, it would have been the source of a very bright meteor but a smaller event than Tcheliabinsk one potentially leading to meteorite recovery may it have fallen on the ground, and not it the water. Discovered on May by the Catalina Sky Survey, this 0. So this time, do not use your naked eye to catch small interplanetary objects, but use a small reflector or refractor, an accurate ephemeris of JO25 , and look at this small bright point rushing through the still stellar sky!

Watch asteroid JO25 brush by Earth on 19 April Europe and North America, obtain a copy of the April edition of Astronomy Now.
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It came into view of small telescopes a few hours ago. Image via Planetary Radar Science Group. Enjoy science and the beauty of the cosmos? Please donate to help EarthSky keep going. Want PayPal or to send a check to EarthSky? Click here. The asteroid is safely passing us today at some 1,, miles 1,, km from our planet or about 4.



Potentially Hazardous Asteroid 2014 JO25 close encounter: online event (19 Apr. 2017)

Passaggio ravvicinato dell''asteroide 3122 Florence dall'osservatorio Astronomico Adriano Lolli

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