Home / ARGENTINA / An asteroid with its own "moon" will come closest to Earth this week

An asteroid with its own "moon" will come closest to Earth this week



The asteroid, 1.5 kilometers wide, will reach the shortest distance to our planet since it was discovered 20 years ago.


An asteroid with & # 39; Moon & # 39; own potential dangerous will reach the closest point to our planet this Saturday for the first time since it was discovered in 1999, informs the Cnet portal.

It is a binary system that consists of two asteroids, the largest 1.5 km wide, orbiting the earth by a satellite 0.5 km wide – and known to science as (66391) 1999 KW4.

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So by the time it reaches its closest point to Earth, the celestial body will move to 13.5 lunar distances from our planet, that is, to 5,182,015 kilometers, with a speed of 77,446 kilometers per hour. It also reaches its maximum brightness level, estimated at magnitude 12.5.

When that happens, the object is observed by dozens of telescopes that collaborate with the international network of Asteroid warning (IAWN, for its abbreviation in English), using the most diverse techniques of observation and wavelengths, details the European Space Agency (ESA).

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In this way the astronomers they will have the opportunity to test the capacity of their respective observatories to collect a large amount of information about potential celestial bodies that may be approaching unexpectedly at distances in the future dangerous for the earth. according to reports actualidad.rt.

asteroid
asteroid

Meanwhile, ESA has published an animation of (66391) 1999 KW4 based on images of the asteroid that was obtained on May 9 by an observatory on the island of Reunion in the Indian Ocean.


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