The unusual asteroid will fly past Earth this week: he has a "moon"

Most cosmic "pebbles" that pass close to the Earth, are lonely travelers to make their way around the sun and past of our planet. But asteroid 1999 KW4, which will take place next to our Earth May 25, that is, the day after tomorrow, is somewhat different. It is believed that a large main body asteroid - a half kilometer wide - large enough to circled "asteroid moon" around it less.

The unusual asteroid will fly past Earth this week: he has a

Double asteroid will pass Earth Hi

A smaller "moon" a larger pebble in itself is quite large: its diameter is more than 400 meters. If the double asteroid a threat to the Earth, we would be in serious trouble, but fortunately, it is not.

1999 KW4 should not be a problem for us here on earth, in the foreseeable future, and when it will be with us at the end of this week, it will happen on quite convenient for us a distance of 5, 3 million kilometers. It is 13 times more than is our moon.

The unusual asteroid will fly past Earth this week: he has a

Not too close, of course, but for astronomers who want to learn more about this and other asteroids in our system, it will be a great gift. Observations of these asteroids in the past have shown that it has a strange shape of the diamond, reminding us other well-known asteroids like Ryugu.

Ryugu is now exploring probe "Hayabusa".

As these space rocks acquire their shape and what processes can affect their change over time, it remains largely unknown. In the case of 1999 KW4, at origin, "moon", which revolves around the main body, is of great interest to astronomers and planetologists. What it is: a piece of a larger asteroid that broke a long time ago, an asteroid or a rogue, to draw the gravitational attraction of a larger body?

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