With an asteroid in 2016 RB1, larger than the Chelyabinsk meteorite, happily missed our planet on Wednesday evening at 20.20 Moscow time. He passed very close to Earth, at a distance of 40.5 thousand kilometers, or 0.1 of the distance to the moon).
As explained “MK” in the Institute of astronomy, asteroid discovered by American scientists from the Observatory, located in Arizona. The body diameter of 10 to 20 meters (for comparison, the Chelyabinsk meteorite was made in the diameter of 15-17 meters) marched past our planet at a speed of 8.13 km / sec., narrowly missing the man-made geostationary satellites, located at an altitude of 36 thousand kilometers. The asteroid can be observed in the southern hemisphere.
The asteroid belongs to the group of Atanov (one of the groups of asteroids approaching with the Earth). The orbits of these asteroids is not as stable as the bodies in the main belt, they are relatively quick to change under the influence of gravitational fields of Jupiter, and sometimes of the Earth itself. Atonce often fly into our orbit and can create a real threat of collision with the planet.
Interestingly, last time 2016 RB1пролетал by Land not later, in April of this year, however, the near future then its distance from the planet was not less than 50 million kilometers. The next meeting “scheduled” for 2020, when frequented by celestial body will fly from us at a distance of 7.5 million kilometers. Now troublemaker went to Venus, near which will be in October next year.
By the way, on Thursday 8 September near we flew by another asteroid, at a distance of about one million kilometers from Earth. It was RO17 2016, the maximum convergence which has occurred at 6.37 Moscow time.
The next uninvited guest astronomers waiting for September 17. Asteroid number 2016-QL44 will be held at a distance of 3.6 distances to the moon, which is almost half a million kilometers away.
Chelyabinsk meteorite. Chronicle of events