The Earth is approaching asteroid with its own moon
This weekend there is a chance to see the unusual celestial body will suit even the Amateur telescope!
24 may 2019 18:03
Twenty years ago, American scientists have discovered a new asteroid (66391) 1999 KW4. Seeing that its elongated oval orbit intersects the earth, the scientists brought the object to the registry potentially dangerous.
This celestial body with a diameter of 1.3 km that approaches the Sun to a distance of 30 million km (mercury is closer), it is removed from it 150 million km (on Land). And hurtling it at speeds of 77 thousand kilometers per hour!
Location 1999 KW4 about our planet is constantly changing: may 25, he will be held a short distance: 5,18 million kilometers, or about 13.5 distances from the earth to the moon. That’s pretty close, but safely. Moreover, it will give the opportunity to see it even in the Amateur telescope!
At the moment, in the Solar system discovered 150 million asteroids, but (66391) 1999 KW4 is unusual in that it rotates around its own satellite like the Moon around the Earth. It is flattened at the poles and its equator encircles a kind of mountain range.
1999 KW4 is a binary asteroid will come close to the Earth on May 25. This image was derived from radar from a previous close pass https://t.co/jjhwXpq5R0 pic.twitter.com/zQ8JPg46Of
— Asteroid Initiatives (@AsteroidEnergy) May 19, 2019
In the field of view from Earth he will be until may 27. In the early days of closure to see the asteroid in the vicinity of the constellations Feed and Pump in the southern sky, and only then the object will appear in the Northern hemisphere.
The next time the asteroid will be near our planet in 2036, but then the distance is even shorter: 2 320 000 km. Find out how scientists were surprised asteroid Ultima Thule.