"This facility, approximately one meter in diameter, at the moment was the closest to our catalog near-Earth celestial bodies", — the report says.
Celestial body flew at about 0.85 Earth radius above the Pacific Ocean, and the attraction of the planet its curved path at an angle of 60 degrees. As a result, the family moved from the asteroid Apollo (to it belong to an object whose orbit lies mostly outside the Earth) in the family of the Aten (asteroids whose orbits are inside the Earth's orbit).
According to NASA, the asteroid was about the size of a meter. Astronomers say that the objects of this size is very difficult to detect. On average, every few weeks, one such asteroid invades the Earth's atmosphere and burn it completely, forming a fireball.