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The National Administration of Aeronautics and Space (NASA) confirmed the existence of an asteroid consisting of two celestial bodies of 900 meters each. yes
The strange asteroid, called 2017 YE5 was discovered last December from observations made in Morocco. After months of analysis, California astronomers confirmed that the asteroid is, in reality, a pair of objects after scanning them with a bistatic radar, which works with a transmitter and a receiver located at different points. [19659003] The new analyzes allow us to describe that the two objects turn around each other, once every 20 or 24 hours which has been confirmed by observations of visible light changes in brightness.
the objects could have a different density and composition near their surfaces, as well as a different surface roughness, according to what was published by RT.
According to scientists, the discovery of the binary nature of 2017 YE5 provides a great opportunity to understand more precisely the different types of existing binary asteroids and to study the formation mechanisms of this type of double asteroids almost identical mass.