Asteroid That Flew Past Earth Yesterday Has Its Own Small Moon, Says NASA

The first radar images of asteroid 2004 BL86 have been released by working with NASA’s Deep Space Network antenna at Goldstone, California on Monday.

According to the NASA statement, the asteroid that flew past the Earth on January 26, which made its closest approach at a distance of about 745,000 miles, has its own small moon.

In the first radar images of asteroid called 2004 BL86, scientists show that the primary body is approximately 325 metres across and has a small moon approximately 70 metres across.

The 20 individual images used in the movie were generated from data collected at Goldstone.

As per statement, the trajectory of asteroid 2004 BL86 is well understood and Monday’s flyby was the closest approach the asteroid will make to Earth for at least the next two centuries.

It is also the closest a known asteroid this size will come to the Earth until asteroid 1999 AN10 flies past our planet in 2027.

In the near-Earth population, about 16 percent of asteroids that are about 200 metres or larger are a binary (the primary asteroid with a smaller asteroid moon orbiting it) or even triple systems (two moons).

In 2016, NASA will launch a robotic probe to one of the most potentially hazardous of the known near-Earth objects (NEOs). The OSIRIS-REx mission to asteroid (101955) Bennu will be a pathfinder for future spacecraft designed to perform reconnaissance on any newly discovered threatening objects.

Asteroid 2004 BL86 was discovered on January 30, 2004, by the Lincoln Near-Earth Asteroid Research (LINEAR) survey in White Sands, New Mexico.

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