Giant 1km-wide asteroid to pass by Earth, NASA says - Sky News
NASA's Asteroid Watch Twitter account posted that the asteroid is "very well known" and has been studied for decades.
The asteroid, called 7482 (1994 PC1), measures more than a kilometre in width, at 1,052m (3,451ft).Near-Earth #asteroid 1994 PC1 (~1 km wide) is very well known and has been studied for decades by our #PlanetaryDefense experts.It tweeted on 12 January that the asteroid is "very well known and has been studied for decades by our #PlanetaryDefense experts".James Webb Space Telescope: Most powerful telescope in history launches - watch stream here