• Watch asteroid 2012 DA14 flyby live

    Asteroid 2012 DA14 was discovered at the La Sagra Sky Survey, Spain on February 23, 2012, when it was about 2.7 million miles (4.3 million kilometers) away. Its flyby is the closest ever predicted Earth approach for an object this large (first estimates 45 m) which…

  • The Flyby Clock: Visualizing a century of asteroid encounters

    Due to the interest sparked by the upcoming flyby of 2012 DA14, Alex Parker of Minor Planet Center thought it would be helpful to place its flyby in a historic perspective. He put together a visualization of all the flybys of known asteroids in the 21st century in…