Results From Ground-based Observations of Asteroid 2012 DA14 During Its Close-Approach to the Earth on February 15th, 2013
Near-Earth asteroid 2012 DA14 (hereafter DA14) made its closest approach to the Earth on February 15th, 2013, when it passed at a distance of 27,700 km from the Earth’s surface. It was the first time an asteroid of moderate size 45 m estimated before the approach) was predicted to come that close to the Earth becoming bright enough to permit a
de Leon, J. et al.
Fecha de publicación:
10
2013