2013 EC is a near-Earth asteroid that passed Earth just inside the orbit of the Moon, with its closest approach on March 4, 2013 at 07:35 UTC.

[3] 2013 EC was discovered by the Mount Lemmon Observatory in Arizona, United States, on March 2, 2013.

[4] Asteroid 2013 EC is estimated to be equal in size to the Chelyabinsk meteor that impacted on February 15, 2013.

[5] 2013 EC was one of four asteroids that passed in the vicinity of Earth during one week in early March 2013.

[6] The other asteroids in this group besides 2013 EC, included 2013 ET (2.5 lunar distances), 2013 EC20, and 2013 EN20.