2013 EC

{{Use dmy dates|date=February 2018}}

{{Infobox planet

|minorplanet = yes

|background = #FFC2E0

|name = {{mp|2013 EC}}

|symbol =

|image =

|caption =

|discovery_ref = {{cite web|title=2013 EC|url=http://www.minorplanetcenter.net/db_search/show_object?utf8=✓&object_id=2013+EC|publisher=Minor Planet Center|accessdate=15 August 2017}}

|discoverer = Mt. Lemmon Survey

|discovered = March 2, 2013

|discovery_site = Summerhaven, Arizona, USA

|mpc_name = 2013 EC

|mp_category = {{mpcat|Apollo}}
NEO

|alt_names = MPO 256829

|orbit_ref = {{cite sbdb|title=(2013 EC)|id=3629085|accessdate=15 August 2017}}

|epoch = 3 March 2013 (JD 2456354.5)

|uncertainty = 7

|observation_arc = 1 d

|aphelion = {{Convert|3.66151|AU|Gm|abbr=on|lk=on}}

|perihelion = {{Convert|0.65528|AU|Gm|abbr=on}}

|semimajor = {{Convert|2.15839|AU|Gm|abbr=on}}

|eccentricity = 0.69641

|period = 3.17 yr (1158.23 d)
3.17 yr

|avg_speed =

|inclination = 6.02802°

|asc_node = 342.373°

|mean_anomaly = 345.65°

|arg_peri = 261.34°

|satellites =

|moid = {{Convert|0.00239372|AU|km|abbr=on}}

|mercury_moid = {{Convert|0.1939|AU|km|abbr=on}}

|dimensions =

|sidereal_day =

|axial_tilt =

|pole_ecliptic_lat =

|pole_ecliptic_lon =

|albedo =

|temp_name1 =

|mean_temp_1 =

|max_temp_1 =

|temp_name2 =

|max_temp_2 =

|spectral_type =

|abs_magnitude = 27.8

|mean_motion = {{Deg2DMS|0.30991|sup=ms}} /day

|jupiter_moid = {{Convert|1.45575|AU|Gm|abbr=on}}

}}

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.[http://www.universetoday.com/100440/newly-found-asteroid-to-pass-within-moons-orbit-on-march-4-2013/ Universe Today: Newly Found Asteroid to Pass Within Moon’s Orbit on March 4, 2013] 2013 EC was discovered by the Mount Lemmon Observatory in Arizona, United States, on March 2, 2013.[http://thewatchers.adorraeli.com/2013/03/04/asteroid-2013-ec/ The Watchers: A newly found Asteroid 2013 EC will pass inside the orbit of the Moon on March 4, 2013] Asteroid 2013 EC is estimated to be equal in size to the Chelyabinsk meteor that impacted on February 15, 2013. Its measurement is about {{convert|10|to|17|m|ft|sp=us}} wide.[https://archive.today/20130420234629/http://www.ibtimes.co.uk/articles/441663/20130304/newly-discovered-asteroid-2013-ec-makes-near.htm International Business Times: Newly Discovered Asteroid 2013 EC Makes Near-Earth Flyby on March 4]

2013 EC was one of four asteroids that passed in the vicinity of Earth during one week in early March 2013.{{Cite news|url=https://www.space.com/20149-asteroids-buzz-earth-week.html|title=Four Asteroids Buzz Earth in Single Week|work=Space.com|access-date=2018-11-13}} The other asteroids in this group besides 2013 EC, included 2013 ET (2.5 lunar distances), 2013 EC20, and 2013 EN20.