2018 CN2

2018 CN2
The orbit before and after flyby, with positions on 1 February 2018, before flyby
Discovery[1]
Discovered byMount Lemmon Srvy.
Discovery siteMount Lemon Obs.
Discovery date8 February 2018
(first observed only)
Designations
2018 CN2
NEO · Apollo[1][2]
Earth- and Mars crosser
Orbital characteristics[2]
Epoch 23 March 2018 (JD 2458200.5)
Uncertainty parameter 7
Observation arc1 day
Aphelion1.7740 AU
Perihelion0.6335 AU
1.2037 AU
Eccentricity0.4738
1.32 yr (482 days)
348.58°
0° 44m 46.68s / day
Inclination25.741°
320.21°
276.55°
Earth MOID7.7×10−5 AU (0.03 LD)
Physical characteristics
5–16 m[3]
9 m (est. at 0.20)[4]
17 m (est. at 0.057)[4]
27.653[2]

2018 CN2 is a very small asteroid, classified as a near-Earth object of the Apollo group, approximately 5 to 16 meters in diameter. It was first observed by astronomers of the Mount Lemmon Survey at Mount Lemmon Observatory, Arizona, on 8 February 2018, one day prior its close encounter with Earth at 0.18 lunar distances.[1]

  1. ^ a b c Cite error: The named reference MPC-object was invoked but never defined (see the help page).
  2. ^ a b c Cite error: The named reference jpldata was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference MPC-Tweet was invoked but never defined (see the help page).
  4. ^ a b Cite error: The named reference h was invoked but never defined (see the help page).