2018 CY2

2018 CY2
The orbit of 2018 CY2 before and after flyby on 14 February 2018
Discovery [1][2]
Discovered byCSS
Discovery siteMount Lemmon Obs.
Discovery date9 February 2018
(first observed only)
Designations
2018 CY2
NEO · Apollo[3][1]
Orbital characteristics[3]
Epoch 23 March 2018 (JD 2458200.5)
Uncertainty parameter 7
Observation arc5 days
Aphelion1.3360 AU
Perihelion0.9211 AU
1.1285 AU
Eccentricity0.1838
1.20 yr (438 days)
338.04°
0° 49m 19.56s / day
Inclination26.503°
144.03°
73.482°
Earth MOID0.0451 AU · 17.6 LD
Physical characteristics
59–190 m[4]
100 m (est. at 0.20)[5]
190 m (est. at 0.057)[5]
22.33[3]

2018 CY2 is an asteroid, classified as a near-Earth object of the Apollo group, with an estimated diameter of 59–190 metres (190–620 ft). It was first observed on 9 February 2018, by astronomers of the Catalina Sky Survey at Mount Lemmon Observatory, Arizona, during its close approach to Earth.[1][2]

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  2. ^ a b Cite error: The named reference MPEC was invoked but never defined (see the help page).
  3. ^ a b c Cite error: The named reference jpldata was invoked but never defined (see the help page).
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  5. ^ a b Cite error: The named reference h was invoked but never defined (see the help page).