![]() The orbit before and after its 2018-flyby | |
Discovery[1] | |
---|---|
Discovered by | MLS |
Discovery site | Mount Lemmon Obs. |
Discovery date | 7 February 2018 |
Designations | |
2018 CF2 | |
NEO · Apollo[1][2] | |
Orbital characteristics[2] | |
Epoch 23 March 2018 (JD 2458200.5) | |
Uncertainty parameter 7 | |
Observation arc | 2 days |
Aphelion | 2.7662 AU |
Perihelion | 0.9089 AU |
1.8375 AU | |
Eccentricity | 0.5054 |
2.49 yr (910 days) | |
29.432° | |
0° 23m 44.52s / day | |
Inclination | 16.284° |
137.68° | |
320.19° | |
Earth MOID | 0.00077 AU (0.30 LD) |
Physical characteristics | |
4–15 m[3] 7 m (est. at 0.20)[4] 14 m (est. at 0.057)[4] | |
28.036[2] | |
2018 CF2 is a micro-asteroid and near-Earth object of the Apollo group on an eccentric orbit with has an estimated 4–15 meters (10–50 ft). It was first observed on 7 February 2018, by astronomers of the Mount Lemmon Survey at Mount Lemmon Observatory, Arizona, United States.[1] The discovery occurred the day after its sub-lunar passage as it approached the Earth from a sunward direction, and this flyby altered the asteroid's orbit slightly.
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