2018 CL

2018 CL is a micro-asteroid and a near-Earth object of the Aten group, approximately 50 metres (160 feet) in diameter. It was the first confirmed finding, detected on 5 February 2018, announced on 8 February 2018, of the Zwicky Transient Facility project, located at Palomar Observatory, California, in the United States.[2][4]

2018 CL
Discovery [1][2]
Discovered byZwicky Transient Facility
Discovery sitePalomar Obs.
Discovery date5 February 2018
Designations
2018 CL
NEO · Aten [1][3]
Orbital characteristics [3]
Epoch 23 March 2018 (JD 2458200.5)
Uncertainty parameter 6
Observation arc2 days
Aphelion1.0606 AU
Perihelion0.6484 AU
0.8545 AU
Eccentricity0.2412
0.79 yr (289 days)
294.91°
1° 14m 52.08s / day
Inclination11.847°
136.30°
141.70°
Earth MOID0.0046 AU (1.8 LD)
Physical characteristics
Mean diameter
50 m (160 ft)[2]
25.5–15 (at closest approach)[2]
25.525[3]

    References
    1. "2018 CL". Minor Planet Center. Retrieved 15 February 2018.
    2. Ye, Quan-Zhi (February 2018). "First Discovery of a Small Near Earth Asteroid with ZTF (2018 CL)". The Astronomer's Telegram (11274). Bibcode:2018ATel11274....1Y. Retrieved 22 February 2018.
    3. "JPL Small-Body Database Browser: (2018 CL)" (2018-02-07 last obs.). Jet Propulsion Laboratory. Retrieved 15 February 2018.
    4. Kulkarni, S.R.; et al. (7 February 2018). "The Zwicky Transient Facility (ZTF) begins - ATel #11266". The Astronomer's Telegram. Retrieved 8 February 2018.


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