Astronomy:2018 CL

From HandWiki
2018 CL
Discovery[1][2]
Discovered byZwicky Transient Facility
Discovery sitePalomar Obs.
Discovery date5 February 2018
Designations
2018 CL
Minor planet categoryNEO · Aten[1][3]
Orbital characteristics[3]
Epoch 23 March 2018 (JD 2458200.5)
Uncertainty parameter 6
Observation arc2 days
|{{{apsis}}}|helion}}1.0606 AU
|{{{apsis}}}|helion}}0.6484 AU
0.8545 AU
Eccentricity0.2412
Orbital period0.79 yr (289 days)
Mean anomaly294.91°
Mean motion1° 14m 52.08s / day
Inclination11.847°
Longitude of ascending node136.30°
141.70°
Earth MOID0.0046 AU (1.8 LD)
Physical characteristics
Mean diameter50 m (160 ft)[2]
Apparent magnitude25.5–15 (at closest approach)[2]
Absolute magnitude (H)25.525[3]


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]

References

  1. ↑ 1.0 1.1 "2018 CL". Minor Planet Center. https://www.minorplanetcenter.net/db_search/show_object?object_id=2018+CL. Retrieved 15 February 2018. 
  2. ↑ 2.0 2.1 2.2 2.3 Ye, Quan-Zhi (February 2018). "First Discovery of a Small Near Earth Asteroid with ZTF (2018 CL)". The Astronomer's Telegram 11274 (11274): 1. Bibcode: 2018ATel11274....1Y. http://www.astronomerstelegram.org/?read=11274. Retrieved 22 February 2018. 
  3. ↑ 3.0 3.1 3.2 "JPL Small-Body Database Browser: (2018 CL)". Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=3799001;cad=1. Retrieved 15 February 2018. 
  4. ↑ Kulkarni, S.R. (7 February 2018). "The Zwicky Transient Facility (ZTF) begins - ATel #11266". The Astronomer's Telegram. http://www.astronomerstelegram.org/?read=11266. Retrieved 8 February 2018. 

External links




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