2018 CL

Summary

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]

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]

Description

References

  1. ^ a b "2018 CL". Minor Planet Center. Retrieved 15 February 2018.
  2. ^ a b c d 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. ^ a b c "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.

External links

  • NASA Planetary Data System: 2018 CL
  • 2018 CL at NeoDyS-2, Near Earth Objects—Dynamic Site
    • Ephemeris · Obs prediction · Orbital info · MOID · Proper elements · Obs info · Close · Physical info · NEOCC
  • 2018 CL at ESA–space situational awareness
    • Ephemerides · Observations · Orbit · Physical Properties · Summary
  • 2018 CL at the JPL Small-Body Database
    • Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters