2018 CL - Reference.org

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Discovered by Zwicky Transient Facility

Discovery site Palomar Obs.

Discovery date 5 February 2018

MPC designation 2018 CL

Minor planet category NEO · Aten

Observation arc 2 days

Aphelion 1.0606 AU

Perihelion 0.6484 AU

Semi-major axis 0.8545 AU

Eccentricity 0.2412

Orbital period 0.79 yr (289 days)

Mean anomaly 294.91°

Mean motion 1° 14m 52.08s / day

Inclination 11.847°

Longitude of ascending node 136.30°

Argument of perihelion 141.70°

Earth MOID 0.0046 AU (1.8 LD)

Mean diameter 50 m (160 ft)

Apparent magnitude 25.5–15 (at closest approach)

Absolute magnitude (H) 25.525

Additional information

2018 CL

2018 CL is a small 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.

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External links

NASA Planetary Data System: 2018 CL
2018 CL at NeoDyS-2, Near Earth Objects—Dynamic Site
- Ephemerides · Observation prediction · Orbital info · MOID · Proper elements · Observational info · Close approaches · Physical info · Orbit animation
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 viewer · Orbit parameters · Physical parameters

References

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. Retrieved 22 February 2018. http://www.astronomerstelegram.org/?read=11274 ↩
Kulkarni, S.R.; et al. (7 February 2018). "The Zwicky Transient Facility (ZTF) begins - ATel #11266". The Astronomer's Telegram. Retrieved 8 February 2018. http://www.astronomerstelegram.org/?read=11266 ↩