| Discovery [1] [2] | |
|---|---|
| Discovered by | Zwicky Transient Facility |
| Discovery site | Palomar Obs. |
| Discovery date | 5 February 2018 |
| Designations | |
| 2018 CL | |
| NEO · Aten [1] [3] | |
| Orbital characteristics [3] | |
| Epoch 23 March 2018 ( JD 2458200.5) | |
| Uncertainty parameter 6 | |
| Observation arc | 2 days |
| Aphelion | 1.0606 AU |
| Perihelion | 0.6484 AU |
| 0.8545 AU | |
| Eccentricity | 0.2412 |
| 0.79 yr (289 days) | |
| 294.91 ° | |
| 1° 14m 52.08s / day | |
| Inclination | 11.847° |
| 136.30° | |
| 141.70° | |
| Earth MOID | 0.0046 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]
References
- ^ a b "2018 CL". Minor Planet Center. Retrieved 15 February 2018.
- ^ 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 (11274): 1. Bibcode: 2018ATel11274....1Y. Retrieved 22 February 2018.
- ^ a b c "JPL Small-Body Database Browser: (2018 CL)" (2018-02-07 last obs.). Jet Propulsion Laboratory. Retrieved 15 February 2018.
- ^ 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
- 2018 CL at ESA– space situational awareness
- 2018 CL at the JPL Small-Body Database
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