2018 in space
2018 in space | ||
|---|---|---|
| Space probe launches  |
|   .png){kind=tracking} |
| Impact events | ||
| Selected NEOs | ||
| Exoplanets | ||
| Discoveries |
| |
| Novae |
| |
| Comets | ||
| Space exploration |
| |
Small Solar System bodies
More
| 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]
