&sq=Qlik&lang=&file=File:PIA18653_-_NEOWISE_Spies_Activity_on_Comet_Catalina.jpg) C/2013 UQ4 in infrared by NEOWISE on 7 July 2014 | |
| Discovery | |
|---|---|
| Discovered by | Catalina Sky Survey |
| Discovery date | 23 October 2013 |
| Orbital characteristics[1] | |
| Epoch | 12 July 2014 |
| Observation arc | 862 days |
| Aphelion | 120.06 AU |
| Perihelion | 1.081 AU |
| Semi-major axis | 60.57 AU |
| Eccentricity | 0.982 |
| Orbital period | 471 years |
| Inclination | 145.26° |
| 317.66° | |
| Argument of periapsis | 23.31° |
| Last perihelion | 5 July 2014 |
| Earth MOID | 0.106 AU [1] |
| Physical characteristics | |
Mean diameter | 23.5 km [2] |
| Comet total magnitude (M1) | 13.8 [1] |
| Comet nuclear magnitude (M2) | 17.5 [1] |
C/2013 UQ4 (Catalina) is a Solar System comet that came close to the Earth on July 10, 2014, at a distance of 0.314 AU (47,000,000 km; 29,200,000 mi).[3]
- ^ a b c d "Small-Body Database Lookup: C/2013 UQ4 (Catalina)". ssd.jpl.nasa.gov. Retrieved 20 April 2023.
- ^ Benner, Lance. "Goldstone Radar Observations Planning: Comet C/2013 UQ4 (Catalina)". echo.jpl.nasa.gov. Retrieved 20 April 2023.
- ^ Comet C/2013 UQ4 Catalina at minimum distance from the Earth: an image (10 July 2014), Gianluca Masi, The Virtual Telescope Project, 10 July 2014.