C/2013 UQ4 (Catalina)

C/2013 UQ4 (Catalina)
C/2013 UQ4 in infrared by NEOWISE on 7 July 2014
Discovery
Discovered byCatalina Sky Survey
Discovery date23 October 2013
Orbital characteristics[1]
Epoch12 July 2014
Observation arc862 days
Aphelion120.06 AU
Perihelion1.081 AU
Semi-major axis60.57 AU
Eccentricity0.982
Orbital period471 years
Inclination145.26°
317.66°
Argument of
periapsis
23.31°
Last perihelion5 July 2014
Earth MOID0.106 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]

  1. ^ a b c d "Small-Body Database Lookup: C/2013 UQ4 (Catalina)". ssd.jpl.nasa.gov. Retrieved 20 April 2023.
  2. ^ Benner, Lance. "Goldstone Radar Observations Planning: Comet C/2013 UQ4 (Catalina)". echo.jpl.nasa.gov. Retrieved 20 April 2023.
  3. ^ 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.