C/2019 E3 (ATLAS)

C/2019 E3 (ATLAS) is a hyperbolic comet discovered on March 5, 2019 by ATLAS (Asteroid Terrestrial-impact Last Alert System).[1] It has a barycentric semimajor axis of 32600 AU and will reach its perihelion of 10.30 AU on November 11, 2023.[2] C/2019 E3 (ATLAS) is the third comet discovered with a perihelion beyond 10 AU, the other two being 167P/CINEOS and C/2003 A2 (Gleason).[3]


  1. ^ "MPEC 2019-F54 : COMET C/2019 E3 (ATLAS)". IAU Minor Planet Center. Retrieved 31 May 2019.
  2. ^ "C/2019 E3 (ATLAS)". JPL Small-Body Database Browser. Retrieved 11 January 2020.
  3. ^ Fernandez, Yan. "List of Jupiter-Family and Halley-Family Comets". Retrieved 1 June 2019.