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C/2018 N2 (ASASSN) - Wikipedia

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Hyperbolic comet

C/2018 N2 (ASASSN) is the second of two comets discovered by the All Sky Automated Survey for SuperNovae after C/2017 O1. It is a hyperbolic comet that reached perihelion in November 2019, and as a result, it may never return to the inner Solar System.

Discovery and observation[edit]

The comet was first spotted as a magnitude 16.4 object by the ASAS-SN survey from images taken at the Cerro Tololo Observatory's 14-cm "Cassius" telescope between 7–11 July 2018.[3][4] It made its closest approach to Earth on 19 October 2019 at a distance of 205 million mi (330 million km) before reaching perihelion on 11 November 2019.[5][6] Although it did not go closer than 3.12 AU from the Sun at perihelion, observations of the comet did show some significant signs of activity, including a dust tail forming around July 2019.[7] It was last observed as a magnitude 20+ object on May 28, 2022.[2]


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