C/2019 Y1 (ATLAS) is a comet with a near-parabolic orbit discovered by the ATLAS survey on 16 December 2019. It passed perihelion on 15 March 2020 at 0.84 AU from the Sun. Its orbit is very similar to C/1988 A1 (Liller), C/1996 Q1 (Tabur), C/2015 F3 (SWAN) and C/2023 V5 (Leonard), suggesting they may be fragments of a larger ancient comet.
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This article is an automated import of the Wikipedia article "C/2019 Y1 (ATLAS)", available at https://en.wikipedia.org/wiki/C%2F2019_Y1_(ATLAS) . Text is licensed under CC BY-SA 4.0.