Comets: Non-periodic

These are all the comets that have orbital periods greater than 200 years in length. This include long-period, near-parabolic, and hyperbolic (Oort cloud) comets

C/1680 V1 (Newton's Comet)

C/1980 E1 (Bowell)

C/1995 O1 (Hale–Bopp)

C/1996 B2 (Hyakutake)

C/2012 S1 (ISON)

C/2013 A1 (Siding Spring)

C/2014 UN271 (Bernardinelli–Bernstein)

C/2017 K2 (PANSTARRS)

C/2020 F3 (NEOWISE)

C/2021 A1 (Leonard)

C/2022 E3 (ZTF)

C/2023 A3 (Tsuchinshan–ATLAS)

C/2023 P1 (Nishimura)

C/2024 G3 (ATLAS)

C/2024 L5 (ATLAS)

C/2024 S1 (ATLAS)