| | 12P/Pons-Brooks | 12P | | | | 12P | - | | | | | | | | | | | | | | | | | 12P | | | | | 12P | 4 21 | 4 | ; | | | | 12P | | 2023 | C/2023 A3 - | | 2020 2021 | 2023 C/2022 E3 ZTF | 2020 2023 C/2022 E3 | ZTF | | - | 2024 9 | 27 | 0.2 | ;10 10 | | | | | | |