1.

Comet C/2022 P1 (NEOWISE) passes perihelion Comet C/2022 P1 (NEOWISE) makes its closest approach to the Sun. Mon, 28 Nov 2022 (516 days ago) in Sagittarius

2.

Comet 81P/Wild passes perihelion Comet 81P/Wild makes its closest approach to the Sun. Thu, 15 Dec 2022 (499 days ago) in Virgo

3.

Comet C/2017 K2 (PANSTARRS) passes perihelion Comet C/2017 K2 (PANSTARRS) makes its closest approach to the Sun. Mon, 19 Dec 2022 (495 days ago) in Pavo

4.

Comet C/2022 E3 (ZTF) passes perihelion Comet C/2022 E3 (ZTF) makes its closest approach to the Sun. Thu, 12 Jan 2023 (471 days ago)

5.

Comet C/2022 U2 (ATLAS) passes perihelion Comet C/2022 U2 (ATLAS) makes its closest approach to the Sun. Sat, 14 Jan 2023 (469 days ago) in Cassiopeia

6.

Comet 71P/Clark passes perihelion Comet 71P/Clark makes its closest approach to the Sun. Mon, 23 Jan 2023 (460 days ago) in Sagittarius

7.

Comet 96P/Machholz passes perigee Comet 96P/Machholz makes its closest approach to the Earth. Tue, 31 Jan 2023 (452 days ago) in Aquarius

8.

Comet 96P/Machholz passes perihelion Comet 96P/Machholz makes its closest approach to the Sun. Tue, 31 Jan 2023 (452 days ago) in Aquarius

9.

Comet C/2022 E3 (ZTF) passes perigee Comet C/2022 E3 (ZTF) makes its closest approach to the Earth. Wed, 01 Feb 2023 (451 days ago) in Camelopardalis

10.

Comet C/2022 E3 (ZTF) reaches peak brightness Comet C/2022 E3 (ZTF) is forecast to reach the brightest point in its 2023 apparition. Wed, 01 Feb 2023 (451 days ago) in Camelopardalis

11.

Comet C/2022 A2 (PANSTARRS) passes perihelion Comet C/2022 A2 (PANSTARRS) makes its closest approach to the Sun. Sat, 18 Feb 2023 (434 days ago) in Cygnus

12.

Comet C/2020 V2 (ZTF) passes perihelion Comet C/2020 V2 (ZTF) makes its closest approach to the Sun. Mon, 08 May 2023 (355 days ago) in Aries

13.

Comet C/2023 E1 (ATLAS) passes perihelion Comet C/2023 E1 (ATLAS) makes its closest approach to the Sun. Sat, 01 Jul 2023 (301 days ago)

14.

Comet C/2023 E1 (ATLAS) reaches peak brightness Comet C/2023 E1 (ATLAS) is forecast to reach the brightest point in its 2023 apparition. Sun, 16 Jul 2023 (286 days ago) in Draco

15.

Comet C/2021 T4 (Lemmon) passes perigee Comet C/2021 T4 (Lemmon) makes its closest approach to the Earth. Thu, 20 Jul 2023 (282 days ago) in Telescopium

16.

Comet C/2021 T4 (Lemmon) reaches peak brightness Comet C/2021 T4 (Lemmon) is forecast to reach the brightest point in its 2023 apparition. Thu, 20 Jul 2023 (282 days ago) in Telescopium

17.

Comet C/2021 T4 (Lemmon) passes perihelion Comet C/2021 T4 (Lemmon) makes its closest approach to the Sun. Mon, 31 Jul 2023 (271 days ago) in Norma

18.

Comet C/2023 E1 (ATLAS) passes perigee Comet C/2023 E1 (ATLAS) makes its closest approach to the Earth. Fri, 18 Aug 2023 (253 days ago) in Cygnus

19.

Comet C/2023 P1 (Nishimura) passes perigee Comet C/2023 P1 (Nishimura) makes its closest approach to the Earth. Tue, 12 Sep 2023 (228 days ago) in Leo

20.

Comet C/2023 P1 (Nishimura) passes perihelion Comet C/2023 P1 (Nishimura) makes its closest approach to the Sun. Sun, 17 Sep 2023 (223 days ago) in Virgo