1.

Comet C/2020 V2 (ZTF) passes perihelion Comet C/2020 V2 (ZTF) makes its closest approach to the Sun. Mon, 08 May 2023 (796 days ago) in Aries

2.

Comet C/2023 E1 (ATLAS) passes perihelion Comet C/2023 E1 (ATLAS) makes its closest approach to the Sun. Sat, 01 Jul 2023 (742 days ago)

3.

Comet C/2023 E1 (ATLAS) reaches peak brightness Comet C/2023 E1 (ATLAS) is forecast to reach the brightest point in its 2023 apparition. Sat, 15 Jul 2023 (728 days ago) in Draco

4.

Comet C/2021 T4 (Lemmon) passes perigee Comet C/2021 T4 (Lemmon) makes its closest approach to the Earth. Thu, 20 Jul 2023 (723 days ago) in Telescopium

5.

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 (723 days ago) in Telescopium

6.

Comet C/2021 T4 (Lemmon) passes perihelion Comet C/2021 T4 (Lemmon) makes its closest approach to the Sun. Mon, 31 Jul 2023 (712 days ago) in Norma

7.

Comet C/2023 E1 (ATLAS) passes perigee Comet C/2023 E1 (ATLAS) makes its closest approach to the Earth. Fri, 18 Aug 2023 (694 days ago) in Cygnus

8.

Comet C/2023 P1 (Nishimura) passes perigee Comet C/2023 P1 (Nishimura) makes its closest approach to the Earth. Tue, 12 Sep 2023 (669 days ago) in Leo

9.

Comet C/2023 P1 (Nishimura) passes perihelion Comet C/2023 P1 (Nishimura) makes its closest approach to the Sun. Sun, 17 Sep 2023 (664 days ago) in Virgo

10.

Comet 2P/Encke passes perihelion Comet 2P/Encke makes its closest approach to the Sun. Sun, 22 Oct 2023 (629 days ago) in Virgo

11.

Comet C/2023 H2 (Lemmon) passes perihelion Comet C/2023 H2 (Lemmon) makes its closest approach to the Sun. Sun, 29 Oct 2023 (622 days ago)

12.

Comet C/2023 H2 (Lemmon) passes perigee Comet C/2023 H2 (Lemmon) makes its closest approach to the Earth. Fri, 10 Nov 2023 (610 days ago) in Hercules

13.

Comet C/2023 H2 (Lemmon) reaches peak brightness Comet C/2023 H2 (Lemmon) is forecast to reach the brightest point in its 2023 apparition. Fri, 10 Nov 2023 (610 days ago) in Hercules

14.

Comet 62P/Tsuchinshan passes perihelion Comet 62P/Tsuchinshan makes its closest approach to the Sun. Mon, 25 Dec 2023 (565 days ago) in Leo

15.

Comet 62P/Tsuchinshan reaches peak brightness Comet 62P/Tsuchinshan is forecast to reach the brightest point in its 2024 apparition. Mon, 01 Jan 2024 (558 days ago) in Leo

16.

Comet C/2023 S3 (Lemmon) passes perihelion Comet C/2023 S3 (Lemmon) makes its closest approach to the Sun. Fri, 19 Jan 2024 (540 days ago) in Microscopium

17.

Comet 144P/Kushida passes perihelion Comet 144P/Kushida makes its closest approach to the Sun. Thu, 25 Jan 2024 (534 days ago) in Taurus

18.

Comet C/2021 S3 (PANSTARRS) passes perihelion Comet C/2021 S3 (PANSTARRS) makes its closest approach to the Sun. Wed, 14 Feb 2024 (514 days ago) in Ophiuchus

19.

Comet 12P/Pons-Brooks reaches peak brightness Comet 12P/Pons-Brooks is forecast to reach the brightest point in its 2024 apparition. Sun, 21 Apr 2024 (447 days ago) in Taurus

20.

Comet 12P/Pons-Brooks passes perihelion Comet 12P/Pons-Brooks makes its closest approach to the Sun. Sun, 21 Apr 2024 (447 days ago) in Taurus