1.

Comet C/2023 A3 (Tsuchinshan-ATLAS) passes perihelion Comet C/2023 A3 (Tsuchinshan-ATLAS) makes its closest approach to the Sun. Fri, 27 Sep 2024 (265 days ago) in Sextans

2.

Comet 13P/Olbers reaches peak brightness Comet 13P/Olbers is forecast to reach the brightest point in its 2024 apparition. Tue, 02 Jul 2024 (352 days ago) in Lynx

3.

Comet 13P/Olbers passes perihelion Comet 13P/Olbers makes its closest approach to the Sun. Sun, 30 Jun 2024 (354 days ago) in Lynx

4.

Comet 154P/Brewington passes perihelion Comet 154P/Brewington makes its closest approach to the Sun. Thu, 13 Jun 2024 (371 days ago) in Aries

5.

Comet C/2023 V4 (Camarasa-Duszanowicz) passes perihelion Comet C/2023 V4 (Camarasa-Duszanowicz) makes its closest approach to the Sun. Thu, 30 May 2024 (385 days ago) in Auriga

6.

Comet 46P/Wirtanen passes perihelion Comet 46P/Wirtanen makes its closest approach to the Sun. Sun, 19 May 2024 (396 days ago) in Taurus

7.

Comet 12P/Pons-Brooks passes perihelion Comet 12P/Pons-Brooks makes its closest approach to the Sun. Sun, 21 Apr 2024 (424 days ago) in Taurus

8.

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 (424 days ago) in Taurus

9.

Comet C/2021 S3 (PANSTARRS) passes perihelion Comet C/2021 S3 (PANSTARRS) makes its closest approach to the Sun. Wed, 14 Feb 2024 (491 days ago) in Ophiuchus

10.

Comet 144P/Kushida passes perihelion Comet 144P/Kushida makes its closest approach to the Sun. Thu, 25 Jan 2024 (511 days ago) in Taurus

11.

Comet C/2023 S3 (Lemmon) passes perihelion Comet C/2023 S3 (Lemmon) makes its closest approach to the Sun. Fri, 19 Jan 2024 (517 days ago) in Microscopium

12.

Comet 62P/Tsuchinshan reaches peak brightness Comet 62P/Tsuchinshan is forecast to reach the brightest point in its 2024 apparition. Mon, 01 Jan 2024 (535 days ago) in Leo

13.

Comet 62P/Tsuchinshan passes perihelion Comet 62P/Tsuchinshan makes its closest approach to the Sun. Mon, 25 Dec 2023 (542 days ago) in Leo

14.

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 (587 days ago) in Hercules

15.

Comet C/2023 H2 (Lemmon) passes perigee Comet C/2023 H2 (Lemmon) makes its closest approach to the Earth. Fri, 10 Nov 2023 (587 days ago) in Hercules

16.

Comet C/2023 H2 (Lemmon) passes perihelion Comet C/2023 H2 (Lemmon) makes its closest approach to the Sun. Sun, 29 Oct 2023 (599 days ago)

17.

Comet 2P/Encke passes perihelion Comet 2P/Encke makes its closest approach to the Sun. Sun, 22 Oct 2023 (606 days ago) in Virgo

18.

Comet C/2023 P1 (Nishimura) passes perihelion Comet C/2023 P1 (Nishimura) makes its closest approach to the Sun. Sun, 17 Sep 2023 (641 days ago) in Virgo

19.

Comet C/2023 P1 (Nishimura) passes perigee Comet C/2023 P1 (Nishimura) makes its closest approach to the Earth. Tue, 12 Sep 2023 (646 days ago) in Leo

20.

Comet C/2023 E1 (ATLAS) passes perigee Comet C/2023 E1 (ATLAS) makes its closest approach to the Earth. Fri, 18 Aug 2023 (671 days ago) in Cygnus