1.

Comet 62P/Tsuchinshan passes perihelion Comet 62P/Tsuchinshan makes its closest approach to the Sun. Mon, 25 Dec 2023 (14 days away) in Leo

2.

Comet 62P/Tsuchinshan reaches peak brightness Comet 62P/Tsuchinshan is forecast to reach the brightest point in its 2023 apparition. Thu, 28 Dec 2023 (17 days away) in Leo

3.

Comet C/2021 S3 (PANSTARRS) passes perihelion Comet C/2021 S3 (PANSTARRS) makes its closest approach to the Sun. Wed, 14 Feb 2024 (65 days away) in Ophiuchus

4.

Comet C/2021 S3 (PANSTARRS) reaches peak brightness Comet C/2021 S3 (PANSTARRS) is forecast to reach the brightest point in its 2024 apparition. Fri, 01 Mar 2024 (81 days away)

5.

Comet C/2021 S3 (PANSTARRS) passes perigee Comet C/2021 S3 (PANSTARRS) makes its closest approach to the Earth. Thu, 14 Mar 2024 (94 days away) in Aquila

6.

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 (132 days away) in Taurus

7.

Comet 12P/Pons-Brooks passes perihelion Comet 12P/Pons-Brooks makes its closest approach to the Sun. Sun, 21 Apr 2024 (132 days away) in Taurus

8.

Comet 46P/Wirtanen passes perihelion Comet 46P/Wirtanen makes its closest approach to the Sun. Sun, 19 May 2024 (160 days away) in Taurus

9.

Comet 154P/Brewington passes perihelion Comet 154P/Brewington makes its closest approach to the Sun. Tue, 11 Jun 2024 (183 days away) in Aries

10.

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 (291 days away) in Sextans

11.

Comet C/2023 A3 (Tsuchinshan-ATLAS) passes perigee Comet C/2023 A3 (Tsuchinshan-ATLAS) makes its closest approach to the Earth. Sat, 12 Oct 2024 (306 days away) in Virgo

12.

Comet 21P/Giacobini-Zinner passes perihelion Comet 21P/Giacobini-Zinner makes its closest approach to the Sun. Tue, 25 Mar 2025 (470 days away) in Pisces

13.

Comet 210P/Christensen passes perihelion Comet 210P/Christensen makes its closest approach to the Sun. Sat, 22 Nov 2025 (712 days away) in Libra

14.

Comet 240P/NEAT passes perihelion Comet 240P/NEAT makes its closest approach to the Sun. Fri, 19 Dec 2025 (739 days away) in Aries

15.

Comet 24P/Schaumasse passes perigee Comet 24P/Schaumasse makes its closest approach to the Earth. Sun, 04 Jan 2026 (755 days away) in Virgo

16.

Comet 24P/Schaumasse reaches peak brightness Comet 24P/Schaumasse is forecast to reach the brightest point in its 2026 apparition. Wed, 07 Jan 2026 (758 days away) in Virgo

17.

Comet 24P/Schaumasse passes perihelion Comet 24P/Schaumasse makes its closest approach to the Sun. Thu, 08 Jan 2026 (759 days away) in Virgo

18.

Comet 88P/Howell passes perihelion Comet 88P/Howell makes its closest approach to the Sun. Wed, 18 Mar 2026 (828 days away) in Capricornus

19.

Comet 141P/Machholz passes perihelion Comet 141P/Machholz makes its closest approach to the Sun. Wed, 22 Apr 2026 (863 days away) in Aries

20.

Comet 78P/Gehrels passes perihelion Comet 78P/Gehrels makes its closest approach to the Sun. Wed, 24 Jun 2026 (926 days away) in Taurus