1.

Comet C/2026 A1 (MAPS) passes perigee Comet C/2026 A1 (MAPS) makes its closest approach to the Earth. Mon, 06 Apr 2026 (6 days ago) in Pisces

2.

Comet C/2026 A1 (MAPS) passes perihelion Comet C/2026 A1 (MAPS) makes its closest approach to the Sun. Sat, 04 Apr 2026 (8 days ago) in Pisces

3.

Comet 88P/Howell passes perihelion Comet 88P/Howell makes its closest approach to the Sun. Wed, 18 Mar 2026 (25 days ago) in Capricornus

4.

Comet C/2024 E1 (Wierzchos) passes perigee Comet C/2024 E1 (Wierzchos) makes its closest approach to the Earth. Tue, 17 Feb 2026 (54 days ago) in Sculptor

5.

Comet C/2024 E1 (Wierzchos) reaches peak brightness Comet C/2024 E1 (Wierzchos) is forecast to reach the brightest point in its 2026 apparition. Mon, 26 Jan 2026 (76 days ago) in Grus

6.

Comet C/2024 E1 (Wierzchos) passes perihelion Comet C/2024 E1 (Wierzchos) makes its closest approach to the Sun. Tue, 20 Jan 2026 (82 days ago) in Microscopium

7.

Comet 24P/Schaumasse passes perihelion Comet 24P/Schaumasse makes its closest approach to the Sun. Thu, 08 Jan 2026 (94 days ago) in Virgo

8.

Comet C/2025 T1 (ATLAS) passes perihelion Comet C/2025 T1 (ATLAS) makes its closest approach to the Sun. Tue, 02 Dec 2025 (131 days ago) in Vulpecula

9.

Comet 210P/Christensen passes perihelion Comet 210P/Christensen makes its closest approach to the Sun. Sat, 22 Nov 2025 (141 days ago) in Libra

10.

Comet C/2025 V1 (Borisov) passes perihelion Comet C/2025 V1 (Borisov) makes its closest approach to the Sun. Sun, 16 Nov 2025 (147 days ago)

11.

Comet C/2025 A6 (Lemmon) passes perihelion Comet C/2025 A6 (Lemmon) makes its closest approach to the Sun. Sat, 08 Nov 2025 (155 days ago) in Ophiuchus

12.

Comet C/2025 A6 (Lemmon) reaches peak brightness Comet C/2025 A6 (Lemmon) is forecast to reach the brightest point in its 2025 apparition. Sat, 01 Nov 2025 (162 days ago) in Ophiuchus

13.

Comet 3I/ATLAS passes perihelion Comet 3I/ATLAS makes its closest approach to the Sun. Wed, 29 Oct 2025 (165 days ago) in Virgo

14.

Comet C/2025 A6 (Lemmon) passes perigee Comet C/2025 A6 (Lemmon) makes its closest approach to the Earth. Tue, 21 Oct 2025 (173 days ago) in Bootes

15.

Comet C/2025 R2 (SWAN) passes perigee Comet C/2025 R2 (SWAN) makes its closest approach to the Earth. Mon, 20 Oct 2025 (174 days ago) in Sagittarius

16.

Comet C/2025 R2 (SWAN) reaches peak brightness Comet C/2025 R2 (SWAN) is forecast to reach the brightest point in its 2025 apparition. Tue, 14 Oct 2025 (180 days ago) in Ophiuchus

17.

Comet C/2025 K1 (ATLAS) passes perihelion Comet C/2025 K1 (ATLAS) makes its closest approach to the Sun. Wed, 08 Oct 2025 (186 days ago) in Corvus

18.

Comet C/2025 R2 (SWAN) passes perihelion Comet C/2025 R2 (SWAN) makes its closest approach to the Sun. Fri, 12 Sep 2025 (212 days ago) in Virgo

19.

Comet 21P/Giacobini-Zinner passes perihelion Comet 21P/Giacobini-Zinner makes its closest approach to the Sun. Tue, 25 Mar 2025 (383 days ago) in Pisces

20.

Comet C/2024 G3 (ATLAS) passes perihelion Comet C/2024 G3 (ATLAS) makes its closest approach to the Sun. Mon, 13 Jan 2025 (454 days ago) in Sagittarius