1.

Comet 10P/Tempel passes perigee Comet 10P/Tempel makes its closest approach to the Earth. Mon, 03 Aug 2026 (11 days ago)

2.

Comet 10P/Tempel reaches peak brightness Comet 10P/Tempel is forecast to reach the brightest point in its 2026 apparition. Mon, 03 Aug 2026 (11 days ago)

3.

Comet 10P/Tempel passes perihelion Comet 10P/Tempel makes its closest approach to the Sun. Sun, 02 Aug 2026 (12 days ago) in Capricornus

4.

Comet 78P/Gehrels passes perihelion Comet 78P/Gehrels makes its closest approach to the Sun. Thu, 25 Jun 2026 (50 days ago) in Taurus

5.

Comet C/2025 R3 (PANSTARRS) passes perigee Comet C/2025 R3 (PANSTARRS) makes its closest approach to the Earth. Sun, 26 Apr 2026 (110 days ago) in Cetus

6.

Comet 141P/Machholz passes perihelion Comet 141P/Machholz makes its closest approach to the Sun. Thu, 23 Apr 2026 (113 days ago) in Aries

7.

Comet C/2025 R3 (PANSTARRS) passes perihelion Comet C/2025 R3 (PANSTARRS) makes its closest approach to the Sun. Sun, 19 Apr 2026 (117 days ago) in Pisces

8.

Comet C/2026 A1 (MAPS) passes perigee Comet C/2026 A1 (MAPS) makes its closest approach to the Earth. Mon, 06 Apr 2026 (130 days ago) in Pisces

9.

Comet C/2026 A1 (MAPS) passes perihelion Comet C/2026 A1 (MAPS) makes its closest approach to the Sun. Sat, 04 Apr 2026 (132 days ago) in Pisces

10.

Comet 88P/Howell passes perihelion Comet 88P/Howell makes its closest approach to the Sun. Wed, 18 Mar 2026 (149 days ago) in Capricornus

11.

Comet C/2024 E1 (Wierzchos) passes perigee Comet C/2024 E1 (Wierzchos) makes its closest approach to the Earth. Tue, 17 Feb 2026 (178 days ago) in Sculptor

12.

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 (200 days ago) in Grus

13.

Comet C/2024 E1 (Wierzchos) passes perihelion Comet C/2024 E1 (Wierzchos) makes its closest approach to the Sun. Tue, 20 Jan 2026 (206 days ago) in Microscopium

14.

Comet 24P/Schaumasse passes perihelion Comet 24P/Schaumasse makes its closest approach to the Sun. Thu, 08 Jan 2026 (218 days ago) in Virgo

15.

Comet C/2025 T1 (ATLAS) passes perihelion Comet C/2025 T1 (ATLAS) makes its closest approach to the Sun. Tue, 02 Dec 2025 (255 days ago) in Vulpecula

16.

Comet 210P/Christensen passes perihelion Comet 210P/Christensen makes its closest approach to the Sun. Sat, 22 Nov 2025 (265 days ago) in Libra

17.

Comet C/2025 V1 (Borisov) passes perihelion Comet C/2025 V1 (Borisov) makes its closest approach to the Sun. Sun, 16 Nov 2025 (271 days ago)

18.

Comet C/2025 A6 (Lemmon) passes perihelion Comet C/2025 A6 (Lemmon) makes its closest approach to the Sun. Sat, 08 Nov 2025 (279 days ago) in Ophiuchus

19.

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 (286 days ago) in Ophiuchus

20.

Comet 3I/ATLAS passes perihelion Comet 3I/ATLAS makes its closest approach to the Sun. Wed, 29 Oct 2025 (289 days ago) in Virgo