1.

Comet 78P/Gehrels passes perihelion Comet 78P/Gehrels makes its closest approach to the Sun. Thu, 25 Jun 2026 (45 days away) in Taurus

2.

Comet 10P/Tempel passes perihelion Comet 10P/Tempel makes its closest approach to the Sun. Sun, 02 Aug 2026 (83 days away) in Capricornus

3.

Comet 10P/Tempel reaches peak brightness Comet 10P/Tempel is forecast to reach the brightest point in its 2026 apparition. Mon, 03 Aug 2026 (84 days away)

4.

Comet 10P/Tempel passes perigee Comet 10P/Tempel makes its closest approach to the Earth. Mon, 03 Aug 2026 (84 days away)

5.

Comet 69P/Taylor passes perihelion Comet 69P/Taylor makes its closest approach to the Sun. Thu, 12 Nov 2026 (185 days away) in Gemini

6.

Comet 161P/Hartley-IRAS passes perihelion Comet 161P/Hartley-IRAS makes its closest approach to the Sun. Fri, 27 Nov 2026 (200 days away) in Sagitta

7.

Comet 2P/Encke passes perigee Comet 2P/Encke makes its closest approach to the Earth. Wed, 03 Feb 2027 (268 days away) in Capricornus

8.

Comet 2P/Encke passes perihelion Comet 2P/Encke makes its closest approach to the Sun. Wed, 10 Feb 2027 (275 days away) in Capricornus

9.

Comet 45P/Honda-Mrkos-Pajdusakova reaches peak brightness Comet 45P/Honda-Mrkos-Pajdusakova is forecast to reach the brightest point in its 2027 apparition. Wed, 25 Aug 2027 (471 days away) in Cancer

10.

Comet 45P/Honda-Mrkos-Pajdusakova passes perihelion Comet 45P/Honda-Mrkos-Pajdusakova makes its closest approach to the Sun. Tue, 31 Aug 2027 (477 days away) in Cancer

11.

Comet 104P/Kowal passes perihelion Comet 104P/Kowal makes its closest approach to the Sun. Tue, 12 Oct 2027 (519 days away) in Cancer

12.

Comet 73P/Schwassmann-Wachmann passes perihelion Comet 73P/Schwassmann-Wachmann makes its closest approach to the Sun. Sun, 19 Dec 2027 (587 days away) in Sagittarius

13.

Comet 15P/Finlay passes perihelion Comet 15P/Finlay makes its closest approach to the Sun. Wed, 09 Feb 2028 (639 days away) in Aquarius

14.

Comet 41P/Tuttle-Giacobini-Kresak passes perihelion Comet 41P/Tuttle-Giacobini-Kresak makes its closest approach to the Sun. Tue, 15 Feb 2028 (645 days away)

15.

Comet 67P/Churyumov-Gerasimenko passes perihelion Comet 67P/Churyumov-Gerasimenko makes its closest approach to the Sun. Sun, 09 Apr 2028 (699 days away) in Aries

16.

Comet 96P/Machholz passes perihelion Comet 96P/Machholz makes its closest approach to the Sun. Thu, 11 May 2028 (731 days away) in Taurus

17.

Comet 22P/Kopff passes perihelion Comet 22P/Kopff makes its closest approach to the Sun. Sun, 02 Jul 2028 (783 days away) in Sagittarius

18.

Comet 22P/Kopff reaches peak brightness Comet 22P/Kopff is forecast to reach the brightest point in its 2028 apparition. Wed, 05 Jul 2028 (786 days away) in Sagittarius

19.

Comet 22P/Kopff passes perigee Comet 22P/Kopff makes its closest approach to the Earth. Fri, 07 Jul 2028 (788 days away) in Sagittarius

20.

Comet 58P/Jackson-Neujmin passes perihelion Comet 58P/Jackson-Neujmin makes its closest approach to the Sun. Mon, 04 Sep 2028 (847 days away) in Cetus