21.

Comet C/2019 N1 (ATLAS) passes perihelion Comet C/2019 N1 (ATLAS) makes its closest approach to the Sun. Mon, 30 Nov 2020 (1,236 days ago) in Virgo

22.

Comet C/2020 S3 (Erasmus) passes perihelion Comet C/2020 S3 (Erasmus) makes its closest approach to the Sun. Fri, 11 Dec 2020 (1,225 days ago) in Scorpius

23.

Comet 141P/Machholz passes perihelion Comet 141P/Machholz makes its closest approach to the Sun. Thu, 17 Dec 2020 (1,219 days ago) in Aquarius

24.

Comet 398P/Boattini passes perihelion Comet 398P/Boattini makes its closest approach to the Sun. Sun, 27 Dec 2020 (1,209 days ago) in Perseus

25.

Comet C/2021 A2 (NEOWISE) passes perihelion Comet C/2021 A2 (NEOWISE) makes its closest approach to the Sun. Fri, 22 Jan 2021 (1,183 days ago) in Vela

26.

Comet C/2021 D1 (SWAN) passes perihelion Comet C/2021 D1 (SWAN) makes its closest approach to the Sun. Sat, 27 Feb 2021 (1,147 days ago) in Pegasus

27.

Comet C/2020 R4 (ATLAS) passes perihelion Comet C/2020 R4 (ATLAS) makes its closest approach to the Sun. Tue, 02 Mar 2021 (1,144 days ago) in Aquarius

28.

Comet 10P/Tempel passes perihelion Comet 10P/Tempel makes its closest approach to the Sun. Tue, 23 Mar 2021 (1,123 days ago) in Aquarius

29.

Comet 15P/Finlay passes perigee Comet 15P/Finlay makes its closest approach to the Earth. Thu, 17 Jun 2021 (1,037 days ago) in Pisces

30.

Comet 15P/Finlay reaches peak brightness Comet 15P/Finlay is forecast to reach the brightest point in its 2021 apparition. Wed, 07 Jul 2021 (1,017 days ago) in Aries

31.

Comet C/2020 T2 (Palomar) passes perihelion Comet C/2020 T2 (Palomar) makes its closest approach to the Sun. Sat, 10 Jul 2021 (1,014 days ago) in Virgo

32.

Comet 15P/Finlay passes perihelion Comet 15P/Finlay makes its closest approach to the Sun. Tue, 13 Jul 2021 (1,011 days ago) in Taurus

33.

Comet 8P/Tuttle passes perihelion Comet 8P/Tuttle makes its closest approach to the Sun. Fri, 27 Aug 2021 (966 days ago) in Hydra

34.

Comet 8P/Tuttle reaches peak brightness Comet 8P/Tuttle is forecast to reach the brightest point in its 2021 apparition. Tue, 31 Aug 2021 (962 days ago) in Hydra

35.

Comet 4P/Faye passes perihelion Comet 4P/Faye makes its closest approach to the Sun. Thu, 09 Sep 2021 (953 days ago) in Taurus

36.

Comet 67P/Churyumov-Gerasimenko passes perihelion Comet 67P/Churyumov-Gerasimenko makes its closest approach to the Sun. Tue, 02 Nov 2021 (899 days ago) in Gemini

37.

Comet 67P/Churyumov-Gerasimenko reaches peak brightness Comet 67P/Churyumov-Gerasimenko is forecast to reach the brightest point in its 2021 apparition. Sun, 07 Nov 2021 (894 days ago) in Gemini

38.

Comet 67P/Churyumov-Gerasimenko passes perigee Comet 67P/Churyumov-Gerasimenko makes its closest approach to the Earth. Fri, 12 Nov 2021 (889 days ago) in Gemini

39.

Comet C/2021 A1 (Leonard) passes perigee Comet C/2021 A1 (Leonard) makes its closest approach to the Earth. Sun, 12 Dec 2021 (859 days ago) in Ophiuchus

40.

Comet C/2021 A1 (Leonard) passes perihelion Comet C/2021 A1 (Leonard) makes its closest approach to the Sun. Mon, 03 Jan 2022 (837 days ago)