1.

Comet C/2020 M3 (ATLAS) reaches peak brightness Comet C/2020 M3 (ATLAS) is forecast to reach the brightest point in its 2020 apparition. Mon, 09 Nov 2020 (1,264 days ago) in Orion

2.

Comet C/2020 M3 (ATLAS) passes perigee Comet C/2020 M3 (ATLAS) makes its closest approach to the Earth. Sat, 14 Nov 2020 (1,259 days ago) in Orion

3.

Comet C/2020 S3 (Erasmus) passes perigee Comet C/2020 S3 (Erasmus) makes its closest approach to the Earth. Tue, 17 Nov 2020 (1,256 days ago) in Corvus

4.

Comet C/2019 N1 (ATLAS) passes perihelion Comet C/2019 N1 (ATLAS) makes its closest approach to the Sun. Mon, 30 Nov 2020 (1,243 days ago) in Virgo

5.

Comet C/2020 S3 (Erasmus) passes perihelion Comet C/2020 S3 (Erasmus) makes its closest approach to the Sun. Fri, 11 Dec 2020 (1,232 days ago) in Scorpius

6.

Comet 141P/Machholz passes perihelion Comet 141P/Machholz makes its closest approach to the Sun. Thu, 17 Dec 2020 (1,226 days ago) in Aquarius

7.

Comet 398P/Boattini passes perihelion Comet 398P/Boattini makes its closest approach to the Sun. Sun, 27 Dec 2020 (1,216 days ago) in Perseus

8.

Comet C/2021 A2 (NEOWISE) passes perihelion Comet C/2021 A2 (NEOWISE) makes its closest approach to the Sun. Fri, 22 Jan 2021 (1,190 days ago) in Vela

9.

Comet C/2021 D1 (SWAN) passes perihelion Comet C/2021 D1 (SWAN) makes its closest approach to the Sun. Sat, 27 Feb 2021 (1,154 days ago) in Pegasus

10.

Comet C/2020 R4 (ATLAS) passes perihelion Comet C/2020 R4 (ATLAS) makes its closest approach to the Sun. Tue, 02 Mar 2021 (1,151 days ago) in Aquarius

11.

Comet 10P/Tempel passes perihelion Comet 10P/Tempel makes its closest approach to the Sun. Tue, 23 Mar 2021 (1,130 days ago) in Aquarius

12.

Comet 15P/Finlay passes perigee Comet 15P/Finlay makes its closest approach to the Earth. Thu, 17 Jun 2021 (1,044 days ago) in Pisces

13.

Comet 15P/Finlay reaches peak brightness Comet 15P/Finlay is forecast to reach the brightest point in its 2021 apparition. Wed, 07 Jul 2021 (1,024 days ago) in Aries

14.

Comet C/2020 T2 (Palomar) passes perihelion Comet C/2020 T2 (Palomar) makes its closest approach to the Sun. Sat, 10 Jul 2021 (1,021 days ago) in Virgo

15.

Comet 15P/Finlay passes perihelion Comet 15P/Finlay makes its closest approach to the Sun. Tue, 13 Jul 2021 (1,018 days ago) in Taurus

16.

Comet 8P/Tuttle passes perihelion Comet 8P/Tuttle makes its closest approach to the Sun. Fri, 27 Aug 2021 (973 days ago) in Hydra

17.

Comet 8P/Tuttle reaches peak brightness Comet 8P/Tuttle is forecast to reach the brightest point in its 2021 apparition. Tue, 31 Aug 2021 (969 days ago) in Hydra

18.

Comet 4P/Faye passes perihelion Comet 4P/Faye makes its closest approach to the Sun. Thu, 09 Sep 2021 (960 days ago) in Taurus

19.

Comet 67P/Churyumov-Gerasimenko passes perihelion Comet 67P/Churyumov-Gerasimenko makes its closest approach to the Sun. Tue, 02 Nov 2021 (906 days ago) in Gemini

20.

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 (901 days ago) in Gemini