21.

Comet 15P/Finlay passes perigee Comet 15P/Finlay makes its closest approach to the Earth. Thu, 17 Jun 2021 (1,049 days ago) in Pisces

22.

Comet 10P/Tempel passes perihelion Comet 10P/Tempel makes its closest approach to the Sun. Tue, 23 Mar 2021 (1,135 days ago) in Aquarius

23.

Comet C/2020 R4 (ATLAS) passes perihelion Comet C/2020 R4 (ATLAS) makes its closest approach to the Sun. Tue, 02 Mar 2021 (1,156 days ago) in Aquarius

24.

Comet C/2021 D1 (SWAN) passes perihelion Comet C/2021 D1 (SWAN) makes its closest approach to the Sun. Sat, 27 Feb 2021 (1,159 days ago) in Pegasus

25.

Comet C/2021 A2 (NEOWISE) passes perihelion Comet C/2021 A2 (NEOWISE) makes its closest approach to the Sun. Fri, 22 Jan 2021 (1,195 days ago) in Vela

26.

Comet 398P/Boattini passes perihelion Comet 398P/Boattini makes its closest approach to the Sun. Sun, 27 Dec 2020 (1,221 days ago) in Perseus

27.

Comet 141P/Machholz passes perihelion Comet 141P/Machholz makes its closest approach to the Sun. Thu, 17 Dec 2020 (1,231 days ago) in Aquarius

28.

Comet C/2020 S3 (Erasmus) passes perihelion Comet C/2020 S3 (Erasmus) makes its closest approach to the Sun. Fri, 11 Dec 2020 (1,237 days ago) in Scorpius

29.

Comet C/2019 N1 (ATLAS) passes perihelion Comet C/2019 N1 (ATLAS) makes its closest approach to the Sun. Mon, 30 Nov 2020 (1,248 days ago) in Virgo

30.

Comet C/2020 S3 (Erasmus) passes perigee Comet C/2020 S3 (Erasmus) makes its closest approach to the Earth. Tue, 17 Nov 2020 (1,261 days ago) in Corvus

31.

Comet C/2020 M3 (ATLAS) passes perigee Comet C/2020 M3 (ATLAS) makes its closest approach to the Earth. Sat, 14 Nov 2020 (1,264 days ago) in Orion

32.

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 (1,269 days ago) in Orion

33.

Comet C/2020 M3 (ATLAS) passes perihelion Comet C/2020 M3 (ATLAS) makes its closest approach to the Sun. Mon, 26 Oct 2020 (1,283 days ago) in Lepus

34.

Comet C/2020 P1 (NEOWISE) passes perihelion Comet C/2020 P1 (NEOWISE) makes its closest approach to the Sun. Tue, 20 Oct 2020 (1,289 days ago) in Virgo

35.

Comet C/2020 P1 (NEOWISE) passes perigee Comet C/2020 P1 (NEOWISE) makes its closest approach to the Earth. Tue, 13 Oct 2020 (1,296 days ago) in Corvus

36.

Comet 88P/Howell passes perihelion Comet 88P/Howell makes its closest approach to the Sun. Fri, 25 Sep 2020 (1,314 days ago) in Scorpius

37.

Comet 88P/Howell reaches peak brightness Comet 88P/Howell is forecast to reach the brightest point in its 2020 apparition. Wed, 16 Sep 2020 (1,323 days ago) in Scorpius

38.

Comet C/2020 K8 (Catalina-ATLAS) passes perihelion Comet C/2020 K8 (Catalina-ATLAS) makes its closest approach to the Sun. Tue, 15 Sep 2020 (1,324 days ago) in Sextans

39.

Comet C/2020 Q1 (Borisov) passes perihelion Comet C/2020 Q1 (Borisov) makes its closest approach to the Sun. Fri, 14 Aug 2020 (1,356 days ago) in Taurus

40.

Comet 2P/Encke passes perigee Comet 2P/Encke makes its closest approach to the Earth. Tue, 04 Aug 2020 (1,366 days ago) in Corvus