21.

Comet C/2018 N2 (ASASSN) passes perihelion Comet C/2018 N2 (ASASSN) makes its closest approach to the Sun. Mon, 11 Nov 2019 (1,629 days ago) in Andromeda

22.

Comet 2I/Borisov passes perihelion Comet 2I/Borisov makes its closest approach to the Sun. Sun, 08 Dec 2019 (1,602 days ago) in Crater

23.

Comet C/2017 T2 (PANSTARRS) passes perihelion Comet C/2017 T2 (PANSTARRS) makes its closest approach to the Sun. Tue, 05 May 2020 (1,453 days ago) in Camelopardalis

24.

Comet C/2017 T2 (PANSTARRS) reaches peak brightness Comet C/2017 T2 (PANSTARRS) is forecast to reach the brightest point in its 2020 apparition. Fri, 15 May 2020 (1,443 days ago) in Camelopardalis

25.

Comet 58P/Jackson-Neujmin passes perihelion Comet 58P/Jackson-Neujmin makes its closest approach to the Sun. Wed, 27 May 2020 (1,431 days ago) in Pisces

26.

Comet C/2019 U6 (Lemmon) passes perihelion Comet C/2019 U6 (Lemmon) makes its closest approach to the Sun. Thu, 18 Jun 2020 (1,409 days ago) in Hydra

27.

Comet C/2019 U6 (Lemmon) reaches peak brightness Comet C/2019 U6 (Lemmon) is forecast to reach the brightest point in its 2020 apparition. Mon, 22 Jun 2020 (1,405 days ago) in Hydra

28.

Comet C/2019 U6 (Lemmon) passes perigee Comet C/2019 U6 (Lemmon) makes its closest approach to the Earth. Sun, 28 Jun 2020 (1,399 days ago) in Sextans

29.

Comet 2P/Encke passes perihelion Comet 2P/Encke makes its closest approach to the Sun. Thu, 02 Jul 2020 (1,395 days ago) in Gemini

30.

Comet C/2020 F3 (NEOWISE) passes perihelion Comet C/2020 F3 (NEOWISE) makes its closest approach to the Sun. Sat, 04 Jul 2020 (1,393 days ago) in Auriga

31.

Comet C/2020 F3 (NEOWISE) passes perigee Comet C/2020 F3 (NEOWISE) makes its closest approach to the Earth. Thu, 23 Jul 2020 (1,374 days ago)

32.

Comet 2P/Encke passes perigee Comet 2P/Encke makes its closest approach to the Earth. Tue, 04 Aug 2020 (1,362 days ago) in Corvus

33.

Comet C/2020 Q1 (Borisov) passes perihelion Comet C/2020 Q1 (Borisov) makes its closest approach to the Sun. Fri, 14 Aug 2020 (1,352 days ago) in Taurus

34.

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 (1,320 days ago) in Sextans

35.

Comet 88P/Howell reaches peak brightness Comet 88P/Howell is forecast to reach the brightest point in its 2020 apparition. Thu, 17 Sep 2020 (1,318 days ago) in Scorpius

36.

Comet 88P/Howell passes perihelion Comet 88P/Howell makes its closest approach to the Sun. Fri, 25 Sep 2020 (1,310 days ago) in Scorpius

37.

Comet C/2020 P1 (NEOWISE) passes perigee Comet C/2020 P1 (NEOWISE) makes its closest approach to the Earth. Tue, 13 Oct 2020 (1,292 days ago) in Corvus

38.

Comet C/2020 P1 (NEOWISE) passes perihelion Comet C/2020 P1 (NEOWISE) makes its closest approach to the Sun. Tue, 20 Oct 2020 (1,285 days ago) in Virgo

39.

Comet C/2020 M3 (ATLAS) passes perihelion Comet C/2020 M3 (ATLAS) makes its closest approach to the Sun. Sun, 25 Oct 2020 (1,280 days ago) in Lepus

40.

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 (1,265 days ago) in Orion