1.

C/2017 T2 (PANSTARRS) at perihelion C/2017 T2 (PANSTARRS) makes its closest approach to the Sun. Mon, 04 May 2020 (572 days ago) in Camelopardalis

2.

C/2017 T2 (PANSTARRS) reaches its brightest C/2017 T2 (PANSTARRS) is well placed for observation. Fri, 15 May 2020 (561 days ago) in Camelopardalis

3.

58P/Jackson-Neujmin at perihelion 58P/Jackson-Neujmin makes its closest approach to the Sun. Thu, 28 May 2020 (548 days ago) in Pisces

4.

C/2019 U6 (Lemmon) at perihelion C/2019 U6 (Lemmon) makes its closest approach to the Sun. Thu, 18 Jun 2020 (527 days ago) in Hydra

5.

C/2019 U6 (Lemmon) reaches its brightest C/2019 U6 (Lemmon) is well placed for observation. Mon, 22 Jun 2020 (523 days ago) in Hydra

6.

2P/Encke at perihelion 2P/Encke makes its closest approach to the Sun. Thu, 25 Jun 2020 (520 days ago) in Gemini

7.

C/2019 U6 (Lemmon) at perigee C/2019 U6 (Lemmon) makes its closest approach to the Earth. Sun, 28 Jun 2020 (517 days ago) in Sextans

8.

C/2020 F3 (NEOWISE) at perihelion C/2020 F3 (NEOWISE) makes its closest approach to the Sun. Fri, 03 Jul 2020 (512 days ago) in Auriga

9.

C/2020 F3 (NEOWISE) at perigee C/2020 F3 (NEOWISE) makes its closest approach to the Earth. Thu, 23 Jul 2020 (492 days ago)

10.

2P/Encke at perigee 2P/Encke makes its closest approach to the Earth. Thu, 30 Jul 2020 (485 days ago) in Crater

11.

C/2020 Q1 (Borisov) at perihelion C/2020 Q1 (Borisov) makes its closest approach to the Sun. Thu, 13 Aug 2020 (471 days ago) in Taurus

12.

C/2020 K8 (Catalina-ATLAS) at perihelion C/2020 K8 (Catalina-ATLAS) makes its closest approach to the Sun. Mon, 14 Sep 2020 (439 days ago) in Sextans

13.

88P/Howell reaches its brightest 88P/Howell is well placed for observation. Wed, 16 Sep 2020 (437 days ago) in Scorpius

14.

88P/Howell at perihelion 88P/Howell makes its closest approach to the Sun. Sat, 26 Sep 2020 (427 days ago) in Scorpius

15.

C/2020 P1 (NEOWISE) at perigee C/2020 P1 (NEOWISE) makes its closest approach to the Earth. Mon, 12 Oct 2020 (411 days ago) in Corvus

16.

C/2020 P1 (NEOWISE) at perihelion C/2020 P1 (NEOWISE) makes its closest approach to the Sun. Tue, 20 Oct 2020 (403 days ago) in Virgo

17.

C/2020 M3 (ATLAS) at perihelion C/2020 M3 (ATLAS) makes its closest approach to the Sun. Mon, 26 Oct 2020 (397 days ago) in Lepus

18.

C/2020 M3 (ATLAS) reaches its brightest C/2020 M3 (ATLAS) is well placed for observation. Mon, 09 Nov 2020 (383 days ago) in Orion

19.

C/2020 M3 (ATLAS) at perigee C/2020 M3 (ATLAS) makes its closest approach to the Earth. Sat, 14 Nov 2020 (378 days ago) in Orion

20.

C/2020 S3 (Erasmus) at perigee C/2020 S3 (Erasmus) makes its closest approach to the Earth. Wed, 18 Nov 2020 (374 days ago) in Corvus