1.

2I/Borisov at perihelion 2I/Borisov makes its closest approach to the Sun. Sun, 08 Dec 2019 (408 days ago) in Crater

2.

C/2018 N2 (ASASSN) at perihelion C/2018 N2 (ASASSN) makes its closest approach to the Sun. Sun, 10 Nov 2019 (436 days ago) in Andromeda

3.

C/2018 W2 (Africano) at perigee C/2018 W2 (Africano) makes its closest approach to the Earth. Fri, 27 Sep 2019 (480 days ago) in Pegasus

4.

C/2018 W2 (Africano) reaches its brightest C/2018 W2 (Africano) is well placed for observation. Thu, 26 Sep 2019 (481 days ago) in Pegasus

5.

260P/McNaught at perihelion 260P/McNaught makes its closest approach to the Sun. Wed, 11 Sep 2019 (496 days ago) in Aries

6.

C/2018 W2 (Africano) at perihelion C/2018 W2 (Africano) makes its closest approach to the Sun. Thu, 05 Sep 2019 (502 days ago) in Perseus

7.

168P/Hergenrother at perihelion 168P/Hergenrother makes its closest approach to the Sun. Tue, 06 Aug 2019 (532 days ago) in Taurus

8.

C/2018 R3 (Lemmon) at perihelion C/2018 R3 (Lemmon) makes its closest approach to the Sun. Fri, 07 Jun 2019 (592 days ago) in Camelopardalis

9.

C/2018 W1 (Catalina) at perihelion C/2018 W1 (Catalina) makes its closest approach to the Sun. Sat, 11 May 2019 (619 days ago) in Eridanus

10.

C/2018 Y1 (Iwamoto) at perigee C/2018 Y1 (Iwamoto) makes its closest approach to the Earth. Wed, 13 Feb 2019 (706 days ago) in Leo

11.

C/2018 Y1 (Iwamoto) reaches its brightest C/2018 Y1 (Iwamoto) is well placed for observation. Wed, 13 Feb 2019 (706 days ago) in Leo

12.

C/2018 Y1 (Iwamoto) at perihelion C/2018 Y1 (Iwamoto) makes its closest approach to the Sun. Thu, 07 Feb 2019 (712 days ago) in Virgo

13.

46P/Wirtanen at perigee 46P/Wirtanen makes its closest approach to the Earth. Sat, 15 Dec 2018 (766 days ago) in Taurus

14.

46P/Wirtanen reaches its brightest 46P/Wirtanen is well placed for observation. Sat, 15 Dec 2018 (766 days ago) in Taurus

15.

46P/Wirtanen at perihelion 46P/Wirtanen makes its closest approach to the Sun. Wed, 12 Dec 2018 (769 days ago) in Taurus

16.

C/2018 L2 (ATLAS) at perihelion C/2018 L2 (ATLAS) makes its closest approach to the Sun. Mon, 03 Dec 2018 (778 days ago) in Ophiuchus

17.

C/2018 V1 (Machholz-Fujikawa-Iwamoto) at perihelion C/2018 V1 (Machholz-Fujikawa-Iwamoto) makes its closest approach to the Sun. Mon, 03 Dec 2018 (778 days ago) in Ophiuchus

18.

C/2018 V1 (Machholz-Fujikawa-Iwamoto) at perigee C/2018 V1 (Machholz-Fujikawa-Iwamoto) makes its closest approach to the Earth. Tue, 27 Nov 2018 (784 days ago)

19.

38P/Stephan-Oterma at perihelion 38P/Stephan-Oterma makes its closest approach to the Sun. Sun, 11 Nov 2018 (800 days ago) in Gemini

20.

21P/Giacobini-Zinner at perihelion 21P/Giacobini-Zinner makes its closest approach to the Sun. Tue, 11 Sep 2018 (861 days ago) in Auriga