1.

Comet 4P/Faye passes perihelion Comet 4P/Faye makes its closest approach to the Sun. Thu, 09 Sep 2021 (967 days ago) in Taurus

2.

Comet 8P/Tuttle reaches peak brightness Comet 8P/Tuttle is forecast to reach the brightest point in its 2021 apparition. Tue, 31 Aug 2021 (976 days ago) in Hydra

3.

Comet 8P/Tuttle passes perihelion Comet 8P/Tuttle makes its closest approach to the Sun. Sat, 28 Aug 2021 (979 days ago) in Hydra

4.

Comet 15P/Finlay passes perihelion Comet 15P/Finlay makes its closest approach to the Sun. Tue, 13 Jul 2021 (1,025 days ago) in Taurus

5.

Comet C/2020 T2 (Palomar) passes perihelion Comet C/2020 T2 (Palomar) makes its closest approach to the Sun. Sat, 10 Jul 2021 (1,028 days ago) in Virgo

6.

Comet 15P/Finlay reaches peak brightness Comet 15P/Finlay is forecast to reach the brightest point in its 2021 apparition. Tue, 06 Jul 2021 (1,032 days ago) in Aries

7.

Comet 15P/Finlay passes perigee Comet 15P/Finlay makes its closest approach to the Earth. Thu, 17 Jun 2021 (1,051 days ago) in Pisces

8.

Comet 10P/Tempel passes perihelion Comet 10P/Tempel makes its closest approach to the Sun. Tue, 23 Mar 2021 (1,137 days ago) in Aquarius

9.

Comet C/2020 R4 (ATLAS) passes perihelion Comet C/2020 R4 (ATLAS) makes its closest approach to the Sun. Tue, 02 Mar 2021 (1,158 days ago) in Aquarius

10.

Comet C/2021 D1 (SWAN) passes perihelion Comet C/2021 D1 (SWAN) makes its closest approach to the Sun. Sat, 27 Feb 2021 (1,161 days ago) in Pegasus

11.

Comet C/2021 A2 (NEOWISE) passes perihelion Comet C/2021 A2 (NEOWISE) makes its closest approach to the Sun. Fri, 22 Jan 2021 (1,197 days ago) in Vela

12.

Comet 398P/Boattini passes perihelion Comet 398P/Boattini makes its closest approach to the Sun. Sun, 27 Dec 2020 (1,223 days ago) in Perseus

13.

Comet 141P/Machholz passes perihelion Comet 141P/Machholz makes its closest approach to the Sun. Thu, 17 Dec 2020 (1,233 days ago) in Aquarius

14.

Comet C/2020 S3 (Erasmus) passes perihelion Comet C/2020 S3 (Erasmus) makes its closest approach to the Sun. Fri, 11 Dec 2020 (1,239 days ago) in Scorpius

15.

Comet C/2019 N1 (ATLAS) passes perihelion Comet C/2019 N1 (ATLAS) makes its closest approach to the Sun. Mon, 30 Nov 2020 (1,250 days ago) in Virgo

16.

Comet C/2020 S3 (Erasmus) passes perigee Comet C/2020 S3 (Erasmus) makes its closest approach to the Earth. Tue, 17 Nov 2020 (1,263 days ago) in Corvus

17.

Comet C/2020 M3 (ATLAS) passes perigee Comet C/2020 M3 (ATLAS) makes its closest approach to the Earth. Sat, 14 Nov 2020 (1,266 days ago) in Orion

18.

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 (1,271 days ago) in Orion

19.

Comet C/2020 M3 (ATLAS) passes perihelion Comet C/2020 M3 (ATLAS) makes its closest approach to the Sun. Mon, 26 Oct 2020 (1,285 days ago) in Lepus

20.

Comet C/2020 P1 (NEOWISE) passes perihelion Comet C/2020 P1 (NEOWISE) makes its closest approach to the Sun. Tue, 20 Oct 2020 (1,291 days ago) in Virgo