161.

Comet 45P/Honda-Mrkos-Pajdusakova passes perigee Comet 45P/Honda-Mrkos-Pajdusakova makes its closest approach to the Earth. Wed, 12 Dec 1984 (14,370 days ago) in Scorpius

162.

Comet 45P/Honda-Mrkos-Pajdusakova passes perihelion Comet 45P/Honda-Mrkos-Pajdusakova makes its closest approach to the Sun. Fri, 30 Nov 1984 (14,382 days ago) in Ophiuchus

163.

Comet 2P/Encke passes perihelion Comet 2P/Encke makes its closest approach to the Sun. Fri, 24 Feb 1984 (14,662 days ago) in Aquarius

164.

Comet 2P/Encke passes perigee Comet 2P/Encke makes its closest approach to the Earth. Thu, 23 Feb 1984 (14,663 days ago) in Aquarius

165.

Comet 10P/Tempel passes perihelion Comet 10P/Tempel makes its closest approach to the Sun. Sat, 17 Sep 1983 (14,822 days ago) in Sagittarius

166.

Comet 88P/Howell passes perihelion Comet 88P/Howell makes its closest approach to the Sun. Wed, 26 May 1982 (15,301 days ago) in Aquarius

167.

Comet 15P/Finlay passes perihelion Comet 15P/Finlay makes its closest approach to the Sun. Sun, 31 Jan 1982 (15,416 days ago) in Aquarius

168.

Comet 104P/Kowal passes perihelion Comet 104P/Kowal makes its closest approach to the Sun. Mon, 19 Oct 1981 (15,520 days ago) in Cancer

169.

Comet 19P/Borrelly passes perihelion Comet 19P/Borrelly makes its closest approach to the Sun. Wed, 24 Dec 1980 (15,819 days ago) in Cetus

170.

Comet 210P/Christensen passes perihelion Comet 210P/Christensen makes its closest approach to the Sun. Wed, 26 Nov 1980 (15,847 days ago) in Libra

171.

Comet 46P/Wirtanen passes perihelion Comet 46P/Wirtanen makes its closest approach to the Sun. Fri, 21 Nov 1980 (15,852 days ago) in Leo

172.

Comet 96P/Machholz passes perihelion Comet 96P/Machholz makes its closest approach to the Sun. Fri, 14 Nov 1980 (15,859 days ago) in Libra

173.

Comet 46P/Wirtanen reaches peak brightness Comet 46P/Wirtanen is forecast to reach the brightest point in its 1980 apparition. Thu, 13 Nov 1980 (15,860 days ago) in Cancer

174.

Comet 96P/Machholz passes perigee Comet 96P/Machholz makes its closest approach to the Earth. Wed, 12 Nov 1980 (15,861 days ago) in Libra

175.

Comet 46P/Wirtanen passes perigee Comet 46P/Wirtanen makes its closest approach to the Earth. Thu, 06 Nov 1980 (15,867 days ago) in Hydra

176.

Comet 2P/Encke passes perihelion Comet 2P/Encke makes its closest approach to the Sun. Tue, 04 Nov 1980 (15,869 days ago) in Virgo

177.

Comet 8P/Tuttle passes perihelion Comet 8P/Tuttle makes its closest approach to the Sun. Thu, 16 Oct 1980 (15,888 days ago) in Sextans