161.

Comet 21P/Giacobini-Zinner passes perihelion Comet 21P/Giacobini-Zinner makes its closest approach to the Sun. Thu, 30 Jul 1992 (11,586 days ago) in Taurus

162.

Comet 37P/Forbes passes perihelion Comet 37P/Forbes makes its closest approach to the Sun. Thu, 23 Jul 1992 (11,593 days ago) in Scorpius

163.

Comet 46P/Wirtanen passes perihelion Comet 46P/Wirtanen makes its closest approach to the Sun. Sun, 06 Oct 1991 (11,884 days ago) in Cancer

164.

Comet 96P/Machholz passes perihelion Comet 96P/Machholz makes its closest approach to the Sun. Wed, 05 Jun 1991 (12,007 days ago) in Taurus

165.

Comet 185P/Petriew passes perihelion Comet 185P/Petriew makes its closest approach to the Sun. Mon, 22 Oct 1990 (12,233 days ago) in Leo

166.

Comet 185P/Petriew reaches peak brightness Comet 185P/Petriew is forecast to reach the brightest point in its 1990 apparition. Wed, 10 Oct 1990 (12,245 days ago)

167.

Comet 185P/Petriew passes perigee Comet 185P/Petriew makes its closest approach to the Earth. Tue, 09 Oct 1990 (12,246 days ago)

168.

Comet 2P/Encke passes perihelion Comet 2P/Encke makes its closest approach to the Sun. Thu, 04 Oct 1990 (12,251 days ago) in Virgo

169.

Comet 22P/Kopff passes perihelion Comet 22P/Kopff makes its closest approach to the Sun. Thu, 24 May 1990 (12,384 days ago) in Capricornus

170.

Comet 45P/Honda-Mrkos-Pajdusakova passes perihelion Comet 45P/Honda-Mrkos-Pajdusakova makes its closest approach to the Sun. Thu, 05 Apr 1990 (12,433 days ago) in Pisces

171.

Comet 141P/Machholz passes perigee Comet 141P/Machholz makes its closest approach to the Earth. Mon, 19 Dec 1988 (12,905 days ago) in Tucana

172.

Comet 141P/Machholz reaches peak brightness Comet 141P/Machholz is forecast to reach the brightest point in its 1988 apparition. Wed, 14 Dec 1988 (12,910 days ago) in Indus

173.

Comet 141P/Machholz passes perihelion Comet 141P/Machholz makes its closest approach to the Sun. Fri, 18 Nov 1988 (12,936 days ago) in Aquila

174.

Comet 15P/Finlay passes perihelion Comet 15P/Finlay makes its closest approach to the Sun. Sun, 28 Aug 1988 (13,018 days ago) in Taurus

175.

Comet 15P/Finlay reaches peak brightness Comet 15P/Finlay is forecast to reach the brightest point in its 1988 apparition. Fri, 12 Aug 1988 (13,034 days ago) in Taurus

176.

Comet 15P/Finlay passes perigee Comet 15P/Finlay makes its closest approach to the Earth. Fri, 29 Jul 1988 (13,048 days ago) in Cetus

177.

Comet 66P/duToit passes perihelion Comet 66P/duToit makes its closest approach to the Sun. Wed, 15 Jun 1988 (13,092 days ago) in Tucana

178.

Comet 88P/Howell passes perihelion Comet 88P/Howell makes its closest approach to the Sun. Mon, 16 Nov 1987 (13,304 days ago) in Sagittarius

179.

Comet 19P/Borrelly passes perihelion Comet 19P/Borrelly makes its closest approach to the Sun. Sat, 31 Oct 1987 (13,320 days ago) in Gemini

180.

Comet 2P/Encke passes perihelion Comet 2P/Encke makes its closest approach to the Sun. Mon, 15 Jun 1987 (13,458 days ago) in Gemini