101.

Comet 45P/Honda-Mrkos-Pajdusakova passes perigee Comet 45P/Honda-Mrkos-Pajdusakova makes its closest approach to the Earth. Mon, 10 Dec 1984 (14,388 days ago) in Scorpius

102.

Comet 45P/Honda-Mrkos-Pajdusakova passes perihelion Comet 45P/Honda-Mrkos-Pajdusakova makes its closest approach to the Sun. Fri, 30 Nov 1984 (14,398 days ago) in Ophiuchus

103.

Comet 2P/Encke passes perihelion Comet 2P/Encke makes its closest approach to the Sun. Sun, 26 Feb 1984 (14,676 days ago) in Aquarius

104.

Comet 2P/Encke passes perigee Comet 2P/Encke makes its closest approach to the Earth. Sat, 25 Feb 1984 (14,677 days ago) in Aquarius

105.

Comet 10P/Tempel passes perihelion Comet 10P/Tempel makes its closest approach to the Sun. Thu, 15 Sep 1983 (14,840 days ago) in Sagittarius

106.

Comet 88P/Howell passes perihelion Comet 88P/Howell makes its closest approach to the Sun. Mon, 24 May 1982 (15,319 days ago) in Aquarius

107.

Comet 15P/Finlay passes perihelion Comet 15P/Finlay makes its closest approach to the Sun. Fri, 29 Jan 1982 (15,434 days ago) in Aquarius

108.

Comet 104P/Kowal passes perihelion Comet 104P/Kowal makes its closest approach to the Sun. Sun, 18 Oct 1981 (15,537 days ago) in Cancer

109.

Comet 19P/Borrelly passes perihelion Comet 19P/Borrelly makes its closest approach to the Sun. Sun, 21 Dec 1980 (15,838 days ago) in Cetus

110.

Comet 210P/Christensen passes perihelion Comet 210P/Christensen makes its closest approach to the Sun. Fri, 28 Nov 1980 (15,861 days ago) in Libra

111.

Comet 46P/Wirtanen passes perihelion Comet 46P/Wirtanen makes its closest approach to the Sun. Fri, 21 Nov 1980 (15,868 days ago) in Leo

112.

Comet 96P/Machholz passes perihelion Comet 96P/Machholz makes its closest approach to the Sun. Fri, 14 Nov 1980 (15,875 days ago) in Libra

113.

Comet 46P/Wirtanen reaches peak brightness Comet 46P/Wirtanen is forecast to reach the brightest point in its 1980 apparition. Thu, 13 Nov 1980 (15,876 days ago) in Cancer

114.

Comet 96P/Machholz passes perigee Comet 96P/Machholz makes its closest approach to the Earth. Tue, 11 Nov 1980 (15,878 days ago)

115.

Comet 46P/Wirtanen passes perigee Comet 46P/Wirtanen makes its closest approach to the Earth. Thu, 06 Nov 1980 (15,883 days ago) in Hydra

116.

Comet 2P/Encke passes perihelion Comet 2P/Encke makes its closest approach to the Sun. Thu, 06 Nov 1980 (15,883 days ago) in Virgo

117.

Comet 8P/Tuttle passes perihelion Comet 8P/Tuttle makes its closest approach to the Sun. Wed, 15 Oct 1980 (15,905 days ago) in Sextans