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Earth and Space > Comet Data

A table of well known comets is provided below.

Comets are small bodies that orbit the Sun which, when close enough to the Sun, may exhibit a visible coma and/or a tail. They have a variety of different orbital periods, ranging from a few years to hundreds of thousands of years. There are a reported 3,354 known comets as of November 2007.

Comet Discovery Last Visit Period (yrs)
Encke 1786 2000 3.3
Biela 1 1772 1852 6.6
Kohoutek 1975 2001 6.7
Faye 1843 1999 7.3
Shoemaker-Levy 9 2 1993 - 17
Halley 240 BC 1986 76
Swift-Tuttle 1862 1992 135
Iyeka-Zhang 2002 2002 367
Iyeka-Seki 1965 1965 880
Hale-Bopp 1995 1997 2380
Hyakutake 1996 1996 29500
West 1975 1976 558000
Bennett 3 1969 1970 -

1 this comet has broken up
2 this comet fragmented and struck Jupiter in July 1994
3 this comet broke up in 1974