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Orbital period: about 6.4 years, Notable features: has a well-preserved nucleus, History: Visited by the Stardust spacecraft in 2004.

Orbital period: about 6.9 years, Notable features: visited by the Deep Space 1 probe, History: First observed by Alphonse Borrelly in December 1904.

Orbital period: was on a parabolic trajectory, Notable features: disintegrated during its solar approach, History: Discovered in 2012 by two Russian astronomers and was anticipated to be a 'comet of the century'.

Orbital period: approximately 76 years, Notable features: very bright comet, visible to the naked eye, History: Recorded by ancient astronomers and reliable periodicity identified by Edmond Halley.

Orbital period: roughly 133 years, Notable features: it is the largest object known to repeatedly pass by Earth, History: Discovered in 1862 and is the parent body of the Perseids meteor shower.

Orbital period: several thousand years, Notable features: survived close pass to the Sun, History: Discovered in November 2011 by Terry Lovejoy.

Orbital period: about 3.3 years, Notable features: shortest orbital period of a bright comet, History: Named after Johann Franz Encke, who calculated its orbit.

Orbital period: roughly 2,533 years, Notable features: exceptionally bright, large nucleus, History: Discovered in 1995 and was most visible to the naked eye in 1997.

Orbital period: approximately 558 years, Notable features: bright tail and multiple fragments, History: Visibly bright in 1976 and observed globally.

Orbital period: about 17,000 years, Notable features: blue-green ion tail, History: Discovered by amateur astronomer Yuji Hyakutake in 1996 and came close to Earth.

Orbital period: disrupted before determination, Notable features: broke apart and collided with Jupiter, History: Discovered in 1993 and impacted Jupiter in 1994.