81P/Wild

Författare: Greg Frieger SpaceExplorer FarGetaNik

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81P/Wild, also known as Wild 2, is currently a periodic comet with an orbital period of 6.4 years. It was a former Halley-type comet until an encounter with Jupiter in 1974 reduced its orbital period from 43 years to about 6 years. It was the primary target of NASA's Stardust mission, which performed a flyby of the comet in January 2004 to collect samples from the coma, which were returned to Earth two years later.

Wild 2's trajectory (1800 to 2200). Its initial orbit was radically reduced after the close encounter with Jupiter in 1974

Jupiter encounter in 1974-Sep-09, closest approach: 865,000 km

Processed image of the Wild 2 nucleus obtained by Stardust

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