Q:

How many satellites does Mercury have?

A:

Quick Answer

The planet Mercury does not have any known moons (natural satellites) as of 2014. There has been one known artificial satellite orbiting Mercury, known as Messenger.

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How many satellites does Mercury have?
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Full Answer

Messenger’s mission to Mercury was launched on August 3, 2004 and began an orbit of Mercury in March 2011. In the 1970s, astronomers believed Mercury might have a moon based on large amounts of ultraviolet radiation detected by a National Aeronautics and Space Administration (NASA) spacecraft. It was later determined that the radiation was coming from a distant star, rather than a moon. As of 2014, no moons, rings or signs of life have been seen on Mercury, according to NASA.

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