Astronomy Answers: From the Astronomical Dictionary

Astronomy Answers
From the Astronomical Dictionary

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A moon of 50 km diameter at about 64,800 km from the planet Pluto. The gravity at its surface is about 0.0011 times as strong as on Earth. The moon goes once around its planet in about 38.2 days. The moon was discovered in 2005. Its provisional designation was S/2005 P1.