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120347 Salacia facts for kids

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Salacia Hubble
Salacia and its moon Actaea, imaged by the Hubble Space Telescope on 21 July 2006

120347 Salacia is a trans-Neptunian object in the Kuiper belt. It is approximately 850 kilometers in diameter. As of 2018, it is found about 44.8 astronomical units from the Sun.


Salacia was discovered on 22 September 2004, by American astronomers Henry Roe, Michael Brown and Kristina Barkume at the Palomar Observatory in California, United States. It was named after the Roman goddess Salacia. It has one known moon, Actaea.

Physical characteristics

It has an average density of 1.51 g/cm3. Salacia is estimated to be around 846 km in diameter. Salacia has the lowest albedo of any known large trans-Neptunian object.

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