15760 Albion

In a nutshell

15760 Albion (provisional designation 1992 QB₁) was the first trans-Neptunian object to be discovered after Pluto and Charon. Measuring about 108–167 kilometres in diameter, it was discovered in 1992 by David C. Jewitt and Jane X. Luu at the Mauna Kea Observatory, Hawaii. After the discovery, they dubbed the object "Smiley" and it was shortly hailed as the tenth planet by the press. It is a "cold" classical Kuiper belt object and gave rise to the name cubewano for this kind of object, after the QB1 portion of its designation. Decoding its provisional designation, "QB₁" reveals that it was the 27th object found in the second half of August of that year. As of January 2018, around 2,400 further objects have been found beyond Neptune, a majority of which are classical Kuiper belt objects. It was named after Albion from William Blake's mythology.

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Naming

This minor planet was named after Albion from the complex mythology of English poet and painter William Blake (1757–1827). Albion is the island-dwelling primeval man whose division resulted into The Four Zoas: Urizen, Tharmas, Luvah/Orc and Urthona/Los. The name Albion itself derives from the ancient and mythological name of Britain. The official naming citation was published by the Minor Planet Center on 31 January 2018 (M.P.C. 108697).

The discoverers suggested the name "Smiley" for (15760) 1992 QB₁, but the name was already used for an asteroid 1613 Smiley, named after the American astronomer Charles Hugh Smiley. It has received the number 15760 and remained unnamed until January 2018 (it was normally referred to simply as "QB1", even though this was technically ambiguous without the year of discovery).

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