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Yes, Smiley and Karla are the two planets beyond Pluto orbiting Sun. Both the planets were discovered by David Jewitt and Jane Luu of the University of Hawaii. Smiley was discovered on on 30 August 1992 and the later was on 28 March 1993. The planets were named after John Le Carré's spy novel characters. Since 'Smiley' was already classed as an asteroid, it cannot officially be named Smiley (as an asteroid of that name already exists). Hence it is officially designated so far only as '1992 QB1'.

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13y ago

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