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2021 DR15

Large trans-Neptunian object in the scattered disc From Wikipedia, the free encyclopedia

2021 DR15
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2021 DR15 is a large trans-Neptunian object in the scattered disc, around 700 kilometres (430 miles) in diameter. It was discovered on 17 February 2021, by American astronomers Scott Sheppard, David Tholen, and Chad Trujillo using the 8.2-meter Subaru Telescope of the Mauna Kea Observatories in Hawaii, and announced on 17 December 2021.[1] With an absolute magnitude of between 3.4 and 3.8, it may be the brightest known object in the Solar System that does not have a directly measured size. It was 89.4 astronomical units from the Sun when it was discovered, making it the ninth-most distant known Solar System object from the Sun as of December 2021.[1] It has been identified in several precovery images as far back as 10 March 2005.[2]

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