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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. It was 89.4 astronomical units from the Sun when it was discovered, making it one of the most distant known Solar System objects from the Sun as of December 2021. It has been identified in several precovery images as far back as 10 March 2005.

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  • 2021 DR15 (en)
  • 2021 DR15 (fr)
  • 2021 DR15 (ja)
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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. It was 89.4 astronomical units from the Sun when it was discovered, making it one of the most distant known Solar System objects from the Sun as of December 2021. It has been identified in several precovery images as far back as 10 March 2005. (en)
  • 2021 DR15とは、直径が700キロメートル (430 mi)のエッジワース・カイパーベルトや散乱円盤天体に分類される大型の太陽系外縁天体である。2021年2月17日に、ハワイのマウナケア天文台でアメリカの天文学者であるスコット・S・シェパード、、チャドウィック・トルヒージョによって発見された。2021 DR15が発見されたとき、それは太陽から89.4天文単位の場所にあり、2021年12月の時点で太陽から最も遠い既知の太陽系の天体の1つとなっている。観測されたのは292日間だけであるため、軌道のデータは不十分である。 (ja)
  • 2021 DR15 est un objet transneptunien d'une dimension probable de plus de 700 km, ce qui en fait une planète naine potentielle. (fr)
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  • #C2E0FF (en)
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  • / day (en)
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  • yes (en)
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  • 5.2827422399999994E8 (second)
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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. It was 89.4 astronomical units from the Sun when it was discovered, making it one of the most distant known Solar System objects from the Sun as of December 2021. It has been identified in several precovery images as far back as 10 March 2005. (en)
  • 2021 DR15とは、直径が700キロメートル (430 mi)のエッジワース・カイパーベルトや散乱円盤天体に分類される大型の太陽系外縁天体である。2021年2月17日に、ハワイのマウナケア天文台でアメリカの天文学者であるスコット・S・シェパード、、チャドウィック・トルヒージョによって発見された。2021 DR15が発見されたとき、それは太陽から89.4天文単位の場所にあり、2021年12月の時点で太陽から最も遠い既知の太陽系の天体の1つとなっている。観測されたのは292日間だけであるため、軌道のデータは不十分である。 (ja)
  • 2021 DR15 est un objet transneptunien d'une dimension probable de plus de 700 km, ce qui en fait une planète naine potentielle. (fr)
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orbital period (μ)
  • 201252.75 (day)
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