The 2026 ED138 candidate sits about 46 astronomical units from the Sun, beyond Pluto. At an estimated 600 to 1,500 kilometres across, it would be the largest trans-Neptunian object found in about 20 years. Source: https://www.geekwire.com/2026/a-new-pal-for-pluto-rubin-observatory-finds-its-first-dwarf-planet-candidate/ Image credit: GeekWire / Rubin Observatory
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