Solar system lead scientist, Rubin Observatory
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Last updated Nov 13, 2026
Led the archival confirmation search
On October 13, 2026, Smithsonian Astrophysical Observatory researcher Matthew Holman ran a search program over early data from the Vera C. Rubin Observatory in Chile. One dot stood out: it was bright, and brightness at that distance usually means size. Follow-up searches found the same object in 30 Rubin images from March to July, then in Dark Energy Camera images going back to 2016, and finally on a photographic plate exposed in 1937.
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