Ammonite is the informal name for the trans-Neptunian object 2023 KQ14, discovered by the FOSSIL survey with Subaru’s 8.2-meter telescope in early 2023. Follow-up observations in July 2024 with the Canada–France–Hawaii Telescope and archival data from 2005 extended its observational arc to 19 years. Ammonite is a sednoid, a distant trans-Neptunian object with a highly…
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