Category:Astronomical objects by year of discovery

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Subcategories named "Astronomical objects discovered in <year>" should be sorted by discovery year, month, and day. Please use the sortkey YYYYMMDD if all are known. Otherwise, use YYYYMM00 for unknown day, and YYYY0000 for unknown month and day. Use this search to find all pages in these subcategories that are still missing a sortkey.


This category has the following 173 subcategories, out of 173 total.