221P/LINEAR

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Updated on April 16, 2023

Returns and Appearances Discovered Appeared Not observed Appeared before discovery Not observed before discovery Returns in the future 2028 Apr. 5 221P 2021 Dec. 18 221P 2015 July 11 221P/2009 L1 2009 Jan. 24 221P/2002 JN16 2002 July 27