221P/LINEAR

Japanese version
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Updated on March 21, 2021

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* Returns and Appearances

!Discovered *Appeared -Not observed #Appeared before discovery +Not observed before discovery .Returns in the future
* 221P
2021 Dec. 18
* 221P
2015 July 11
* 221P/2009 L1
2009 Jan. 24
! 221P/2002 JN16
2002 July 27

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