257P/Catalina

Japanese version
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Updated on May 19, 2019

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* Returns and Appearances

!Discovered *Appeared -Not observed #Appeared before discovery +Not observed before discovery .Returns in the future
* 257P
2020 Sept. 10
* 257P/2012 F4
2013 June 4
! 257P/2005 JY126
2006 Feb. 21

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