321P/SOHO

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Updated on July 8, 2020

Returns and Appearances Discovered Appeared Not observed Appeared before discovery Not observed before discovery Returns in the future 2023 Oct. 26 2020 Jan. 17 2016 Apr. 10 321P/2012 M2 2012 June 30 321P/2008 S2 2008 Sept. 17 321P/2004 X7 2004 Dec. 7 321P/2001 D1 2001 Feb. 18 321P/1997 J6 1997 May 1

The identification between C/2001 D1 and C/2004 X7 and C/2008 S2 is printed on M.P.E.C. 2008-S82. The identification between C/1997 J6 and C/2001 D1, C/2004 X7, C/2008 S2 is printed on M.P.E.C. 2009-H56.