C/1999 X3 = C/2004 E2 = C/2008 K10 ( SOHO )

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Updated on September 27, 2008

Returns and Appearances Discovered Appeared Not observed Appeared before discovery Not observed before discovery Returns in the future 2012 Aug. 20 C/2008 K10 2008 May 31 C/2004 E2 2004 Mar. 12 C/1999 X3 1999 Dec. 12

The identification between C/1999 X3 and C/2004 E2 and C/2008 K10 is printed on M.P.E.C. 2008-S49.