31P/Schwassmann-Wachmann 2

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Updated on October 26, 2008

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* Returns and Appearances

!Discovered *Appeared -Not observed #Appeared before discovery +Not observed before discovery .Returns in the future
* 31P
2010 Sept.29
* 31P
2002 Jan. 18
* 31P
1994 Jan. 23
* 31P
1987 Aug. 30
* 31P
1981 Mar. 17
* 31P
1974 Sept.12
* 31P
1968 Mar. 14
* 31P
1961 Sept. 5
* 31P
1955 Feb. 27
* 31P
1948 Aug. 23
* 31P
1942 Feb. 13
* 31P/1934 X1
1935 Aug. 28
! 31P/1929 B1
1929 Mar. 23

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The perihelion dates in the past appearances are printed on Catalog of Cometary Orbits 1996.

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Copyright(C) Seiichi Yoshida (comet@aerith.net). All rights reserved.