C/1937 D1 ( Wilk )

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Updated on November 9, 2005

Returns and Appearances Discovered Appeared Not observed Appeared before discovery Not observed before discovery Returns in the future 2121 June 20 C/1937 D1 1937 Feb. 21

The perihelion dates in the past appearances are printed on Catalog of Cometary Orbits 1996. The perihelion date in the next return is calculated by Kazuo Kinoshita (http://www9.ocn.ne.jp/~comet/pcmt/j37d1.htm).