57P/du Toit-Neujmin-Delporte

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Updated on December 11, 2022

Returns and Appearances Discovered Appeared Not observed Appeared before discovery Not observed before discovery Returns in the future 2028 Mar. 3 57P 2021 Oct. 17 57P 2015 May 22 57P 2008 Dec. 25 57P 2002 July 31 57P 1996 Mar. 5 57P 1989 Oct. 18 57P 1983 June 1 1977 Jan. 28 57P/1970 N2 1970 Oct. 7 1964 July 13 1958 Aug. 14 1952 Oct. 2 1947 Feb. 20 57P/1941 O1 1941 July 21

The perihelion dates in the past appearances are printed on Catalog of Cometary Orbits 1996. The perihelion dates of non-observed returns from 1947 to 1977 are calculated using the Minor Planet & Comet Ephemeris Service.