Discovered Appeared Not observed Appeared before discovery Not observed before discovery Returns in the future
2032 May 14 72P2023 June 15 72P2014 July 11 2005 June 20 1996 May 29 1987 Aug. 2 72P/1978 T21978 Oct. 2 1969 Sept.23 1960 Sept.14 1952 Jan. 3 1943 Apr. 23 1934 May 26 1925 June 30 1916 Oct. 9 1908 Jan. 12 1899 Mar. 16 1890 May 18 72P/1881 T11881 Sept.13