17P/Holmes

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Updated on November 15, 2021

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* Returns and Appearances

!Discovered *Appeared -Not observed #Appeared before discovery +Not observed before discovery .Returns in the future
.
2028 Jan. 31
* 17P
2021 Feb. 19
* 17P
2014 Mar. 27
* 17P
2007 May 4
* 17P
2000 May 11
* 17P
1993 Apr. 10
* 17P
1986 Mar. 14
* 17P
1979 Feb. 22
* 17P
1972 Jan. 30
* 17P/1964 O1
1964 Nov. 15
-
1957 July 5
-
1950 Feb. 26
-
1942 Nov. 5
-
1935 July 16
-
1928 Mar. 26
-
1920 Nov. 20
-
1913 July 14
* 17P
1906 Mar. 14
* 17P/1899 L1
1899 Apr. 28
! 17P/1892 V1
1892 June 13

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The perihelion dates in the past appearances are printed on Catalog of Cometary Orbits 1996.
The perihelion dates of non-observed returns from 1913 to 1957 are calculated using the Minor Planet & Comet Ephemeris Service.

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