51P/Harrington

Japanese version
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Updated on May 14, 2016

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* Returns and Appearances

!Discovered *Appeared -Not observed #Appeared before discovery +Not observed before discovery .Returns in the future
.
2022 Oct. 3
* 51P
2015 Aug. 12
* 51P
2008 June 18
* 51P
2001 June 5
* 51P
1994 Aug. 23
* 51P
1987 Oct. 31
* 51P
1980 Dec. 24
-
1974 Feb. 17
-
1967 Apr. 23
* 51P/1960 P1
1960 June 28
! 51P/1953 P1
1953 Sept.22

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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 1967 to 1974 are calculated using the Minor Planet & Comet Ephemeris Service.

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