19P/Borrelly

Japanese version
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Updated on October 31, 2016

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* Returns and Appearances

!Discovered *Appeared -Not observed #Appeared before discovery +Not observed before discovery .Returns in the future
.
2022 Feb. 1
* 19P
2015 May 28
* 19P
2008 July 22
* 19P
2001 Sept.14
* 19P
1994 Nov. 1
* 19P
1987 Dec. 18
* 19P
1981 Feb. 20
* 19P
1974 May 12
* 19P
1967 June 17
* 19P
1960 June 13
* 19P
1953 June 9
-
1946 June 9
-
1939 June 8
* 19P
1932 Aug. 27
* 19P
1925 Oct. 7
* 19P
1918 Nov. 17
* 19P/1911 S1
1911 Dec. 18
! 19P/1904 Y2
1905 Jan. 17

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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 1939 to 1946 are calculated using the Minor Planet & Comet Ephemeris Service.

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