489P/Denning

Japanese version
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 Updated on September 26, 2024

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* Returns and Appearances

!Discovered *Appeared -Not observed #Appeared before discovery +Not observed before discovery .Returns in the future
.
2025 Dec. 4
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2016 Sept. 2
* 489P/2007 HE4
2007 Apr. 22
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1997 Dec. 5
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1988 July 26
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1980 June 20
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1972 Apr. 23
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1964 Feb. 26
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1955 Dec. 8
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1947 Sept. 21
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1939 Sept. 15
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1931 Sept. 13
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1923 Sept. 30
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1916 May 29
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1908 Dec. 30
-
1901 July 21
! 489P/1894 F1
1894 Feb. 9

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The perihelion dates from 1894 to 1997 are printed on CBET 5425.

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