109P/Swift-Tuttle

Japanese version
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Updated on November 9, 2005

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* Returns and Appearances

!Discovered *Appeared -Not observed #Appeared before discovery +Not observed before discovery .Returns in the future
.
2126 July 12
* 109P/1992 S2
1992 Dec. 12
! 109P/1862 O1
1862 Aug. 23
# 109P/1737 N1
1737 June 15
+
1610 Feb. 6
+
1479 Oct. 18
+
1348 May 2
+
1212 Nov. 5
+
1079 Sept.17
+
950 Apr. 20
+
826 Apr. 20
+
698 Sept. 6
+
569 Mar. 1
+
441 Nov. 3
+
316 Oct. 27
# 109P/ 188 O1
188 July 10
+
59 May 18
# 109P/ -68 Q1
-68 Aug. 27

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The perihelion dates in the past appearances are printed on Catalog of Cometary Orbits 1996.
The perihelion date in the next return is calculated by Kazuo Kinoshita (http://www9.ocn.ne.jp/~comet/pcmtn/0109p.htm).
The perihelion dates of non-observed returns from 59 to 1610 are calculated by Kenji Muraoka.
The appearance in 1737 is printed on IAUC 5620.
The appearances in -68 and 188 are printed on IAUC 5670 and IAUC 5671.

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