139P/Vaisala-Oterma

Japanese version
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Updated on July 3, 2010

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* Returns and Appearances

!Discovered *Appeared -Not observed #Appeared before discovery +Not observed before discovery .Returns in the future
.
2017 Dec. 10
* 139P
2008 Apr. 19
* 139P/1998 WG22
1998 Sept.28
-
1988 July 18
-
1978 May 18
-
1968 Oct. 22
-
1959 Mar. 4
-
1949 July 16
! 139P/1939 TN
1939 Dec. 30

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The perihelion dates since 1939 until 1988 are calculated by Kazuo Kinoshita (http://www9.ocn.ne.jp/~comet/pcmtn/0139p.htm).

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