37P/Forbes

Japanese version
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Updated on February 19, 2024

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* Profile

Kazuo Kinoshita's calculation revealed that it passes close by Jupiter and the orbit changes frequently. In 20th and 21st century, the perihelion distance changes between 1.2 A.U. and 1.6 A.U. It comes closer to the sun in some appearances, but it does not in other cases.

Due to the approach to the Jupiter in 2001, the perihelion distance was increased from 1.45 A.U. to 1.57 A.U. Then the comet became fainter by 2 mag in spite of the difference of only 0.12 A.U.

It will be the farthest period of this comet after this until 2069. On the other hand, the perihelion distance will be reduced down to 1.2 A.U. and it will be in the closest period in late 21st century,

* Returns and Appearances

!Discovered *Appeared -Not observed #Appeared before discovery +Not observed before discovery .Returns in the future
* 37P
2024 Oct. 11
* 37P
2018 May 4
* 37P
2011 Dec. 11
* 37P
2005 Aug. 1
* 37P
1999 May 4
* 37P
1993 Mar. 14
* 37P
1987 Jan. 1
* 37P
1980 Sept.24
* 37P
1974 May 19
-
1967 Dec. 22
* 37P
1961 July 24
-
1955 Feb. 18
* 37P
1948 Sept.16
* 37P/1942 L1
1942 Apr. 16
-
1935 Nov. 15
! 37P/1929 P1
1929 June 26

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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 1935 to 1967 are calculated using the Minor Planet & Comet Ephemeris Service.
Information on the discovery and historical highlights are available at General Comet Info (Gary W. Kronk).
The past and future orbital elements calculated by Kazuo Kinoshita (http://www9.ocn.ne.jp/~comet/pcmtn/0037p.htm).

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