C/1997 J1 ( Mueller )

Japanese version
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Updated on March 26, 1999

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* Profile

Discovery Date May 3, 1997
Magnitude 14 mag
Discoverer Jean Mueller

* Orbital Elements

   The following improved orbital elements by Kenji Muraoka, are 
  from 479 observations 1997 May 3 to 1998 Nov. 25, perturbations
  by 9 Planets, Moon and 5 minor planets were taken into account.
   The mean residual is +/- 0.57 arc seconds.

      Epoch  =  1997 Apr. 22.0  TT       JDT = 2450560.5
          T  =  1997 May   3.80219       +/- 0.00019 (m.e.) TT
       Peri. =   98.95424                +/- 0.00011
       Node  =  277.07493                +/- 0.00007   (2000.0)
       Incl. =  122.96869                +/- 0.00003
          q  =    2.3021499              +/- 0.0000027 AU
          e  =    0.9908918              +/- 0.0000026
        1/a  =   +0.0039564              +/- 0.0000011 1/AU
        ( P  =   4018 years )
  orig. 1/a  =   +0.001823   1/AU 
  fut.  1/a  =   +0.004661   1/AU 

* Finding Charts

* 1996 Oct. 4 - 1997 Nov. 28
* 1997 June 21 - 1998 Dec. 13

* Magnitudes Graph

        m1 = 7.5 + 5 log d + 10.0 log r

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The orbital elements are calculated by Kenji Muraoka.
The charts are made with StellaNavigator Ver.2.0 for Windows (AstroArts / ASCII).
The magnitudes graphs are made with Comet for Windows.

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