C/1998 M6 ( Montani )

Japanese version
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Updated on March 26, 1999

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* Profile

Discovery Date June 30, 1998
Magnitude 18.9 mag
Discoverer J. Montani

* Orbital Elements

   The following improved orbital elements by Kenji Muraoka, are 
  from 86 observations  1998 June 30  to  Nov. 16, perturbations 
  by 9 Planets, Moon and 5 minor planets were taken into account.
   The mean residual is +/- 0.66 arc seconds.

      Epoch  =  1998 Sept. 24.0  TT      JDT = 2451080.5
          T  =  1998 Oct.   6.56562      +/- 0.10252 (m.e.) TT
       Peri. =    9.14640                +/- 0.00737
       Node  =  306.60361                +/- 0.00264   (2000.0)
       Incl. =   91.54037                +/- 0.00608
          q  =    5.9786745              +/- 0.0001491 AU
          e  =    0.9989914              +/- 0.0001179
        1/a  =   +0.0001687              +/- 0.0000197 1/AU

* Finding Charts

* 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.