48P/Johnson (1997)

Japanese version
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Updated on March 26, 1999

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* Profile

* Orbital Elements

   The following improved orbital elements by Kenji Muraoka, 
  are from 234 observation1 1949 to 1999, including 9 Planets, 
  Moon and 5 minor planets perturbations and non-gravitational 
  effect of style II.  The mean residual is +/- 0.81 arc seconds.

      Epoch  =  1997 Nov.  8.0  TT       JDT = 2450760.5
          T  =  1997 Oct. 31.84877       +/- 0.00072 (m.e.) TT
       Peri. =  207.99089                +/- 0.00025
       Node  =  117.35386                +/- 0.00005   (2000.0)
       Incl. =   13.66435                +/- 0.00002
          q  =    2.3083073              +/- 0.0000010 AU
          e  =    0.3672592              +/- 0.0000003
          a  =    3.6481085              +/- 0.0000006 AU
          n  =    0.14144984             +/- 0.00000004
          P  =    6.968                  +/- 0.0000018  years
         A1  =   +0.711                  +/- 0.021
         A2  =   -0.02396                +/- 0.00069

* Finding Charts

* 1997 Feb. 1 - 1998 Dec. 13

* Magnitudes Graph

        m1 = 9.0 + 5 log d + 15.0 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.