シュヴァスマン-ヴァハマン第3彗星

73P/Schwassmann-Wachmann 3 (1995)

English version
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Updated on February 2, 1997

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・ プロフィール

・ 写真集

・ 軌道要素

   The following improved orbital elements by Kenji Muraoka, are
  from 133 observations 1995 Oct. 7 to 1996 Nov. 19, perturbations
  by 9 Planets and 5 minor planets were taken into account. 
   The mean residual is +/- 2.08 arc seconds.

      Epoch  =  1995 Oct.  10.0  TT      JDT = 2450000.5
          T  =  1995 Sept. 22.87476      +/- 0.00064 (m.e.) TT
       Peri. =  198.74610                +/- 0.00157
       Node  =   69.94844                +/- 0.00182   (2000.0)
       Incl. =   11.42388                +/- 0.00050
          q  =    0.9326558              +/- 0.0000279 AU
          e  =    0.6947507              +/- 0.0000052
          a  =    3.0553907              +/- 0.0000753 AU
          n  =    0.18454571             +/- 0.00000683
          P  =    5.341                  +/- 0.0001976  years
                                        (+/- 0.07 day)

     Nuclear C

   The following improved orbital elements, by Kenji Muraoka, are from 
  226 observations 1989 to 1996, including 9 Planets, Moon and 5 minor 
  planets perturbations and non-gravitational effect of style II.
   The mean residual is  +/- 0.89 arc seconds.

      Epoch  =  1995 Oct.  10.0  TT      JDT = 2450000.5
          T  =  1995 Sept. 22.88978      +/- 0.00006 (m.e.) TT
       Peri. =  198.76927                +/- 0.00017
       Node  =   69.94661                +/- 0.00015   (2000.0)
       Incl. =   11.42389                +/- 0.00003
          q  =    0.9327815              +/- 0.0000005 AU
          e  =    0.6948482              +/- 0.0000008
          a  =    3.0567786              +/- 0.0000027 AU
          n  =    0.18442004             +/- 0.00000025
          P  =    5.344                  +/- 0.0000071  years
         A1  =   +0.923                  +/- 0.016
         A2  =   +0.21829                +/- 0.00439
         A3  =   -0.204                  +/- 0.009

     Nuclear C

   The following improved orbital elements, by Kenji Muraoka, are
  from 191 observations 1994 Dec. 28 to 1996 Nov. 19, perturbations
  by 9 Planets, Moon and 5 minor planets were taken into account. 
   The mean residual is +/- 0.79 arc seconds.

      Epoch  =  1995 Oct.  10.0  TT      JDT = 2450000.5
          T  =  1995 Sept. 22.89089      +/- 0.00004 (m.e.) TT
       Peri. =  198.76836                +/- 0.00019
       Node  =   69.94839                +/- 0.00019   (2000.0)
       Incl. =   11.42387                +/- 0.00003
          q  =    0.9327852              +/- 0.0000026 AU
          e  =    0.6948979              +/- 0.0000007
          a  =    3.0572892              +/- 0.0000055 AU
          n  =    0.18437384             +/- 0.00000049
          P  =    5.346                  +/- 0.0000143  years
                                        (+/- 0.01 day)

・ 星図

・ 1995年 1月 3日〜1995年11月29日
・ 1995年10月10日〜1996年12月 3日

・ 光度変化

        m1 = 11.5 + 5 logΔ + 18.0 log r  [   ,  0]  (              〜1995年 9月22日)
        m1 =  5.8 + 5 logΔ + 10.0 log r  [  0,120]  (1995年 9月22日〜1996年 1月20日)
        m1 =  2.5 + 5 logΔ + 30.0 log r  [120,   ]  (1996年 1月20日〜              )

        ※ 灰色の曲線は、m1 = 11.5 + 5 logΔ + 18.0 log r の光度曲線です。

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軌道要素は村岡健治氏の計算によるものです。
星図は StellaNavigator Ver.2.0 for Windows (アストロアーツ 編著 / アスキー出版局刊) で作成したものです。
光度グラフはComet for Windowsで作成したものです。

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