C/1998 W3 ( LINEAR )

Japanese version
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Updated on November 20, 1999

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* Profile

Discovery Date November 25, 1998
Magnitude 18.4 mag
Discoverer Lincoln Laboratory Near-Earth Asteroid Research project

* Pictures

* Orbital Elements

   The following improved orbital elements by Kenji Muraoka, are
  from 141 observations 1998 Nov. 25 to 1999 Sept. 13, perturbations
  by 9 Planets, Moon and 5 minor planets were taken into account.
   The mean residual is +/- 0.54 arc seconds.

      Epoch  =  1998 Sept. 24.0  TT      JDT = 2451080.5
          T  =  1998 Oct.   6.73963      +/- 0.00919 (m.e.) TT
       Peri. =    6.88974                +/- 0.00101
       Node  =  123.91860                +/- 0.00076   (2000.0)
       Incl. =  129.19152                +/- 0.00078
          q  =    4.9145993              +/- 0.0000121 AU
          e  =    1.0012517              +/- 0.0000276
        1/a  =   -0.0002547              +/- 0.0000056 1/AU
  orig. 1/a  =   +0.000248
  fut.  1/a  =   +0.000065

* Finding Charts

* Magnitudes Graph

        m1 = 6.5 + 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.