C/1998 K2 ( LINEAR )

Japanese version
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Updated on January 26, 2000

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* Profile

Discovery Date May 22, 1998
Magnitude 15.7 mag
Discoverer Lincoln Laboratory Near-Earth Asteroid Research project

* Orbital Elements

   The following improved orbital elements by Kenji Muraoka, are from
  180 observations  1998 May 22 to 1999 Dec. 3, including 9 Planets,
  Moon and 5 minor planets perturbations and non-gravitational effect
  of style II.   The mean residual is +/- 0.69 arc seconds.

      Epoch  =  1998 Aug. 15.0  TT       JDT = 2451040.5
          T  =  1998 Sept. 1.22545       +/- 0.00134 (m.e.) TT
       Peri. =  221.41621                +/- 0.00063
       Node  =   68.78093                +/- 0.00001   (2000.0)
       Incl. =   64.45670                +/- 0.00005
          q  =    2.3235003              +/- 0.0000066 AU
          e  =    0.9993382              +/- 0.0000150
        1/a  =   +0.0002848              +/- 0.0000065 1/AU
         A1  =   -6.58                   +/- 2.29
         A2  =  -12.3554                 +/- 1.8218
        ( P  = 208017 years )

* Finding Charts

* Magnitudes Graph

        m1 = 9.5 + 5 log d + 5.0 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.