C/2001 A1 ( LINEAR )

Japanese version
Home page
Updated on May 27, 2001

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* Profile

Discovery Date January 7, 2001
Magnitude 17.7 mag
Discoverer Lincoln Laboratory Near-Earth Asteroid Research project

* Orbital Elements

   The following improved orbital elements by Kenji Muraoka, are 
  from 120 observations  2001 Jan. 7  to  Mar. 18, perturbations
  by 9 Planets, Moon and 5 minor planets were taken into account.
   The mean residual is +/- 0.76 arc seconds.


      Epoch  =  2000 Sep. 13.0  TT       JDT = 2451800.5
          T  =  2000 Sep. 17.59987       +/- 0.00685 (m.e.) TT
       Peri. =  107.87879                +/- 0.00522
       Node  =  339.59578                +/- 0.00113   (2000.0)
       Incl. =   59.93876                +/- 0.00209
          q  =    2.4062828              +/- 0.0001452 AU
          e  =    0.9909158              +/- 0.0000835
        1/a  =   +0.0037752              +/- 0.0000347 1/AU
        ( P  =   4311 years )

* Finding Charts

* Magnitudes Graph

        m1 = 11.4 + 5 log d + 7.5 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.