P/1996 R2 ( Lagerkvist )

Japanese version
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Updated on August 6, 1997

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* Profile

Discovery Date September 10, 1996
Magnitude 17 mag
Discoverer Claes-Ingvar Lagerkvist (Uppsala Observatory)

* Orbital Elements

   The following improved orbital elements, by Kenji Muraoka, are
  from 112 observations  1996 Sept. 11  to  Dec. 30, perturbations
  by 9 Planets, Moon and 5 minor planets were taken into account. 
   The mean residual is +/- 0.59 arc seconds.

      Epoch  =  1997 Feb.  1.0  TT       JDT = 2450480.5
          T  =  1997 Jan. 19.35543       +/- 0.03360 (m.e.) TT
       Peri. =  334.09266                +/- 0.08346
       Node  =   40.23466                +/- 0.08783   (2000.0)
       Incl. =    2.60561                +/- 0.00322
          q  =    2.6095712              +/- 0.0003420 AU
          e  =    0.3101735              +/- 0.0000673
          a  =    3.7829384              +/- 0.0003312 AU
          n  =    0.13395538             +/- 0.00001759
          P  =    7.358                  +/- 0.0009662  years
                                        (+/- 0.35 day)

* Finding Charts

* 1996 Apr. 7 - 1997 May 12
* 1997 Apr. 22 - 1998 May 27

* 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.