142P/Ge-Wang (1999)

Japanese version
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Updated on October 4, 1999

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* Profile

Designation 142P/1999 R2
Recovery Date September 15, 1999
Magnitude 20.3 mag
Recoverer J. V. Scotti (Kitt Peak)

* Orbital Elements

   The following improved orbital elements by Kenji Muraoka, are 
  from 18 observations 1988 Oct. 11 to 1999 Sept.16, perturbations  
  by 9 Plantes, Moon and 5 minor planets were taken into account. 
   The mean residual is +/- 0.87 arc seconds.

      Epoch  =  1999 July  1.0  TT       JDT = 2451360.5
          T  =  1999 June 21.50534       +/- 0.01832 (m.e.) TT
       Peri. =  177.39048                +/- 0.00670
       Node  =  177.13643                +/- 0.00258   (2000.0)
       Incl. =   12.17161                +/- 0.00092
          q  =    2.4961208              +/- 0.0002460 AU
          e  =    0.5003733              +/- 0.0000489
          a  =    4.9959717              +/- 0.0001388 AU
          n  =    0.08826207             +/- 0.00000368
          P  =   11.167                  +/- 0.0004655  years

* Finding Charts

* Magnitudes Graph

        m1 = 12.5 + 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.