P/1999 RO28 ( LONEOS )

Japanese version
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Updated on January 22, 2000

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* Profile

Discovery Date September 7, 1999
Magnitude 18.4 mag
Discoverer Lowell Observatory Near-Earth Object Search

* Orbital Elements

   The following improved orbital elements by Kenji Muraoka, are
  from 109 observations  1999 Sept. 7 to Nov. 13, perturbations 
  by 9 Planets, Moon and 5 minor planets were taken into account. 
   The mean residual is +/- 0.73 arc seconds.

      Epoch  =  1999 Sept. 19.0  TT      JDT = 2451440.5
          T  =  1999 Oct.   2.34327      +/- 0.00033 (m.e.) TT
       Peri. =  219.85872                +/- 0.00111
       Node  =  148.45030                +/- 0.00093   (2000.0)
       Incl. =    8.19110                +/- 0.00017
          q  =    1.2317608              +/- 0.0001424 AU
          e  =    0.6507922              +/- 0.0000274
          a  =    3.5273002              +/- 0.0002999 AU
          n  =    0.14877859             +/- 0.00001897
          P  =    6.625                  +/- 0.0008448  years
                                        (+/- 0.31 day)

* Finding Charts

* Magnitudes Graph

        m1 = 20.5 + 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.