23P/Brorsen-Metcalf

+ Orbit O-C

23P/Brorsen-Metcalf
From 184 observations 1847 Aug. 10-1989 Sept. 9, mean residual 1".55.
  Nongravitational parameters A1 = +0.17, A2 = -0.0533.

  Epoch  = 1989 Oct. 1.0 TT              JDT = 2447800.5
      T  = 1989 Sept. 11.9374621271 TT   +/- 0.0001297504       0.0000000059
   Peri. = 129.6109778914                +/- 0.0002991380       0.0000000019
   Node  = 311.5855809048 (2000.0)       +/- 0.0002017509       0.0000000045
   Incl. =  19.3339599885                +/- 0.0000782740      -0.0000000000
      q  =   0.4787500314 AU             +/- 0.0000010376      -0.0000000001
      e  =   0.9719542036                +/- 0.0000000109       0.0000000000
     A1  =   0.1721929043                +/- 0.0147872968      -0.0000012694
     A2  =  -0.0532789003                +/- 0.0000061071      -0.0000000008
      a  =  17.0702954934 AU             +/- 0.0000022020
      n  =   0.0139747007                +/- 0.0000000027
      P  =  70.5279983727 years          +/- 0.0000136465

    Earth    0.4715 AU  17031021.0 TT
  23P            Brorsen-Metcalf            *17031104.50254  0.4813044 0.9721289 128.91919 312.49045  19.01594 17031021  184*18470810 19890909 10.0 15.0 h0F  1.55  x 2  +0.17 -0.0533         Kinoshita           
  23P            Brorsen-Metcalf            *17750720.26827  0.4849193 0.9722041 128.83510 312.62631  18.99957 17750715  184*18470810 19890909 10.0 15.0 h0F  1.55  x 2  +0.17 -0.0533         Kinoshita           
    Earth    0.6503     18470806.0
  23P/1847 O1    Brorsen-Metcalf             18470910.04730  0.4879260 0.9720883 129.34472 311.97364  19.14907 18470916  184*18470810 19890909 10.0 15.0 h0F  1.55  1 2  +0.17 -0.0533         Kinoshita           
    Earth    0.1986     19190905.75
  23P/1919 Q1    Brorsen-Metcalf             19191017.36282  0.4848773 0.9719594 129.46077 311.90790  19.22110 19191009  184*18470810 19890909 10.0 15.0 h0F  1.55  2 2  +0.17 -0.0533         Kinoshita           
    Earth    0.6238     19890807.75
  23P/1989 N1    Brorsen-Metcalf             19890911.93746  0.4787500 0.9719542 129.61098 311.58558  19.33396 19891001  184*18470810 19890909 10.0 15.0 h0F  1.55  3 2  +0.17 -0.0533         Kinoshita           
  23P            Brorsen-Metcalf            *20590608.73478  0.4827336 0.9720684 129.37033 311.66468  19.29771 20590527  184*18470810 19890909 10.0 15.0 h0F  1.55  x 2  +0.17 -0.0533         Kinoshita           
  23P            Brorsen-Metcalf            *21310512.62217  0.4870633 0.9721680 129.40553 311.66334  19.29919 21310510  184*18470810 19890909 10.0 15.0 h0F  1.55  x 2  +0.17 -0.0533         Kinoshita