1P/Halley

Last updated 2003 Oct. 3

+ Orbit

1P/Halley
From 6163 observations 1835 Aug. 28-2003 Mar. 8, mean residual 1".05.
  Nongravitational parameters A1 = +0.11, A2 = +0.0156.

  Epoch  = 1986 Feb. 19.0 TT             JDT = 2446480.5
      T  = 1986 Feb. 9.4588391653 TT     +/- 0.0000308081       0.0000008353
   Peri. = 111.8654813974                +/- 0.0000142547       0.0000026495
   Node  =  58.8600325448 (2000.0)       +/- 0.0000089094      -0.0000003145
   Incl. = 162.2421873834                +/- 0.0000073477      -0.0000001134
      q  =   0.5871024710 AU             +/- 0.0000000313      -0.0000000080
      e  =   0.9672737541                +/- 0.0000000017       0.0000000004
     A1  =   0.1129776425                +/- 0.0013141104       0.0002971668
     A2  =   0.0155501352                +/- 0.0000002370       0.0000000274
      a  =  17.9398050401 AU             +/- 0.0000000738
      n  =   0.0129711205                +/- 0.0000000001
      P  =  75.9847744371 years          +/- 0.0000004686

   1P            Halley                      16071027.80417  0.5836432 0.9674990 107.55070  53.77030 162.90117 16071113 6163*18350828 20030308  2.0 15.0 h3E  1.05 25 2  +0.11 +0.0156         Kinoshita           
    Earth    0.4232 AU  16820831.75 TT
   1P            Halley                      16820915.29879  0.5826215 0.9679283 109.22440  55.56806 162.26467 16820831 6163*18350828 20030308  2.0 15.0 h3E  1.05 26 2  +0.11 +0.0156         Kinoshita           
   1P            Halley                      17590313.04014  0.5844668 0.9676856 110.70982  57.24586 162.37238 17590321 6163*18350828 20030308  2.0 15.0 h3E  1.05 27 2  +0.11 +0.0156         Kinoshita           
   Earth     0.1224     17590426.0
   1P            Halley                      18351116.43954  0.5865636 0.9673928 110.70474  57.51840 162.25871 18351118 6163*18350828 20030308  2.0 15.0 h3E  1.05 28 2  +0.11 +0.0156         Kinoshita           
   1P            Halley                      19100420.17865  0.5872086 0.9673013 111.73731  58.56266 162.21850 19100509 6163*18350828 20030308  2.0 15.0 h3E  1.05 29 2  +0.11 +0.0156         Kinoshita           
    Earth    0.1514     19100520.5
   1P            Halley                      19860209.45884  0.5871025 0.9672738 111.86548  58.86003 162.24219 19860219 6163*18350828 20030308  2.0 15.0 h3E  1.05 30 2  +0.11 +0.0156         Kinoshita           
    Earth    0.4172     19860410.9
    Jupiter  0.9835     20600909.6
   1P            Halley                     *20610728.72070  0.5927808 0.9665741 112.05174  59.39240 161.96509 20610804 6163*18350828 20030308  4.0 15.0 h3E  1.05  x 2  +0.11 +0.0156         Kinoshita           
    Earth    0.5543     20610804.1
   1P            Halley                     *21340327.89671  0.5932118 0.9666402 114.00621  61.30765 161.74851 21340315 6163*18350828 20030308  4.0 15.0 h3E  1.05  x 2  +0.11 +0.0156         Kinoshita           
    Earth    0.0916     21340507.5
		
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