123P/West-Hartley

Last updated 2017 Oct. 9

+ Orbit O-C

123P/West-Hartley
From 2151 observations 1989 Mar. 14-2017 Sept. 27, mean residual 0".69.
  Nongravitational parameters A1 = +0.14, A2 = +0.0034.

  Epoch  = 2019 Feb. 6.0 TT              JDT = 2458520.5
      T  = 2019 Feb. 5.1120457633 TT     +/- 0.0003372356       0.0000000001
   Peri. = 103.0097909041                +/- 0.0000960874       0.0000000000
   Node  =  46.4994532236 (2000.0)       +/- 0.0000161555       0.0000000001
   Incl. =  15.3595809413                +/- 0.0000045789      -0.0000000000
      q  =   2.1268792545 AU             +/- 0.0000002044       0.0000000000
      e  =   0.4486452912                +/- 0.0000000583      -0.0000000000
     A1  =   0.1413901369                +/- 0.0175843721       0.0000000119
     A2  =   0.0034027911                +/- 0.0002540895      -0.0000000003
      a  =   3.8575516280 AU             +/- 0.0000001429
      n  =   0.1300877652                +/- 0.0000000072
      P  =   7.5764824367 years          +/- 0.0000004209

 123P             West-Hartley               *18920207.80966  2.3252088 0.4319298  90.28965  57.15122  13.17068 18920123 2151 19890314 20170927  7.0 20.0 h3E2 0.7  x 2  +0.14 +0.0034         Kinoshita  P    8.28   4.0931712                 
 123P             West-Hartley               *19000522.34568  2.3193907 0.4324962  90.44654  57.04607  13.17561 19000521 2151 19890314 20170927  7.0 20.0 h3E2 0.7  x 2  +0.14 +0.0034         Kinoshita  P    8.26   4.0870044                 
 123P             West-Hartley               *19080910.20027  2.3383343 0.4309835  91.14834  56.67748  13.11326 19080916 2151 19890314 20170927  7.0 20.0 h3E2 0.7  x 2  +0.14 +0.0034         Kinoshita  P    8.33   4.1094317                 
 123P             West-Hartley               *19161231.58964  2.3348629 0.4311618  91.13050  56.61957  13.12839 19170112 2151 19890314 20170927  7.0 20.0 h3E2 0.7  x 2  +0.14 +0.0034         Kinoshita  P    8.32   4.1046172                 
 123P             West-Hartley               *19250504.91938  2.3406285 0.4305150  91.36168  56.51005  13.12177 19250510 2151 19890314 20170927  7.0 20.0 h3E2 0.7  x 2  +0.14 +0.0034         Kinoshita  P    8.33   4.1100789                 
 123P             West-Hartley               *19330823.49922  2.3262742 0.4322824  91.33909  56.47719  13.13135 19330905 2151 19890314 20170927  7.0 20.0 h3E2 0.7  x 2  +0.14 +0.0034         Kinoshita  P    8.29   4.0975906                 
    Jupiter  0.7908     19391225.5
 123P             West-Hartley               *19411114.61820  2.2300692 0.4400158  96.52532  52.74935  13.96345 19411122 2151 19890314 20170927  7.0 20.0 h3E2 0.7  x 2  +0.14 +0.0034         Kinoshita  P    7.95   3.9823784                 
 123P             West-Hartley               *19491104.36278  2.2404254 0.4388560  96.68467  52.67075  13.95173 19491120 2151 19890314 20170927  7.0 20.0 h3E2 0.7  x 2  +0.14 +0.0034         Kinoshita  P    7.98   3.9926034                 
 123P             West-Hartley               *19571017.78153  2.2262893 0.4404277  96.69339  52.62399  13.96672 19571009 2151 19890314 20170927  7.0 20.0 h3E2 0.7  x 2  +0.14 +0.0034         Kinoshita  P    7.94   3.9785554                 
    Jupiter  0.6838     19630921.8
 123P             West-Hartley               *19650831.08031  2.1758245 0.4424139 101.66383  47.43565  15.19909 19650828 2151 19890314 20170927  7.0 20.0 h3E2 0.7  x 2  +0.14 +0.0034         Kinoshita  P    7.71   3.9022215                 
 123P             West-Hartley               *19730524.43397  2.1869629 0.4409116 101.77608  47.36882  15.18659 19730607 2151 19890314 20170927  7.0 20.0 h3E2 0.7  x 2  +0.14 +0.0034         Kinoshita  P    7.74   3.9116588                 
 123P             West-Hartley               *19810208.30793  2.1733730 0.4427032 101.78675  47.32321  15.20201 19810205 2151 19890314 20170927  7.0 20.0 h3E2 0.7  x 2  +0.14 +0.0034         Kinoshita  P    7.70   3.8998481                 
 123P/1989 E3     West-Hartley                19881006.41680  2.1289663 0.4481134 102.66867  46.81250  15.35098 19881006 2151 19890314 20170927  7.0 20.0 h3E2 0.7  1 2  +0.14 +0.0034         Kinoshita  P    7.58   3.8576153                 
 123P/1995 S2     West-Hartley                19960512.90442  2.1329581 0.4477836 102.97499  46.66599  15.34614 19960427 2151 19890314 20170927  7.0 20.0 h3E2 0.7  2 2  +0.14 +0.0034         Kinoshita  P    7.59   3.8625403                 
 123P             West-Hartley                20031209.12728  2.1286862 0.4485065 102.91870  46.62015  15.34679 20031227 2151 19890314 20170927  7.0 20.0 h3E2 0.7  3 2  +0.14 +0.0034         Kinoshita  P    7.58   3.8598574                 
 123P             West-Hartley                20110704.47090  2.1289004 0.4483583 102.82310  46.59921  15.35706 20110718 2151 19890314 20170927  7.0 20.0 h3E2 0.7  4 2  +0.14 +0.0034         Kinoshita  P    7.58   3.8592090                 
 123P             West-Hartley                20190205.11205  2.1268793 0.4486453 103.00979  46.49945  15.35958 20190206 2151 19890314 20170927  7.0 20.0 h3E2 0.7  5 2  +0.14 +0.0034         Kinoshita  P    7.58   3.8575516                 
 123P             West-Hartley               *20260921.85998  2.1587471 0.4446902 103.87443  45.84769  15.28137 20261007 2151 19890314 20170927  7.0 20.0 h3E2 0.7  x 2  +0.14 +0.0034         Kinoshita  P    7.66   3.8874643                 
 123P             West-Hartley               *20340522.67889  2.1694029 0.4432145 103.75458  45.84419  15.27149 20340607 2151 19890314 20170927  7.0 20.0 h3E2 0.7  x 2  +0.14 +0.0034         Kinoshita  P    7.69   3.8962992                 
 123P             West-Hartley               *20420128.85299  2.1608956 0.4442505 103.93477  45.74233  15.28238 20420205 2151 19890314 20170927  7.0 20.0 h3E2 0.7  x 2  +0.14 +0.0034         Kinoshita  P    7.67   3.8882545                 
 123P             West-Hartley               *20491016.68980  2.2098891 0.4386793 106.85279  41.75164  15.00471 20491006 2151 19890314 20170927  7.0 20.0 h3E2 0.7  x 2  +0.14 +0.0034         Kinoshita  P    7.81   3.9369460                 
 123P             West-Hartley               *20570814.21224  2.2250798 0.4364239 106.95877  41.67333  14.99697 20570825 2151 19890314 20170927  7.0 20.0 h3E2 0.7  x 2  +0.14 +0.0034         Kinoshita  P    7.84   3.9481446                 
 123P             West-Hartley               *20650614.08510  2.2122840 0.4380306 107.06695  41.58278  15.01168 20650604 2151 19890314 20170927  7.0 20.0 h3E2 0.7  x 2  +0.14 +0.0034         Kinoshita  P    7.81   3.9366625                 
 123P             West-Hartley               *20730319.11786  2.2384087 0.4352742 108.69370  37.30321  14.93898 20730314 2151 19890314 20170927  7.0 20.0 h3E2 0.7  x 2  +0.14 +0.0034         Kinoshita  P    7.89   3.9637090                 
 123P             West-Hartley               *20810212.26335  2.2512703 0.4336865 108.69514  37.26575  14.92376 20810131 2151 19890314 20170927  7.0 20.0 h3E2 0.7  x 2  +0.14 +0.0034         Kinoshita  P    7.93   3.9753073                 
 123P             West-Hartley               *20890111.33249  2.2410381 0.4346285 108.80085  37.17231  14.93981 20890129 2151 19890314 20170927  7.0 20.0 h3E2 0.7  x 2  +0.14 +0.0034         Kinoshita  P    7.89   3.9638331                 
 123P             West-Hartley               *20961111.84725  2.2665327 0.4319968 110.23422  32.92617  14.90680 20961108 2151 19890314 20170927  7.0 20.0 h3E2 0.7  x 2  +0.14 +0.0034         Kinoshita  P    7.97   3.9903520                 
 123P             West-Hartley               *21041107.64043  2.2816240 0.4299686 110.22988  32.90404  14.89195 21041107 2151 19890314 20170927  7.0 20.0 h3E2 0.7  x 2  +0.14 +0.0034         Kinoshita  P    8.01   4.0026289                 
		
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