123P/West-Hartley

Last updated 2018 Dec. 18

+ Orbit O-C

123P/West-Hartley
From 2217 observations 1989 Mar. 14-2018 Oct. 12, mean residual 0".71.
  Nongravitational parameters A1 = +0.08, A2 = +0.0071.

  Epoch  = 2019 Feb. 6.0 TT              JDT = 2458520.5
      T  = 2019 Feb. 5.1159929133 TT     +/- 0.0002968408       0.0000000006
   Peri. = 103.0103069571                +/- 0.0000879517       0.0000000002
   Node  =  46.4994153298 (2000.0)       +/- 0.0000161992      -0.0000000000
   Incl. =  15.3595962880                +/- 0.0000046142      -0.0000000000
      q  =   2.1268818114 AU             +/- 0.0000001666      -0.0000000000
      e  =   0.4486451336                +/- 0.0000000445      -0.0000000000
     A1  =   0.0801222677                +/- 0.0148703436       0.0000000349
     A2  =   0.0071317281                +/- 0.0001652974      -0.0000000000
      a  =   3.8575551631 AU             +/- 0.0000001125
      n  =   0.1300875864                +/- 0.0000000057
      P  =   7.5764928513 years          +/- 0.0000003314

 123P             West-Hartley               *18920207.97658  2.3252102 0.4319308  90.28630  57.15531  13.16979 18920123 2217 19890314 20181012  7.0 20.0 h3E3 0.7  x 2  +0.08 +0.0071         Kinoshita  P    8.28   4.0931814                 
 123P             West-Hartley               *19000522.52853  2.3193962 0.4324972  90.44328  57.05015  13.17471 19000521 2217 19890314 20181012  7.0 20.0 h3E3 0.7  x 2  +0.08 +0.0071         Kinoshita  P    8.26   4.0870216                 
 123P             West-Hartley               *19080910.37816  2.3383114 0.4309876  91.14446  56.68201  13.11245 19080916 2217 19890314 20181012  7.0 20.0 h3E3 0.7  x 2  +0.08 +0.0071         Kinoshita  P    8.33   4.1094205                 
 123P             West-Hartley               *19161231.74988  2.3348263 0.4311673  91.12686  56.62400  13.12760 19170112 2217 19890314 20181012  7.0 20.0 h3E3 0.7  x 2  +0.08 +0.0071         Kinoshita  P    8.32   4.1045921                 
 123P             West-Hartley               *19250505.05426  2.3405954 0.4305203  91.35811  56.51448  13.12098 19250510 2217 19890314 20181012  7.0 20.0 h3E3 0.7  x 2  +0.08 +0.0071         Kinoshita  P    8.33   4.1100597                 
 123P             West-Hartley               *19330823.61057  2.3262385 0.4322877  91.33559  56.48162  13.13056 19330905 2217 19890314 20181012  7.0 20.0 h3E3 0.7  x 2  +0.08 +0.0071         Kinoshita  P    8.29   4.0975660                 
    Jupiter  0.7905     19391225.5
 123P             West-Hartley               *19411114.69994  2.2300524 0.4400167  96.52498  52.74969  13.96345 19411122 2217 19890314 20181012  7.0 20.0 h3E3 0.7  x 2  +0.08 +0.0071         Kinoshita  P    7.95   3.9823555                 
 123P             West-Hartley               *19491104.41873  2.2404095 0.4388570  96.68442  52.67110  13.95172 19491120 2217 19890314 20181012  7.0 20.0 h3E3 0.7  x 2  +0.08 +0.0071         Kinoshita  P    7.98   3.9925820                 
 123P             West-Hartley               *19571017.81385  2.2262735 0.4404287  96.69322  52.62433  13.96671 19571009 2217 19890314 20181012  7.0 20.0 h3E3 0.7  x 2  +0.08 +0.0071         Kinoshita  P    7.94   3.9785341                 
    Jupiter  0.6838     19630921.6
 123P             West-Hartley               *19650831.08911  2.1758273 0.4424128 101.66349  47.43562  15.19910 19650828 2217 19890314 20181012  7.0 20.0 h3E3 0.7  x 2  +0.08 +0.0071         Kinoshita  P    7.71   3.9022188                 
 123P             West-Hartley               *19730524.43940  2.1869659 0.4409106 101.77586  47.36880  15.18660 19730607 2217 19890314 20181012  7.0 20.0 h3E3 0.7  x 2  +0.08 +0.0071         Kinoshita  P    7.74   3.9116570                 
 123P             West-Hartley               *19810208.31099  2.1733759 0.4427023 101.78663  47.32318  15.20202 19810205 2217 19890314 20181012  7.0 20.0 h3E3 0.7  x 2  +0.08 +0.0071         Kinoshita  P    7.70   3.8998471                 
 123P/1989 E3     West-Hartley                19881006.41825  2.1289685 0.4481127 102.66869  46.81246  15.35100 19881006 2217 19890314 20181012  7.0 20.0 h3E3 0.7  1 2  +0.08 +0.0071         Kinoshita  P    7.58   3.8576148                 
 123P/1995 S2     West-Hartley                19960512.90484  2.1329604 0.4477831 102.97512  46.66595  15.34616 19960427 2217 19890314 20181012  7.0 20.0 h3E3 0.7  2 2  +0.08 +0.0071         Kinoshita  P    7.59   3.8625407                 
 123P             West-Hartley                20031209.12779  2.1286886 0.4485061 102.91898  46.62011  15.34681 20031227 2217 19890314 20181012  7.0 20.0 h3E3 0.7  3 2  +0.08 +0.0071         Kinoshita  P    7.58   3.8598589                 
 123P             West-Hartley                20110704.47259  2.1289030 0.4483581 102.82350  46.59917  15.35707 20110718 2217 19890314 20181012  7.0 20.0 h3E3 0.7  4 2  +0.08 +0.0071         Kinoshita  P    7.58   3.8592116                 
 123P             West-Hartley                20190205.11599  2.1268818 0.4486451 103.01031  46.49942  15.35960 20190206 2217 19890314 20181012  7.0 20.0 h3E3 0.7  5 2  +0.08 +0.0071         Kinoshita  P    7.58   3.8575552                 
 123P             West-Hartley               *20260921.86737  2.1587499 0.4446901 103.87509  45.84765  15.28139 20261007 2217 19890314 20181012  7.0 20.0 h3E3 0.7  x 2  +0.08 +0.0071         Kinoshita  P    7.66   3.8874689                 
 123P             West-Hartley               *20340522.69069  2.1694057 0.4432145 103.75535  45.84414  15.27151 20340607 2217 19890314 20181012  7.0 20.0 h3E3 0.7  x 2  +0.08 +0.0071         Kinoshita  P    7.69   3.8963045                 
 123P             West-Hartley               *20420128.87026  2.1608985 0.4442506 103.93565  45.74229  15.28240 20420205 2217 19890314 20181012  7.0 20.0 h3E3 0.7  x 2  +0.08 +0.0071         Kinoshita  P    7.67   3.8882608                 
 123P             West-Hartley               *20491016.71637  2.2098947 0.4386793 106.85379  41.75172  15.00473 20491006 2217 19890314 20181012  7.0 20.0 h3E3 0.7  x 2  +0.08 +0.0071         Kinoshita  P    7.81   3.9369554                 
 123P             West-Hartley               *20570814.24810  2.2250855 0.4364239 106.95988  41.67341  14.99700 20570825 2217 19890314 20181012  7.0 20.0 h3E3 0.7  x 2  +0.08 +0.0071         Kinoshita  P    7.84   3.9481543                 
 123P             West-Hartley               *20650614.13166  2.2122901 0.4380305 107.06816  41.58286  15.01170 20650604 2217 19890314 20181012  7.0 20.0 h3E3 0.7  x 2  +0.08 +0.0071         Kinoshita  P    7.81   3.9366732                 
 123P             West-Hartley               *20730319.18416  2.2384179 0.4352741 108.69553  37.30320  14.93893 20730314 2217 19890314 20181012  7.0 20.0 h3E3 0.7  x 2  +0.08 +0.0071         Kinoshita  P    7.89   3.9637249                 
 123P             West-Hartley               *20810212.34520  2.2512797 0.4336863 108.69705  37.26575  14.92371 20810131 2217 19890314 20181012  7.0 20.0 h3E3 0.7  x 2  +0.08 +0.0071         Kinoshita  P    7.93   3.9753230                 
 123P             West-Hartley               *20890111.43247  2.2410485 0.4346283 108.80287  37.17231  14.93976 20890129 2217 19890314 20181012  7.0 20.0 h3E3 0.7  x 2  +0.08 +0.0071         Kinoshita  P    7.89   3.9638500                 
 123P             West-Hartley               *20961111.98403  2.2665474 0.4319968 110.23768  32.92584  14.90657 20961108 2217 19890314 20181012  7.0 20.0 h3E3 0.7  x 2  +0.08 +0.0071         Kinoshita  P    7.97   3.9903778                 
 123P             West-Hartley               *21041107.80167  2.2816390 0.4299684 110.23340  32.90372  14.89172 21041107 2217 19890314 20181012  7.0 20.0 h3E3 0.7  x 2  +0.08 +0.0071         Kinoshita  P    8.01   4.0026533                 
		
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