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Re: [stereohunter] Unknown HI1b fuzzy

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  • Rainer Kracht
    Hi all, with Man-To s measurements in STEREO COR2B I have found a low inclination short period orbit (P~4 years) for the new comet. The orbital elements were
    Message 1 of 42 , Jan 23, 2012
      Hi all,

      with Man-To's measurements in STEREO COR2B I have found a
      low inclination short period orbit (P~4 years) for the new
      comet.

      The orbital elements were similar to those of C/2003 T12
      (SOHO-673 observed in C3), for which Brian Marsden noted:
      "It is possible that C/2003 T12 has a short period".
      (http://www.minorplanetcenter.net/iau/mpec/K04/K04K33.html)

      I could link the observations from both apparitions as:


      Ecliptic Osculating Elements (J2000.0) at JD 2452928.500000 Date: 2003/10/16:00:00:00.00
      Body e i w Node q JD-Tp
      CK03T120 0.771381226 12.0864074 214.5221165 179.1713600 0.589144588 -0.2407904

      Ecliptic Osculating Elements (J2000.0) at JD 2455952.500000 Date: 2012/01/26:00:00:00.00
      Body e i w Node q JD-Tp
      CK03T120 0.775932114 11.4780256 217.5091602 176.4741890 0.575542927 -0.4140515


      with convincing residuals:

      No Time d|r| (Gm) dRho (Gm) dRA*(") dDec (") dAng (")

      4 20031009.431332 4.974E-02 0.000E+00 58.430 -35.914 68.585
      5 20031009.446642 1.045E-02 -2.842E-14 14.353 1.208 14.404
      6 20031009.471642 6.749E-03 -2.842E-14 -9.305 -0.116 9.306
      7 20031009.488302 2.939E-02 0.000E+00 35.072 20.300 40.523
      8 20031009.555112 3.725E-02 -5.684E-14 -34.858 37.712 51.354
      9 20031009.571642 2.192E-02 -2.842E-14 4.071 29.950 30.226
      10 20031009.614182 1.521E-02 -5.684E-14 -15.367 -14.277 20.976
      11 20031009.638302 1.962E-02 -2.842E-14 25.032 -10.246 27.048
      12 20031009.654982 1.274E-02 -5.684E-14 10.460 -14.117 17.570
      14 20031009.696642 2.486E-02 -2.842E-14 -3.624 34.084 34.276
      15 20031009.721642 8.172E-03 0.000E+00 -8.920 -6.885 11.268
      16 20031009.738312 9.737E-03 0.000E+00 10.055 -8.896 13.426
      17 20031009.763302 5.976E-03 -2.842E-14 -7.186 4.031 8.239
      18 20031009.779972 2.343E-02 -5.684E-14 -16.212 27.949 32.311
      19 20031009.822522 1.207E-02 -2.842E-14 -11.710 11.819 16.637
      20 20031009.846642 2.149E-02 -2.842E-14 -8.669 28.329 29.626
      21 20031009.863302 2.835E-03 0.000E+00 2.624 -2.898 3.910
      22 20031009.888602 1.066E-02 2.842E-14 13.509 5.781 14.694
      23 20031009.904972 3.363E-03 -5.684E-14 0.712 -4.582 4.637
      24 20031009.929972 1.682E-02 -5.684E-14 -9.667 -21.079 23.190
      25 20031009.971732 2.833E-02 -2.842E-14 38.595 -6.026 39.063
      26 20031009.988302 4.013E-03 0.000E+00 4.928 2.516 5.533
      27 20031010.013312 1.562E-02 -2.842E-14 10.482 18.810 21.534
      28 20031010.029972 7.228E-03 -2.842E-14 -3.578 9.302 9.966
      29 20031010.072472 6.861E-03 -2.842E-14 9.415 -0.918 9.459
      30 20031010.096642 3.498E-02 -2.842E-14 -14.490 -46.005 48.233
      31 20031010.113302 2.129E-02 0.000E+00 0.627 29.347 29.354
      32 20031010.138302 3.780E-02 -5.684E-14 21.824 47.324 52.114
      33 20031010.154972 1.904E-02 -2.842E-14 -24.796 8.613 26.249
      34 20031010.179972 7.628E-03 -8.527E-14 -0.819 10.485 10.517
      35 20031010.196652 1.945E-02 -5.684E-14 2.472 26.702 26.816
      36 20031010.221642 1.923E-02 -5.684E-14 7.128 -25.532 26.509
      37 20031010.238312 4.031E-02 -2.842E-14 23.465 -50.388 55.584
      38 20031010.263302 4.227E-02 -5.684E-14 42.646 -39.720 58.279
      39 20031010.279972 5.323E-02 0.000E+00 -73.324 3.355 73.400
      40 20031010.322482 2.419E-03 0.000E+00 1.291 3.075 3.335
      41 20031010.346642 8.502E-03 -2.842E-14 -8.910 -7.617 11.722
      42 20031010.363302 1.094E-02 -5.684E-14 9.968 11.318 15.082
      43 20031010.404972 1.323E-02 -2.842E-14 18.178 1.545 18.244
      44 20031010.431372 6.353E-03 -5.684E-14 -8.242 -2.968 8.760
      45 20031010.446642 5.689E-02 -5.684E-14 -48.806 -61.400 78.435
      46 20031010.471642 1.692E-02 2.842E-14 18.076 14.747 23.328
      47 20031010.488302 4.353E-02 -2.842E-14 -13.332 -58.518 60.017
      48 20031010.513302 5.697E-02 -8.527E-14 3.435 -78.474 78.549
      49 20031010.614202 4.063E-02 -2.842E-14 -5.374 -55.756 56.015
      51 20031010.654972 1.270E-02 -2.842E-14 -6.381 16.312 17.516
      52 20031010.679972 1.527E-02 0.000E+00 -0.623 -21.045 21.054
      53 20031010.696642 1.722E-02 2.842E-14 -23.747 0.347 23.749
      54 20031010.721942 1.085E-02 -5.684E-14 -13.252 6.933 14.956
      55 20031010.738302 6.379E-03 -5.684E-14 -0.371 -8.788 8.795
      56 20031010.763302 1.644E-02 -2.842E-14 0.608 22.653 22.662
      57 20031010.779972 2.608E-02 0.000E+00 -18.362 30.916 35.958
      58 20031010.822532 2.890E-02 -2.842E-14 39.701 -3.438 39.850
      59 20031010.846642 1.872E-02 -5.684E-14 5.038 -25.312 25.809
      60 20031010.863302 1.655E-02 2.842E-14 -11.320 19.816 22.821
      61 20031010.888502 3.061E-02 -8.527E-14 -41.917 4.977 42.211
      62 20031010.904972 1.423E-02 0.000E+00 -12.660 -14.986 19.618
      63 20031010.929972 1.106E-02 0.000E+00 -8.059 -12.945 15.249
      64 20031010.971742 5.044E-02 -2.842E-14 65.633 23.001 69.546
      65 20031010.988312 1.744E-02 -2.842E-14 11.559 -21.081 24.042
      66 20031011.013302 3.500E-02 -2.842E-14 6.883 47.761 48.254
      67 20031011.072502 1.641E-02 -5.684E-14 -4.061 22.261 22.628
      68 20031011.113302 5.150E-03 -2.842E-14 -6.931 1.545 7.101
      69 20031011.180042 3.619E-02 -5.684E-14 8.193 49.220 49.898
      70 20031011.221742 1.997E-02 -5.684E-14 4.430 27.181 27.540
      71 20031011.238302 4.681E-02 -2.842E-14 -15.292 62.711 64.548
      72 20031011.263302 2.925E-02 -2.842E-14 -38.793 -11.032 40.331
      73 20031011.363302 1.863E-02 -2.842E-14 2.468 -25.573 25.692
      74 20031011.404972 1.563E-02 0.000E+00 -3.103 -21.321 21.546
      75 20120113.226422 6.734E-03 0.000E+00 -8.228 -4.302 9.285
      76 20120113.247252 8.079E-03 -2.842E-14 6.989 -8.675 11.140
      77 20120113.268082 1.365E-02 -2.842E-14 18.778 1.239 18.818
      78 20120113.288922 4.664E-03 0.000E+00 -2.679 -5.846 6.430
      79 20120113.309752 5.583E-03 -5.684E-14 -5.902 4.941 7.697
      80 20120113.330582 1.396E-02 -2.842E-14 -16.610 9.714 19.242
      81 20120113.351422 3.149E-03 0.000E+00 2.263 -3.706 4.342
      82 20120113.372252 1.238E-02 -2.842E-14 -16.395 4.763 17.073
      83 20120113.393082 9.008E-03 -2.842E-14 0.779 12.396 12.421
      84 20120113.413922 2.947E-03 -2.842E-14 -4.048 -0.360 4.064
      85 20120113.434752 1.152E-02 0.000E+00 1.865 15.769 15.879
      86 20120113.455582 5.532E-03 -5.684E-14 -2.097 -7.333 7.627
      87 20120113.476412 2.271E-03 0.000E+00 0.521 3.088 3.131
      88 20120113.497252 5.324E-03 -2.842E-14 5.306 5.073 7.341
      89 20120113.518082 3.645E-03 2.842E-14 -1.242 -4.870 5.026
      90 20120113.538912 9.369E-03 0.000E+00 12.918 -0.089 12.919
      91 20120113.559752 9.915E-03 -2.842E-14 8.680 10.561 13.670
      92 20120113.580582 2.721E-03 -8.527E-14 2.874 2.412 3.751
      93 20120113.601412 1.071E-02 -5.684E-14 -14.760 0.415 14.766
      94 20120113.622252 4.829E-03 -5.684E-14 4.083 5.258 6.658
      95 20120113.643082 3.682E-03 0.000E+00 -4.868 -1.441 5.076
      96 20120113.663912 1.855E-03 -2.842E-14 -2.449 0.738 2.558
      97 20120113.684752 4.812E-03 -2.842E-14 -4.313 5.042 6.635
      98 20120113.705582 2.415E-03 -2.842E-14 -2.800 1.803 3.330
      99 20120113.726412 3.080E-03 -2.842E-14 3.960 -1.535 4.247
      100 20120113.747252 1.866E-03 -2.842E-14 2.232 -1.280 2.573
      101 20120113.768082 9.762E-04 -5.684E-14 -1.230 0.547 1.346
      102 20120113.788912 2.207E-03 0.000E+00 1.908 2.371 3.043
      103 20120113.809752 3.610E-03 -5.684E-14 -1.349 4.791 4.977
      104 20120113.830582 6.602E-03 0.000E+00 2.977 8.602 9.103
      105 20120113.851412 3.107E-03 -2.842E-14 4.284 -0.014 4.284
      106 20120113.872252 1.346E-03 -5.684E-14 -1.250 1.373 1.856
      107 20120113.893082 4.958E-03 -5.684E-14 -6.702 1.345 6.836
      108 20120113.913912 1.659E-03 -5.684E-14 -2.265 -0.314 2.287
      109 20120113.934752 8.115E-03 2.842E-14 10.461 -3.970 11.189
      110 20120113.955582 3.312E-03 -2.842E-14 -2.075 4.068 4.567
      111 20120113.976412 5.921E-03 0.000E+00 -7.421 3.404 8.164
      112 20120113.997252 5.738E-04 -5.684E-14 0.784 0.103 0.791
      113 20120114.018082 5.662E-03 0.000E+00 7.249 -2.897 7.807
      114 20120114.038912 3.427E-03 -2.842E-14 -4.570 1.201 4.725
      115 20120114.059752 1.967E-03 0.000E+00 -2.712 -0.005 2.712
      116 20120114.080582 1.009E-03 -2.842E-14 -1.368 0.252 1.391
      117 20120114.101412 1.570E-03 0.000E+00 2.052 -0.689 2.165
      118 20120114.122252 8.558E-04 -5.684E-14 -0.168 1.168 1.180
      119 20120114.143082 6.455E-03 -5.684E-14 -8.310 3.188 8.901
      120 20120114.163912 1.317E-03 0.000E+00 -1.029 -1.496 1.816
      121 20120114.184752 2.256E-03 -2.842E-14 2.998 0.828 3.111
      122 20120114.205582 3.404E-03 0.000E+00 -4.579 1.032 4.693
      123 20120114.226412 6.887E-03 0.000E+00 -9.482 0.511 9.495
      124 20120114.247252 3.301E-03 -5.684E-14 -1.157 -4.403 4.552
      125 20120114.268082 2.111E-03 -5.684E-14 1.700 -2.363 2.911
      126 20120114.288912 1.788E-03 -2.842E-14 2.300 -0.888 2.466
      127 20120114.309752 3.761E-03 0.000E+00 -5.166 0.450 5.185
      128 20120114.330582 6.309E-04 -5.684E-14 -0.864 -0.104 0.870
      129 20120114.351412 2.660E-03 -5.684E-14 1.783 -3.205 3.667
      130 20120114.372252 1.602E-03 -5.684E-14 0.871 2.031 2.209
      131 20120114.393082 1.072E-03 -2.842E-14 -0.566 -1.366 1.479
      132 20120114.413912 1.750E-03 -5.684E-14 0.220 -2.403 2.413
      133 20120114.434752 1.422E-03 2.842E-14 -1.951 0.200 1.961
      134 20120114.455582 1.541E-03 -2.842E-14 0.599 -2.038 2.124
      135 20120114.476412 1.363E-03 -2.842E-14 1.636 0.926 1.880
      136 20120114.497252 2.789E-03 -5.684E-14 2.105 -3.218 3.845
      137 20120114.518082 5.113E-04 -5.684E-14 0.105 -0.697 0.705
      138 20120114.538912 1.525E-03 -2.842E-14 -0.723 -1.974 2.102
      139 20120114.559752 1.896E-03 -5.684E-14 0.579 -2.549 2.614
      140 20120114.580582 1.055E-03 -5.684E-14 -0.737 -1.254 1.455
      141 20120114.601412 5.012E-03 -2.842E-14 2.422 -6.472 6.911
      142 20120114.622252 4.749E-03 -2.842E-14 -5.927 -2.783 6.548
      143 20120114.643082 4.553E-03 -2.842E-14 -6.113 -1.429 6.278
      144 20120114.663912 5.190E-03 -2.842E-14 -1.220 -7.051 7.155
      145 20120114.684742 5.157E-03 -5.684E-14 -5.948 -3.897 7.111
      146 20120114.705582 2.264E-03 -2.842E-14 0.905 -2.988 3.122
      147 20120114.726412 2.675E-03 -8.527E-14 2.575 -2.640 3.688
      148 20120114.747242 4.215E-03 -5.684E-14 3.771 -4.422 5.812
      149 20120114.768082 3.669E-03 -5.684E-14 3.208 -3.912 5.059
      150 20120114.788912 4.701E-03 -2.842E-14 6.460 -0.531 6.481
      151 20120114.809742 4.767E-03 0.000E+00 -5.609 -3.425 6.572
      152 20120114.830582 2.146E-03 -5.684E-14 0.795 -2.850 2.959
      153 20120114.851412 2.554E-03 -2.842E-14 -2.476 -2.504 3.522
      154 20120114.872242 1.002E-03 -5.684E-14 1.272 -0.539 1.381
      155 20120114.893082 1.522E-03 -5.684E-14 -0.644 -1.998 2.099
      156 20120114.913912 2.949E-03 0.000E+00 3.655 -1.782 4.066
      157 20120114.934742 4.871E-03 -5.684E-14 -6.170 -2.651 6.715
      158 20120114.955582 3.775E-03 -5.684E-14 0.823 -5.140 5.205
      159 20120114.976412 2.987E-03 0.000E+00 1.734 -3.736 4.119
      160 20120114.997242 2.787E-03 0.000E+00 3.374 -1.839 3.842
      161 20120115.018072 1.448E-03 0.000E+00 -1.461 -1.362 1.997
      162 20120115.038902 2.037E-03 -5.684E-14 -0.778 2.698 2.808
      163 20120115.059742 3.800E-03 -2.842E-14 0.230 -5.234 5.239
      164 20120115.080572 3.315E-03 0.000E+00 0.851 -4.491 4.571
      165 20120115.101402 1.296E-03 -2.842E-14 -1.704 0.540 1.787
      166 20120115.122242 2.039E-03 -2.842E-14 -1.234 -2.526 2.811
      167 20120115.143073 4.217E-04 -5.684E-14 -0.548 -0.194 0.581
      168 20120115.163902 2.548E-03 -5.684E-14 -0.340 -3.497 3.513
      169 20120115.184742 1.682E-03 0.000E+00 2.285 -0.391 2.319
      170 20120115.205573 1.390E-03 0.000E+00 1.675 -0.930 1.916
      171 20120115.226402 4.062E-04 -5.684E-14 -0.310 0.466 0.560
      172 20120115.247242 1.841E-03 -2.842E-14 2.076 -1.461 2.539
      173 20120115.268073 1.582E-03 0.000E+00 1.365 -1.701 2.181
      174 20120115.288903 1.654E-03 0.000E+00 -2.067 -0.965 2.281
      175 20120115.309743 2.237E-03 0.000E+00 -0.832 2.969 3.084
      176 20120115.330573 1.246E-03 2.842E-14 1.670 -0.403 1.718
      177 20120115.351403 6.500E-04 -2.842E-14 -0.815 -0.372 0.896
      178 20120115.372243 2.091E-03 -2.842E-14 2.271 -1.776 2.883
      179 20120115.393073 1.911E-03 -2.842E-14 -0.281 2.620 2.635
      180 20120115.413903 1.482E-03 -2.842E-14 1.928 -0.677 2.043
      181 20120115.434743 1.463E-03 -5.684E-14 0.714 1.887 2.018
      182 20120115.455573 2.224E-03 -5.684E-14 1.355 2.750 3.066
      183 20120115.476403 4.563E-03 -2.842E-14 5.407 3.216 6.291
      184 20120115.497243 3.774E-03 0.000E+00 4.536 -2.552 5.204
      185 20120115.518073 1.259E-03 0.000E+00 1.623 -0.616 1.736
      186 20120115.538903 3.410E-03 -5.684E-14 4.521 -1.292 4.702
      187 20120115.559743 6.778E-04 -5.684E-14 0.546 -0.759 0.935
      188 20120115.580573 9.021E-04 -2.842E-14 0.673 1.046 1.244
      189 20120115.601403 1.622E-03 -5.684E-14 2.105 -0.757 2.237
      190 20120115.622243 1.516E-03 -5.684E-14 -1.985 -0.655 2.091
      191 20120115.643073 1.086E-03 -2.842E-14 -0.171 -1.487 1.497
      192 20120115.663903 2.279E-03 -5.684E-14 -0.648 3.074 3.142
      193 20120115.684743 1.716E-03 -5.684E-14 2.340 0.349 2.366
      194 20120115.705573 1.091E-03 0.000E+00 0.290 1.476 1.504
      195 20120115.726403 1.676E-03 -2.842E-14 -1.656 1.612 2.310
      196 20120115.747243 3.668E-03 -5.684E-14 4.817 -1.539 5.057
      197 20120115.768073 1.204E-03 -2.842E-14 -1.552 0.589 1.660
      198 20120115.788903 2.374E-03 -2.842E-14 -2.859 1.594 3.273
      199 20120115.809743 2.806E-03 0.000E+00 -3.110 2.303 3.869
      200 20120115.830573 1.414E-03 -2.842E-14 0.298 -1.927 1.950
      201 20120115.851403 1.653E-03 2.842E-14 -1.733 1.480 2.279
      202 20120115.872243 8.833E-04 -2.842E-14 -1.209 0.148 1.218
      203 20120115.893073 4.062E-03 -5.684E-14 2.078 -5.201 5.601
      204 20120115.913913 4.262E-03 -5.684E-14 4.771 -3.430 5.876
      205 20120115.934743 3.521E-03 0.000E+00 4.818 -0.591 4.854
      206 20120115.955573 2.411E-03 -5.684E-14 3.324 0.024 3.324
      207 20120115.976413 7.458E-04 -2.842E-14 -0.858 0.566 1.028
      208 20120115.997243 8.081E-04 0.000E+00 1.008 0.475 1.114
      209 20120116.018073 8.469E-04 -5.684E-14 -0.613 0.994 1.168
      210 20120116.038913 2.215E-03 0.000E+00 0.479 -3.016 3.054
      211 20120116.059743 1.342E-03 -2.842E-14 -1.831 0.263 1.850
      212 20120116.080573 3.600E-03 -2.842E-14 -3.141 3.843 4.963
      213 20120116.101413 6.087E-04 2.842E-14 -0.081 0.835 0.839
      214 20120116.122243 3.001E-03 0.000E+00 3.616 -2.013 4.138
      215 20120116.143073 1.870E-03 0.000E+00 0.829 2.442 2.578
      216 20120116.163913 2.859E-03 -2.842E-14 3.895 -0.605 3.942
      217 20120116.184743 2.930E-03 -5.684E-14 4.008 0.513 4.040
      218 20120116.205573 2.639E-03 -2.842E-14 0.028 3.639 3.639
      219 20120116.226413 2.150E-03 -2.842E-14 -0.039 2.965 2.965
      220 20120116.247243 3.233E-03 -2.842E-14 2.039 3.964 4.458
      221 20120116.268073 3.539E-03 -2.842E-14 -2.385 4.257 4.880
      222 20120116.288913 4.154E-03 -5.684E-14 4.151 -3.945 5.727
      223 20120116.309743 2.105E-03 -8.527E-14 0.536 2.852 2.902
      224 20120116.330573 2.430E-03 0.000E+00 -0.421 3.323 3.350
      225 20120116.351413 2.311E-03 -5.684E-14 -3.183 -0.144 3.187
      226 20120116.372243 9.059E-04 -5.684E-14 -1.243 0.126 1.249
      227 20120116.393073 1.366E-03 0.000E+00 1.397 1.264 1.883
      228 20120116.413913 2.398E-04 -5.684E-14 -0.314 0.105 0.331
      229 20120116.434743 1.995E-03 -2.842E-14 0.133 2.748 2.751
      230 20120116.455573 1.598E-03 0.000E+00 -2.174 0.358 2.204
      RMS -------------- 1.455E-02 3.938E-14 12.756 15.492 20.068


      Regards, Rainer
    • Alan Watson
      Thanks for the feed back Maik. rgds, Alan ... -- Kind regards, Alan Watson
      Message 42 of 42 , Jan 30, 2012
        Thanks for the feed back Maik.
        rgds, Alan

        On Tue, Jan 31, 2012 at 5:05 PM, Maik Meyer <maik@...> wrote:
         

        Alan,



        > Any chance that this comet may be the remnant of D/1766 G1 Helfenzrieder?
        >
        > What are the orbital parameters that substantially drift over time for this
        > current orbit?

        this is impossible to say. The orbit of this comet is so badly determined, so many
        revolutions "away" and affected by many close approaches to Jupiter that its
        current orbit can be almost everyone that is possible.

        > and for that matter time in reverse?

        Of course it makes more sense to backward integrate P/2003 T12. I may have a look
        at it as time allows - have to get the kids to school and go to work. ;)

        Cheers, Maik

        --
        If they give you ruled paper, write the other way. * Juan Ramon Jimenez
        __________________________________________________________
        maik@... http://www.comethunter.de
        International Comet Quarterly http://cfa-www.harvard.edu/icq/icq.html
        http://groups.yahoo.com/group/comets-ml




        --
        Kind regards, Alan Watson

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