164P/Christensen 
   From 921 observations 1998 Jan. 24-2018 Oct. 13.(4) Kinoshita
   Epoch = 2019 Oct. 24.0 TT = JDT 2458780.5 
       T = 2018 May 31.32100 TT             peri.= 325.88592 
       e = 0.5396105                        node =  88.30713 (2000.0) 
       q = 1.6847065 AU                     incl.=  16.25322 
   a = 3.6593072 AU          n = 0.14080101         P = 7.00 years 
  m1 = 13.5 + 5log(delta) + 5.0log(r) 
  A. Node = E:12/21.2 JST  O:2018/08/03.3 JST  1.793 AU 
  D. Node = E:06/20.5 JST  O:2016/07/25.8 JST  4.688 AU 

2019   JST     R.A. (2000) D.C.    Delta     r    Elong. Phase   dMo./P.A.   Tail/P.A. M-O Ag   m1     H/A
09/24 18:20   12 32.41  +10 35.2   4.916   3.945   13.1    3.3   16.9/113.8   0.1/ 34   64 24  19.9   +6/ 99
09/25 18:20   12 33.46  +10 28.3   4.920   3.950   13.0    3.3   16.9/113.7   0.1/ 31   50 26  19.9   +5/ 99
09/26 18:10   12 34.50  +10 21.6   4.925   3.954   13.0    3.3   16.9/113.6   0.1/ 28   36 27  19.9   +7/ 98
09/27 18:10   12 35.55  +10 14.8   4.929   3.958   12.9    3.2   16.8/113.5   0.1/ 25   21 28  20.0   +6/ 98
09/28 18:10   12 36.60  +10 08.1   4.933   3.963   12.9    3.2   16.8/113.4   0.1/ 22    9 29  20.0   +5/ 99
09/29 18:10   12 37.64  +10 01.5   4.937   3.967   13.0    3.2   16.8/113.3   0.1/ 19   13  1  20.0   +5/ 99
09/30 18:00   12 38.68  +09 54.9   4.941   3.972   13.0    3.3   16.8/113.1   0.1/ 16   26  2  20.0   +6/ 98
10/01 18:00   12 39.72  +09 48.3   4.945   3.976   13.2    3.3   16.7/113.0   0.1/ 13   39  3  20.0   +5/ 98
10/02 18:00   12 40.76  +09 41.7   4.948   3.980   13.3    3.3   16.7/112.9   0.1/ 10   53  4  20.0   +5/ 98
10/03 18:00   12 41.80  +09 35.2   4.951   3.985   13.5    3.4   16.7/112.8   0.1/  7   66  5  20.0   +4/ 99
10/04 17:50   12 42.83  +09 28.8   4.954   3.989   13.7    3.4   16.6/112.7   0.1/  4   79  6  20.0   +6/ 98
10/05 17:50   12 43.87  +09 22.4   4.957   3.994   13.9    3.5   16.6/112.6   0.1/  1   92  7  20.0   +5/ 98
10/06 17:50   12 44.90  +09 16.0   4.960   3.998   14.2    3.5   16.5/112.5   0.1/359  104  8  20.0   +4/ 98
10/07 05:40   12 45.41  +09 12.9   4.961   4.000   14.4    3.6   16.5/112.4   0.1/357  109  8  20.0   +5/262
10/08 05:40   12 46.44  +09 06.6   4.963   4.005   14.7    3.6   16.5/112.3   0.1/355  121  9  20.0   +5/262
10/09 05:40   12 47.47  +09 00.3   4.965   4.009   15.0    3.7   16.4/112.2   0.1/353  133 10  20.0   +6/263
10/10 05:40   12 48.50  +08 54.1   4.967   4.013   15.4    3.8   16.4/112.1   0.1/350  144 11  20.0   +6/263
10/11 05:30   12 49.52  +08 48.0   4.969   4.018   15.8    3.9   16.4/111.9   0.1/348  155 12  20.0   +5/263
10/12 05:30   12 50.54  +08 41.9   4.971   4.022   16.2    4.0   16.3/111.8   0.1/346  165 13  20.0   +5/263
10/13 05:30   12 51.56  +08 35.8   4.972   4.026   16.7    4.1   16.3/111.7   0.1/344  172 14  20.0   +6/264
10/14 05:30   12 52.58  +08 29.8   4.973   4.031   17.1    4.2   16.2/111.6   0.1/342  166 15  20.0   +6/264
10/15 05:30   12 53.60  +08 23.8   4.974   4.035   17.6    4.3   16.2/111.4   0.1/340  156 16  20.0   +7/265
10/16 05:30   12 54.61  +08 17.9   4.975   4.039   18.1    4.4   16.1/111.3   0.1/338  144 17  20.0   +7/265
10/17 05:30   12 55.62  +08 12.0   4.976   4.044   18.6    4.5   16.1/111.2   0.1/337  132 17  20.0   +8/265
10/18 05:30   12 56.63  +08 06.2   4.976   4.048   19.1    4.6   16.0/111.1   0.1/335  120 18  20.0   +8/266
10/19 05:30   12 57.64  +08 00.4   4.977   4.052   19.6    4.7   16.0/110.9   0.1/334  108 19  20.0   +9/266
10/20 05:30   12 58.65  +07 54.7   4.977   4.056   20.2    4.9   15.9/110.8   0.1/332   95 20  20.0  +10/267
10/21 05:30   12 59.65  +07 49.0   4.977   4.061   20.7    5.0   15.9/110.7   0.1/331   82 21  20.0  +10/267
10/22 05:20   13 00.64  +07 43.5   4.976   4.065   21.3    5.1   15.8/110.5   0.1/330   69 22  20.0   +9/267
10/23 05:20   13 01.64  +07 37.9   4.976   4.069   21.9    5.2   15.8/110.4   0.1/329   55 23  20.0   +9/267
10/24 05:20   13 02.63  +07 32.4   4.975   4.073   22.5    5.4   15.7/110.3   0.1/327   42 25  20.0  +10/268
inserted by FC2 system