164P/Christensen 
   From 889 observations 1998 Jan. 24-2017 June 22.(4) Kinoshita
   Epoch = 2017 Dec. 13.0 TT = JDT 2458100.5 
       T = 2018 May 31.42586 TT             peri.= 325.93760 
       e = 0.5397033                        node =  88.30817 (2000.0) 
       q = 1.6852020 AU                     incl.=  16.25259 
   a = 3.6611209 AU          n = 0.14069640         P = 7.01 years 
  m1 = 14.0 + 5log(delta) + 5.0log(r) 
  A. Node = E:12/20.6 JST  O:2018/08/03.3 JST  1.793 AU 
  D. Node = E:06/20.0 JST  O:2016/07/24.8 JST  4.693 AU 

2017   JST     R.A. (2000) D.C.    Delta     r    Elong. Phase   dMo./P.A.   Tail/P.A. M-O Ag   m1     H/A
11/13 19:10   20 47.46  -32 20.2   2.522   2.460   75.0   22.9   17.6/ 67.2   0.9/ 78  132 25  18.0  +17/ 25
11/14 19:10   20 48.74  -32 13.3   2.529   2.454   74.3   22.8   17.8/ 67.3   0.8/ 78  120 26  18.0  +17/ 26
11/15 19:10   20 50.04  -32 06.4   2.535   2.448   73.6   22.8   18.1/ 67.3   0.8/ 78  108 27  18.0  +17/ 26
11/16 19:10   20 51.35  -31 59.4   2.542   2.442   73.0   22.8   18.4/ 67.4   0.8/ 78   96 27  18.0  +17/ 27
11/17 19:00   20 52.67  -31 52.4   2.548   2.437   72.3   22.7   18.7/ 67.4   0.8/ 78   85 28  18.0  +18/ 25
11/18 19:00   20 54.03  -31 45.2   2.555   2.431   71.6   22.7   18.9/ 67.5   0.8/ 78   73  0  18.0  +18/ 26
11/19 19:00   20 55.39  -31 37.9   2.561   2.425   70.9   22.7   19.2/ 67.5   0.8/ 78   62  1  18.0  +18/ 27
11/20 19:00   20 56.78  -31 30.5   2.567   2.420   70.3   22.6   19.4/ 67.5   0.8/ 78   51  2  18.0  +17/ 27
11/21 19:00   20 58.18  -31 23.1   2.573   2.414   69.6   22.6   19.7/ 67.5   0.8/ 78   40  3  18.0  +17/ 28
11/22 19:00   20 59.60  -31 15.5   2.579   2.408   69.0   22.5   19.9/ 67.5   0.8/ 79   30  4  18.0  +17/ 28
11/23 19:00   21 01.03  -31 07.9   2.585   2.402   68.3   22.5   20.2/ 67.5   0.8/ 79   21  4  18.0  +17/ 29
11/24 18:50   21 02.48  -31 00.2   2.591   2.397   67.7   22.4   20.4/ 67.6   0.8/ 79   15  5  18.0  +18/ 27
11/25 18:50   21 03.94  -30 52.3   2.597   2.391   67.0   22.3   20.7/ 67.6   0.8/ 79   16  6  18.0  +18/ 28
11/26 18:50   21 05.43  -30 44.4   2.603   2.385   66.4   22.3   20.9/ 67.5   0.8/ 79   24  7  18.0  +18/ 29
11/27 18:50   21 06.92  -30 36.4   2.608   2.380   65.7   22.2   21.2/ 67.5   0.8/ 79   35  8  18.0  +18/ 29
11/28 18:50   21 08.44  -30 28.3   2.614   2.374   65.1   22.1   21.4/ 67.5   0.8/ 79   46  9  18.0  +17/ 30
11/29 18:50   21 09.97  -30 20.0   2.620   2.368   64.5   22.1   21.6/ 67.5   0.8/ 79   59 10  18.0  +17/ 30
11/30 18:50   21 11.51  -30 11.7   2.625   2.363   63.9   22.0   21.9/ 67.5   0.8/ 79   72 11  18.0  +17/ 31
12/01 18:50   21 13.06  -30 03.3   2.630   2.357   63.2   21.9   22.1/ 67.5   0.8/ 79   85 12  18.0  +17/ 31
12/02 18:50   21 14.63  -29 54.8   2.636   2.351   62.6   21.9   22.3/ 67.4   0.8/ 79   99 13  18.0  +17/ 32
12/03 18:40   21 16.21  -29 46.3   2.641   2.346   62.0   21.8   22.6/ 67.4   0.8/ 79  113 14  18.0  +18/ 30
12/04 18:40   21 17.80  -29 37.6   2.646   2.340   61.4   21.7   22.8/ 67.4   0.8/ 79  128 16  18.0  +18/ 31
12/05 18:40   21 19.42  -29 28.8   2.651   2.335   60.8   21.6   23.0/ 67.4   0.8/ 79  142 17  18.0  +18/ 31
12/06 18:40   21 21.04  -29 19.9   2.656   2.329   60.2   21.5   23.2/ 67.3   0.8/ 79  155 18  18.0  +18/ 32
12/07 18:40   21 22.68  -29 10.9   2.661   2.323   59.6   21.4   23.4/ 67.3   0.8/ 79  165 19  18.0  +17/ 33
12/08 18:40   21 24.32  -29 01.8   2.666   2.318   59.0   21.4   23.7/ 67.2   0.8/ 80  165 20  18.0  +17/ 33
12/09 18:40   21 25.99  -28 52.6   2.671   2.312   58.4   21.3   23.9/ 67.2   0.8/ 80  156 21  18.0  +17/ 34
12/10 18:40   21 27.66  -28 43.3   2.675   2.306   57.8   21.2   24.1/ 67.2   0.7/ 80  144 22  18.0  +17/ 34
12/11 18:40   21 29.35  -28 33.9   2.680   2.301   57.2   21.1   24.3/ 67.1   0.7/ 80  133 23  17.9  +17/ 35
12/12 18:40   21 31.04  -28 24.4   2.684   2.295   56.6   21.0   24.5/ 67.1   0.7/ 80  121 24  17.9  +17/ 35
12/13 18:40   21 32.75  -28 14.8   2.689   2.290   56.1   20.9   24.7/ 67.0   0.7/ 80  109 25  17.9  +17/ 36
inserted by FC2 system