164P/Christensen 
   From 889 observations 1998 Jan. 24-2017 June 22.(4) Kinoshita
   Epoch = 2018 Dec. 28.0 TT = JDT 2458480.5 
       T = 2018 May 31.39128 TT             peri.= 325.92117 
       e = 0.5396883                        node =  88.30602 (2000.0) 
       q = 1.6851928 AU                     incl.=  16.25306 
   a = 3.6609822 AU          n = 0.14070439         P = 7.00 years 
  m1 = 14.0 + 5log(delta) + 5.0log(r) 
  A. Node = E:12/20.9 JST  O:2018/08/03.3 JST  1.793 AU 
  D. Node = E:06/20.3 JST  O:2016/07/25.0 JST  4.692 AU 

18/19  JST     R.A. (2000) D.C.    Delta     r    Elong. Phase   dMo./P.A.   Tail/P.A. M-O Ag   m1     H/A
12/08 03:00   11 06.03  +20 41.5   2.104   2.410   95.7   24.0   13.1/ 73.2   1.1/292  100  1  17.5  +48/278
12/09 03:00   11 06.92  +20 45.3   2.097   2.416   96.5   23.9   12.8/ 72.0   1.1/292  112  1  17.5  +49/278
12/10 02:50   11 07.78  +20 49.2   2.090   2.421   97.3   23.8   12.5/ 70.7   1.1/292  124  2  17.5  +48/277
12/11 02:50   11 08.62  +20 53.4   2.083   2.427   98.2   23.7   12.2/ 69.3   1.1/292  135  3  17.5  +48/278
12/12 02:50   11 09.44  +20 57.7   2.076   2.433   99.0   23.6   12.0/ 67.9   1.1/291  146  4  17.5  +49/278
12/13 02:50   11 10.23  +21 02.2   2.069   2.439   99.8   23.4   11.7/ 66.4   1.1/291  157  5  17.5  +50/278
12/14 02:50   11 11.00  +21 06.9   2.062   2.444  100.7   23.3   11.5/ 64.8   1.1/291  166  6  17.5  +50/279
12/15 02:50   11 11.74  +21 11.7   2.056   2.450  101.5   23.2   11.2/ 63.2   1.1/291  168  7  17.5  +51/279
12/16 02:50   11 12.46  +21 16.8   2.049   2.456  102.4   23.0   11.0/ 61.5   1.0/290  161  8  17.5  +52/280
12/17 02:40   11 13.14  +21 22.0   2.042   2.461  103.2   22.9   10.7/ 59.7   1.0/290  151  9  17.5  +50/278
12/18 02:40   11 13.81  +21 27.4   2.035   2.467  104.1   22.8   10.5/ 57.8   1.0/290  139  9  17.5  +51/279
12/19 02:40   11 14.45  +21 33.0   2.029   2.473  105.0   22.6   10.3/ 55.8   1.0/290  127 10  17.5  +52/279
12/20 02:40   11 15.06  +21 38.8   2.022   2.479  105.8   22.4   10.1/ 53.7   1.0/289  114 11  17.5  +52/280
12/21 02:40   11 15.64  +21 44.8   2.016   2.484  106.7   22.3    9.9/ 51.5   1.0/289  100 12  17.5  +53/280
12/22 02:40   11 16.20  +21 51.0   2.009   2.490  107.6   22.1    9.7/ 49.3   1.0/289   86 14  17.5  +54/281
12/23 02:40   11 16.73  +21 57.3   2.003   2.496  108.5   21.9    9.6/ 46.9   1.0/288   72 15  17.5  +55/281
12/24 02:30   11 17.23  +22 03.8   1.997   2.502  109.4   21.8    9.4/ 44.5   1.0/288   58 16  17.5  +53/280
12/25 02:30   11 17.71  +22 10.5   1.990   2.507  110.3   21.6    9.3/ 42.0   1.0/288   44 17  17.5  +54/281
12/26 02:30   11 18.15  +22 17.4   1.984   2.513  111.2   21.4    9.1/ 39.4   1.0/288   30 18  17.5  +55/281
12/27 02:30   11 18.57  +22 24.5   1.978   2.519  112.1   21.2    9.0/ 36.7   1.0/287   18 19  17.5  +56/282
12/28 02:30   11 18.96  +22 31.7   1.972   2.525  113.0   21.0    8.9/ 33.9   1.0/287   13 20  17.5  +56/282
12/29 02:30   11 19.32  +22 39.1   1.966   2.530  114.0   20.8    8.9/ 31.1   1.0/286   20 21  17.5  +57/283
12/30 02:20   11 19.65  +22 46.7   1.960   2.536  114.9   20.6    8.8/ 28.3   1.0/286   32 22  17.5  +56/281
12/31 02:20   11 19.95  +22 54.4   1.955   2.542  115.8   20.4    8.8/ 25.4   1.0/286   45 23  17.5  +57/282
01/01 02:20   11 20.23  +23 02.4   1.949   2.548  116.8   20.2    8.8/ 22.5   1.0/285   57 24  17.5  +58/282
01/02 02:20   11 20.47  +23 10.5   1.943   2.553  117.7   19.9    8.8/ 19.5   1.0/285   70 25  17.5  +58/283
01/03 02:20   11 20.68  +23 18.7   1.938   2.559  118.6   19.7    8.8/ 16.6   1.0/284   82 26  17.5  +59/283
01/04 02:10   11 20.86  +23 27.1   1.933   2.565  119.6   19.5    8.8/ 13.7   0.9/284   94 27  17.5  +58/282
01/05 02:10   11 21.01  +23 35.6   1.927   2.571  120.5   19.2    8.9/ 10.8   0.9/283  106 28  17.5  +59/282
01/06 02:10   11 21.14  +23 44.4   1.922   2.576  121.5   19.0    9.0/  8.0   0.9/283  118 29  17.5  +60/283
01/07 02:10   11 21.23  +23 53.2   1.917   2.582  122.5   18.7    9.0/  5.2   0.9/282  129  1  17.5  +61/284
01/08 02:10   11 21.29  +24 02.2   1.913   2.588  123.4   18.5    9.1/  2.5   0.9/282  140  1  17.5  +61/284
inserted by FC2 system