164P/Christensen 
   From 889 observations 1998 Jan. 24-2017 June 22.(4) Kinoshita
   Epoch = 2017 Sept. 24.0 TT = JDT 2458020.5 
       T = 2018 May 31.43572 TT             peri.= 325.94228 
       e = 0.5396834                        node =  88.30953 (2000.0) 
       q = 1.6851297 AU                     incl.=  16.25282 
   a = 3.6608056 AU          n = 0.14071457         P = 7.00 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
09/14 21:30   20 15.82  -36 16.2   2.107   2.804  124.7   17.2    4.0/277.3   0.8/ 65  152 23  17.9  +18/ 11
09/15 21:30   20 15.49  -36 15.7   2.112   2.798  123.7   17.4    3.7/280.5   0.8/ 66  160 24  17.9  +18/ 11
09/16 21:30   20 15.19  -36 15.0   2.118   2.793  122.7   17.6    3.3/284.2   0.8/ 66  160 26  17.9  +17/ 12
09/17 21:20   20 14.92  -36 14.2   2.123   2.787  121.8   17.9    3.0/288.7   0.8/ 66  152 27  17.9  +18/ 11
09/18 21:20   20 14.69  -36 13.2   2.129   2.781  120.8   18.1    2.7/294.1   0.8/ 67  141 28  17.9  +18/ 12
09/19 21:20   20 14.48  -36 12.1   2.135   2.775  119.9   18.3    2.5/300.8   0.8/ 67  129 29  17.9  +17/ 13
09/20 21:10   20 14.30  -36 10.8   2.141   2.770  118.9   18.5    2.2/308.8   0.8/ 68  116  0  17.9  +18/ 12
09/21 21:10   20 14.16  -36 09.4   2.147   2.764  118.0   18.7    2.1/318.4   0.8/ 68  104  1  17.9  +18/ 13
09/22 21:10   20 14.05  -36 07.9   2.153   2.758  117.0   18.9    2.0/329.5   0.8/ 68   92  2  17.9  +17/ 13
09/23 21:00   20 13.96  -36 06.2   2.160   2.753  116.1   19.1    1.9/341.3   0.8/ 69   80  3  17.9  +18/ 12
09/24 21:00   20 13.91  -36 04.4   2.166   2.747  115.2   19.3    2.0/353.1   0.8/ 69   68  4  17.9  +18/ 13
09/25 21:00   20 13.89  -36 02.4   2.173   2.741  114.2   19.5    2.1/  4.0   0.8/ 70   57  5  17.9  +17/ 14
09/26 20:50   20 13.91  -36 00.4   2.179   2.735  113.3   19.7    2.3/ 13.3   0.8/ 70   46  6  17.9  +18/ 13
09/27 20:50   20 13.95  -35 58.2   2.186   2.730  112.4   19.8    2.5/ 21.2   0.9/ 70   36  7  17.9  +18/ 13
09/28 20:50   20 14.02  -35 55.8   2.193   2.724  111.5   20.0    2.8/ 27.6   0.9/ 70   26  8  17.9  +17/ 14
09/29 20:50   20 14.13  -35 53.4   2.199   2.718  110.6   20.2    3.1/ 32.8   0.9/ 71   19  9  17.9  +17/ 15
09/30 20:40   20 14.26  -35 50.8   2.206   2.712  109.7   20.3    3.4/ 37.1   0.9/ 71   18 10  17.9  +18/ 14
10/01 20:40   20 14.43  -35 48.1   2.213   2.707  108.8   20.5    3.7/ 40.7   0.9/ 71   24 10  17.9  +17/ 14
10/02 20:40   20 14.63  -35 45.3   2.220   2.701  107.9   20.6    4.0/ 43.7   0.9/ 72   34 11  17.9  +17/ 15
10/03 20:40   20 14.86  -35 42.4   2.227   2.695  107.0   20.8    4.4/ 46.2   0.9/ 72   45 12  17.9  +17/ 16
10/04 20:30   20 15.11  -35 39.4   2.234   2.690  106.1   20.9    4.7/ 48.3   0.9/ 72   57 13  17.9  +18/ 15
10/05 20:30   20 15.40  -35 36.3   2.241   2.684  105.3   21.1    5.1/ 50.2   0.9/ 72   70 14  17.9  +17/ 15
10/06 20:30   20 15.72  -35 33.0   2.248   2.678  104.4   21.2    5.4/ 51.8   0.9/ 73   84 16  17.9  +17/ 16
10/07 20:30   20 16.07  -35 29.7   2.256   2.672  103.5   21.3    5.8/ 53.2   0.9/ 73   97 17  17.9  +17/ 17
10/08 20:20   20 16.44  -35 26.3   2.263   2.667  102.7   21.4    6.1/ 54.5   0.9/ 73  111 18  17.9  +17/ 16
10/09 20:20   20 16.85  -35 22.7   2.270   2.661  101.8   21.6    6.5/ 55.6   0.9/ 73  124 19  17.9  +17/ 16
10/10 20:20   20 17.29  -35 19.1   2.278   2.655  101.0   21.7    6.8/ 56.6   0.9/ 74  137 20  17.9  +17/ 17
10/11 20:20   20 17.75  -35 15.3   2.285   2.649  100.1   21.8    7.2/ 57.5   0.9/ 74  150 21  17.9  +17/ 18
10/12 20:10   20 18.24  -35 11.5   2.292   2.644   99.3   21.9    7.5/ 58.3   0.9/ 74  159 22  17.9  +17/ 17
10/13 20:10   20 18.76  -35 07.5   2.300   2.638   98.5   22.0    7.9/ 59.1   0.9/ 74  163 23  17.9  +17/ 17
10/14 20:10   20 19.31  -35 03.5   2.307   2.632   97.6   22.1    8.2/ 59.8   0.9/ 74  157 24  17.9  +17/ 18
inserted by FC2 system