164P/Christensen 
   From 889 observations 1998 Jan. 24-2017 June 22.(4) Kinoshita
   Epoch = 2018 Sept. 19.0 TT = JDT 2458380.5 
       T = 2018 May 31.40060 TT             peri.= 325.92583 
       e = 0.5397190                        node =  88.30576 (2000.0) 
       q = 1.6852270 AU                     incl.=  16.25299 
   a = 3.6613004 AU          n = 0.14068605         P = 7.01 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:2016/07/24.9 JST  4.693 AU 

2018   JST     R.A. (2000) D.C.    Delta     r    Elong. Phase   dMo./P.A.   Tail/P.A. M-O Ag   m1     H/A
09/09 04:00   08 31.63  +22 30.0   2.576   1.937   41.3   20.1   32.8/ 93.9   0.7/288   28 28  17.5  +21/256
09/10 04:00   08 33.98  +22 27.7   2.573   1.941   41.7   20.2   32.6/ 94.0   0.7/288   42  0  17.5  +21/257
09/11 04:00   08 36.33  +22 25.4   2.571   1.946   42.2   20.3   32.4/ 94.2   0.7/289   56  1  17.5  +21/257
09/12 04:00   08 38.66  +22 23.0   2.568   1.950   42.6   20.5   32.3/ 94.3   0.8/289   70  2  17.5  +22/257
09/13 04:00   08 40.98  +22 20.5   2.565   1.955   43.1   20.6   32.1/ 94.4   0.8/289   83  3  17.5  +22/257
09/14 04:00   08 43.29  +22 18.0   2.563   1.959   43.5   20.7   32.0/ 94.5   0.8/289   96  4  17.5  +22/258
09/15 04:00   08 45.59  +22 15.4   2.560   1.964   44.0   20.8   31.8/ 94.6   0.8/290  109  5  17.5  +22/258
09/16 04:00   08 47.87  +22 12.8   2.557   1.969   44.4   20.9   31.7/ 94.7   0.8/290  121  6  17.5  +23/258
09/17 04:00   08 50.14  +22 10.1   2.554   1.973   44.9   21.1   31.5/ 94.8   0.8/290  132  7  17.5  +23/258
09/18 04:00   08 52.40  +22 07.4   2.551   1.978   45.3   21.2   31.3/ 94.9   0.8/290  144  8  17.5  +23/259
09/19 04:00   08 54.65  +22 04.6   2.548   1.983   45.8   21.3   31.2/ 95.0   0.8/290  155  9  17.5  +24/259
09/20 04:00   08 56.88  +22 01.8   2.544   1.987   46.3   21.4   31.0/ 95.1   0.8/291  166 10  17.5  +24/259
09/21 04:00   08 59.11  +21 59.0   2.541   1.992   46.7   21.5   30.9/ 95.2   0.8/291  176 11  17.5  +24/259
09/22 03:50   09 01.30  +21 56.2   2.538   1.997   47.2   21.7   30.7/ 95.3   0.8/291  170 12  17.5  +23/258
09/23 03:50   09 03.50  +21 53.3   2.534   2.002   47.7   21.8   30.5/ 95.3   0.8/291  159 13  17.5  +23/259
09/24 03:50   09 05.68  +21 50.4   2.531   2.007   48.2   21.9   30.4/ 95.4   0.8/291  147 13  17.5  +23/259
09/25 03:50   09 07.85  +21 47.5   2.527   2.011   48.7   22.0   30.2/ 95.5   0.8/291  135 14  17.5  +24/259
09/26 03:50   09 10.01  +21 44.6   2.524   2.016   49.2   22.1   30.0/ 95.5   0.8/292  123 15  17.5  +24/259
09/27 03:50   09 12.15  +21 41.6   2.520   2.021   49.6   22.2   29.9/ 95.6   0.8/292  111 16  17.5  +24/260
09/28 03:50   09 14.28  +21 38.7   2.517   2.026   50.1   22.3   29.7/ 95.6   0.8/292   98 17  17.5  +25/260
09/29 03:50   09 16.40  +21 35.7   2.513   2.031   50.6   22.4   29.5/ 95.7   0.8/292   86 18  17.5  +25/260
09/30 03:50   09 18.51  +21 32.7   2.509   2.036   51.1   22.5   29.3/ 95.7   0.8/292   73 19  17.5  +25/261
10/01 03:50   09 20.60  +21 29.7   2.505   2.041   51.6   22.6   29.2/ 95.8   0.8/292   60 20  17.5  +26/261
10/02 03:50   09 22.68  +21 26.8   2.501   2.046   52.2   22.7   29.0/ 95.8   0.9/293   47 21  17.5  +26/261
10/03 03:50   09 24.74  +21 23.8   2.497   2.051   52.7   22.8   28.8/ 95.8   0.9/293   33 22  17.5  +26/261
10/04 03:50   09 26.79  +21 20.8   2.493   2.056   53.2   22.9   28.6/ 95.8   0.9/293   20 24  17.5  +27/262
10/05 03:50   09 28.83  +21 17.8   2.489   2.061   53.7   23.0   28.5/ 95.9   0.9/293    7 25  17.6  +27/262
10/06 03:50   09 30.86  +21 14.9   2.485   2.066   54.2   23.1   28.3/ 95.9   0.9/293   10 26  17.6  +28/262
10/07 03:40   09 32.85  +21 12.0   2.480   2.071   54.8   23.2   28.1/ 95.9   0.9/293   23 27  17.6  +26/261
10/08 03:40   09 34.85  +21 09.1   2.476   2.076   55.3   23.3   27.9/ 95.9   0.9/293   37 28  17.6  +26/262
10/09 03:40   09 36.83  +21 06.2   2.471   2.081   55.8   23.4   27.7/ 95.9   0.9/293   51 29  17.6  +27/262
inserted by FC2 system