213P/Van Ness 
   From 157 observations 2011 Nov. 15-2017 May 6.(3) Kinoshita
   Epoch = 2017 Aug. 15.0 TT = JDT 2457980.5 
       T = 2017 Sept. 24.36732 TT           peri.=   5.56052 
       e = 0.4075151                        node = 311.31393 (2000.0) 
       q = 1.9832472 AU                     incl.=  10.37778 
   a = 3.3473379 AU          n = 0.16093657         P = 6.12 years 
  m1 = 12.0 + 5log(delta) + 10.0log(r) 
  A. Node = E:08/04.1 JST  O:2017/09/11.4 JST  1.986 AU 
  D. Node = E:01/31.6 JST  O:2020/08/03.4 JST  4.696 AU 

2017   JST     R.A. (2000) D.C.    Delta     r    Elong. Phase   dMo./P.A.   Tail/P.A. M-O Ag   m1     H/A
07/26 23:10   18 54.92  -29 20.6   1.061   2.037  157.6   11.0   11.6/314.7   0.9/ 69  116  3  15.2  +25/  8
07/27 23:10   18 54.29  -29 12.5   1.063   2.035  156.6   11.4   11.4/316.2   1.0/ 70  103  4  15.2  +25/  9
07/28 23:00   18 53.70  -29 04.3   1.065   2.033  155.6   11.9   11.2/317.9   1.0/ 71   90  5  15.2  +25/  8
07/29 23:00   18 53.12  -28 55.9   1.067   2.032  154.6   12.4   11.0/319.6   1.1/ 72   78  6  15.2  +25/  9
07/30 23:00   18 52.58  -28 47.5   1.070   2.030  153.6   12.9   10.8/321.4   1.1/ 73   65  7  15.2  +25/ 10
07/31 23:00   18 52.06  -28 39.1   1.073   2.028  152.6   13.3   10.6/323.3   1.1/ 74   54  8  15.2  +25/ 11
08/01 22:50   18 51.59  -28 30.6   1.076   2.027  151.6   13.8   10.5/325.3   1.2/ 74   42  9  15.2  +26/ 10
08/02 22:50   18 51.13  -28 22.0   1.079   2.025  150.6   14.2   10.3/327.5   1.2/ 75   30 10  15.2  +26/ 11
08/03 22:50   18 50.72  -28 13.3   1.082   2.024  149.6   14.7   10.1/329.7   1.2/ 76   19 11  15.2  +26/ 12
08/04 22:50   18 50.33  -28 04.6   1.086   2.022  148.6   15.1    9.9/332.0   1.3/ 77   10 12  15.2  +26/ 13
08/05 22:40   18 49.99  -27 55.9   1.090   2.021  147.6   15.6    9.7/334.5   1.3/ 77   11 13  15.2  +26/ 12
08/06 22:40   18 49.67  -27 47.2   1.093   2.019  146.7   16.0    9.6/337.0   1.3/ 78   21 14  15.2  +26/ 13
08/07 22:40   18 49.39  -27 38.4   1.098   2.018  145.7   16.5    9.4/339.7   1.4/ 78   33 15  15.3  +26/ 14
08/08 22:40   18 49.14  -27 29.5   1.102   2.016  144.7   16.9    9.3/342.4   1.4/ 79   45 15  15.3  +26/ 15
08/09 22:40   18 48.93  -27 20.7   1.106   2.015  143.7   17.3    9.2/345.3   1.4/ 79   58 16  15.3  +26/ 16
08/10 22:30   18 48.76  -27 11.9   1.111   2.014  142.8   17.7    9.1/348.2   1.4/ 80   70 17  15.3  +26/ 15
08/11 22:30   18 48.62  -27 03.0   1.116   2.012  141.8   18.1    9.0/351.2   1.5/ 80   83 18  15.3  +26/ 16
08/12 22:30   18 48.52  -26 54.1   1.121   2.011  140.9   18.5    8.9/354.3   1.5/ 80   97 19  15.3  +26/ 17
08/13 22:30   18 48.45  -26 45.2   1.126   2.010  139.9   18.9    8.9/357.4   1.5/ 81  110 20  15.3  +26/ 18
08/14 22:20   18 48.42  -26 36.4   1.131   2.008  139.0   19.3    8.9/  0.6   1.5/ 81  124 22  15.3  +26/ 16
08/15 22:20   18 48.43  -26 27.5   1.136   2.007  138.1   19.7    8.9/  3.8   1.6/ 81  138 23  15.3  +26/ 17
08/16 22:20   18 48.47  -26 18.7   1.142   2.006  137.1   20.1    8.9/  7.0   1.6/ 82  152 24  15.3  +26/ 18
08/17 22:20   18 48.55  -26 09.8   1.148   2.005  136.2   20.4    9.0/ 10.2   1.6/ 82  165 25  15.3  +26/ 19
08/18 22:10   18 48.67  -26 01.1   1.154   2.004  135.3   20.8    9.1/ 13.3   1.6/ 82  173 26  15.3  +27/ 18
08/19 22:10   18 48.82  -25 52.2   1.160   2.003  134.4   21.2    9.2/ 16.4   1.7/ 82  163 27  15.3  +27/ 19
08/20 22:10   18 49.01  -25 43.4   1.166   2.002  133.5   21.5    9.3/ 19.4   1.7/ 83  149 28  15.3  +27/ 20
08/21 22:10   18 49.24  -25 34.7   1.172   2.001  132.6   21.8    9.5/ 22.3   1.7/ 83  135 29  15.4  +26/ 21
08/22 22:10   18 49.51  -25 25.9   1.179   2.000  131.7   22.2    9.6/ 25.1   1.7/ 83  122  1  15.4  +26/ 22
08/23 22:00   18 49.81  -25 17.2   1.185   1.999  130.9   22.5    9.8/ 27.8   1.7/ 83  108  2  15.4  +27/ 20
08/24 22:00   18 50.15  -25 08.5   1.192   1.998  130.0   22.8   10.0/ 30.4   1.7/ 83   95  3  15.4  +27/ 21
08/25 22:00   18 50.52  -24 59.9   1.199   1.997  129.1   23.1   10.3/ 32.9   1.7/ 83   82  4  15.4  +27/ 22
08/26 22:00   18 50.93  -24 51.2   1.206   1.996  128.3   23.4   10.5/ 35.2   1.8/ 83   70  5  15.4  +26/ 23
inserted by FC2 system