21P/Giacobini-Zinner 
   From 2472 observations 2011 Aug. 6-2019 Apr. 11.(16) Kinoshita
   Epoch = 2019 Aug. 5.0 TT = JDT 2458700.5 
       T = 2018 Sept. 10.27932 TT           peri.= 172.85132 
       e = 0.7104402                        node = 195.38357 (2000.0) 
       q = 1.0125450 AU                     incl.=  32.00004 
   a = 3.4968427 AU          n = 0.15072661         P = 6.54 years 
  m1 = 13.5 + 5log(delta) + 5.0log(r) 
  A. Node = E:04/06.1 JST  O:2015/12/16.1 JST  5.869 AU 
  D. Node = E:10/09.6 JST  O:2018/09/16.3 JST  1.016 AU 

2019   JST     R.A. (2000) D.C.    Delta     r    Elong. Phase   dMo./P.A.   Tail/P.A. M-O Ag   m1     H/A
07/16 19:10   08 57.90  -03 47.6   4.202   3.378   31.5    9.0   18.7/ 97.9   0.2/144  144 14  19.3   +0/ 85
07/17 19:10   08 59.14  -03 50.2   4.215   3.384   31.0    8.9   18.7/ 98.1   0.2/145  152 15  19.3   -1/ 86
07/18 19:10   09 00.38  -03 52.8   4.227   3.391   30.5    8.7   18.7/ 98.4   0.2/146  157 16  19.3   -1/ 86
07/19 19:00   09 01.60  -03 55.5   4.240   3.398   30.0    8.6   18.6/ 98.6   0.2/146  156 17  19.3   +0/ 85
07/20 19:00   09 02.83  -03 58.3   4.252   3.405   29.5    8.5   18.6/ 98.8   0.2/147  151 18  19.3   -0/ 85
07/21 19:00   09 04.06  -04 01.1   4.264   3.411   29.0    8.3   18.6/ 99.1   0.2/148  143 19  19.3   -1/ 86
07/22 19:00   09 05.29  -04 04.1   4.276   3.418   28.6    8.2   18.5/ 99.3   0.2/149  134 20  19.3   -1/ 86
07/23 19:00   09 06.51  -04 07.1   4.287   3.425   28.1    8.0   18.5/ 99.5   0.2/150  123 21  19.3   -2/ 86
07/24 19:00   09 07.73  -04 10.1   4.299   3.431   27.6    7.9   18.5/ 99.7   0.2/151  113 21  19.3   -3/ 87
07/25 18:50   09 08.94  -04 13.2   4.310   3.438   27.2    7.8   18.4/100.0   0.2/152  102 22  19.4   -1/ 86
07/26 18:50   09 10.15  -04 16.4   4.321   3.445   26.7    7.6   18.4/100.2   0.2/153   91 23  19.4   -2/ 86
07/27 18:50   09 11.36  -04 19.7   4.332   3.451   26.3    7.5   18.4/100.4   0.2/154   79 24  19.4   -2/ 86
07/28 18:50   09 12.57  -04 23.0   4.343   3.458   25.8    7.4   18.3/100.7   0.2/156   67 25  19.4   -3/ 87
07/29 18:50   09 13.78  -04 26.4   4.354   3.464   25.4    7.2   18.3/100.9   0.2/157   55 26  19.4   -3/ 87
07/30 18:50   09 14.98  -04 29.8   4.365   3.471   25.0    7.1   18.3/101.1   0.2/158   43 27  19.4   -4/ 87
07/31 18:40   09 16.17  -04 33.3   4.375   3.478   24.6    7.0   18.2/101.3   0.2/159   32 29  19.4   -3/ 86
08/01 18:40   09 17.36  -04 36.9   4.385   3.484   24.2    6.8   18.2/101.5   0.2/160   24  0  19.4   -3/ 87
08/02 18:40   09 18.56  -04 40.5   4.396   3.491   23.8    6.7   18.1/101.8   0.1/162   23  2  19.4   -4/ 87
08/03 18:40   09 19.74  -04 44.2   4.406   3.497   23.4    6.6   18.1/102.0   0.1/163   30  3  19.4   -4/ 87
08/04 18:40   09 20.93  -04 48.0   4.415   3.504   23.0    6.5   18.1/102.2   0.1/164   41  4  19.4   -5/ 88
08/05 18:30   09 22.10  -04 51.7   4.425   3.510   22.6    6.4   18.0/102.4   0.1/166   53  5  19.5   -4/ 87
08/06 18:30   09 23.28  -04 55.6   4.434   3.517   22.3    6.3   18.0/102.6   0.1/167   65  6  19.5   -4/ 87
08/07 18:30   09 24.45  -04 59.5   4.444   3.523   21.9    6.2   17.9/102.8   0.1/169   78  7  19.5   -5/ 87
08/08 18:30   09 25.63  -05 03.5   4.453   3.530   21.6    6.1   17.9/103.0   0.1/170   90  8  19.5   -5/ 88
08/09 18:30   09 26.79  -05 07.5   4.462   3.536   21.3    6.0   17.9/103.2   0.1/172  102  9  19.5   -6/ 88
08/10 18:30   09 27.96  -05 11.6   4.470   3.543   21.0    5.9   17.8/103.5   0.1/174  113 10  19.5   -7/ 88
08/11 18:20   09 29.11  -05 15.7   4.479   3.549   20.7    5.8   17.8/103.7   0.1/175  124 11  19.5   -5/ 87
08/12 18:20   09 30.26  -05 19.9   4.487   3.555   20.4    5.7   17.7/103.9   0.1/177  135 12  19.5   -6/ 87
08/13 18:20   09 31.41  -05 24.2   4.496   3.562   20.2    5.6   17.7/104.1   0.1/179  144 13  19.5   -6/ 88
08/14 18:20   09 32.56  -05 28.5   4.504   3.568   20.0    5.6   17.6/104.3   0.1/181  152 14  19.5   -7/ 88
08/15 05:50   09 33.11  -05 30.5   4.507   3.571   19.8    5.5   17.6/104.4   0.1/182  155 14  19.5   -5/273
08/16 05:50   09 34.25  -05 34.9   4.515   3.578   19.6    5.5   17.6/104.6   0.1/184  158 15  19.5   -5/274
inserted by FC2 system