21P/Giacobini-Zinner 
   From 2472 observations 2011 Aug. 6-2019 Apr. 11.(16) Kinoshita
   Epoch = 2019 Nov. 13.0 TT = JDT 2458800.5 
       T = 2018 Sept. 10.29278 TT           peri.= 172.84835 
       e = 0.7104819                        node = 195.37853 (2000.0) 
       q = 1.0123196 AU                     incl.=  32.00257 
   a = 3.4965682 AU          n = 0.15074436         P = 6.54 years 
  m1 = 13.5 + 5log(delta) + 5.0log(r) 
  A. Node = E:04/05.4 JST  O:2015/12/16.4 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
11/03 04:30   10 47.47  -12 49.8   4.552   4.046   53.8   11.4   10.9/122.0   0.2/279  121  6  19.8  +21/304
11/04 04:30   10 48.11  -12 55.6   4.545   4.052   54.6   11.5   10.8/122.3   0.2/279  132  7  19.8  +22/305
11/05 04:30   10 48.73  -13 01.3   4.538   4.057   55.3   11.6   10.6/122.7   0.2/280  141  8  19.8  +22/306
11/06 04:30   10 49.34  -13 07.0   4.532   4.063   56.1   11.7   10.5/123.0   0.3/280  149  9  19.8  +23/306
11/07 04:30   10 49.94  -13 12.7   4.525   4.068   56.9   11.8   10.3/123.4   0.3/281  155  9  19.8  +23/307
11/08 04:20   10 50.53  -13 18.4   4.517   4.074   57.6   11.9   10.2/123.7   0.3/281  156 10  19.8  +22/306
11/09 04:20   10 51.11  -13 24.0   4.510   4.079   58.4   11.9   10.0/124.1   0.3/281  152 11  19.8  +22/307
11/10 04:20   10 51.68  -13 29.7   4.503   4.085   59.2   12.0    9.9/124.5   0.3/282  145 12  19.8  +23/307
11/11 04:20   10 52.24  -13 35.3   4.495   4.090   59.9   12.1    9.8/124.9   0.3/282  135 13  19.8  +23/308
11/12 04:20   10 52.79  -13 40.9   4.488   4.095   60.7   12.2    9.6/125.3   0.3/283  125 14  19.8  +24/309
11/13 04:20   10 53.33  -13 46.4   4.480   4.101   61.5   12.2    9.5/125.8   0.3/283  114 15  19.8  +24/309
11/14 04:20   10 53.85  -13 52.0   4.472   4.106   62.3   12.3    9.3/126.2   0.3/283  103 16  19.8  +25/310
11/15 04:20   10 54.37  -13 57.4   4.464   4.112   63.1   12.4    9.1/126.7   0.3/284   91 17  19.8  +25/311
11/16 04:20   10 54.87  -14 02.9   4.456   4.117   63.9   12.5    9.0/127.2   0.3/284   79 18  19.8  +26/312
11/17 04:10   10 55.36  -14 08.3   4.447   4.122   64.7   12.5    8.8/127.6   0.3/284   68 19  19.8  +25/310
11/18 04:10   10 55.84  -14 13.7   4.439   4.128   65.5   12.6    8.7/128.2   0.3/285   56 20  19.8  +25/311
11/19 04:10   10 56.31  -14 19.1   4.430   4.133   66.3   12.6    8.5/128.7   0.3/285   44 21  19.8  +26/312
11/20 04:10   10 56.77  -14 24.4   4.422   4.138   67.1   12.7    8.4/129.3   0.3/285   34 22  19.8  +26/313
11/21 04:10   10 57.22  -14 29.7   4.413   4.144   67.9   12.8    8.2/129.8   0.3/286   26 23  19.8  +26/314
11/22 04:10   10 57.65  -14 34.9   4.404   4.149   68.7   12.8    8.0/130.4   0.3/286   25 24  19.8  +27/314
11/23 04:10   10 58.07  -14 40.1   4.395   4.154   69.5   12.9    7.9/131.1   0.3/286   30 25  19.8  +27/315
11/24 04:10   10 58.48  -14 45.3   4.386   4.160   70.4   12.9    7.7/131.7   0.3/287   40 26  19.8  +28/316
11/25 04:10   10 58.87  -14 50.4   4.377   4.165   71.2   13.0    7.5/132.4   0.3/287   51 27  19.8  +28/317
11/26 04:00   10 59.26  -14 55.4   4.368   4.170   72.0   13.0    7.3/133.1   0.3/287   64 28  19.8  +27/316
11/27 04:00   10 59.63  -15 00.4   4.358   4.175   72.9   13.1    7.2/133.9   0.3/288   76  0  19.8  +28/316
11/28 04:00   10 59.98  -15 05.4   4.349   4.181   73.7   13.1    7.0/134.7   0.3/288   89  1  19.8  +28/317
11/29 04:00   11 00.33  -15 10.3   4.340   4.186   74.5   13.1    6.8/135.5   0.3/288  101  2  19.8  +29/318
11/30 04:00   11 00.66  -15 15.2   4.330   4.191   75.4   13.2    6.6/136.4   0.3/289  112  3  19.8  +29/319
12/01 04:00   11 00.97  -15 20.0   4.320   4.196   76.2   13.2    6.5/137.3   0.3/289  123  4  19.8  +29/320
12/02 04:00   11 01.28  -15 24.8   4.311   4.202   77.1   13.2    6.3/138.3   0.3/289  134  5  19.8  +30/321
12/03 04:00   11 01.57  -15 29.5   4.301   4.207   77.9   13.2    6.1/139.3   0.3/290  143  6  19.8  +30/322
inserted by FC2 system