21P/Giacobini-Zinner 
   From 2210 observations 2005 Mar. 5-2018 Aug. 12.(16) Kinoshita
   Epoch = 2018 Dec. 28.0 TT = JDT 2458480.5 
       T = 2018 Sept. 10.27671 TT           peri.= 172.86109 
       e = 0.7104234                        node = 195.39119 (2000.0) 
       q = 1.0128082 AU                     incl.=  31.99768 
   a = 3.4975486 AU          n = 0.15068098         P = 6.54 years 
  m1 = 9.0 + 5log(delta) + 20.0log(r) 
  A. Node = E:04/06.1 JST  O:2015/12/15.6 JST  5.871 AU 
  D. Node = E:10/09.4 JST  O:2018/09/16.3 JST  1.016 AU 

18/19  JST     R.A. (2000) D.C.    Delta     r    Elong. Phase   dMo./P.A.   Tail/P.A. M-O Ag   m1     H/A
12/08 02:30   06 58.29  -39 33.3   0.904   1.563  111.6   35.9   16.9/259.7   3.4/330  116  0  12.7  +15/  8
12/09 02:30   06 56.86  -39 36.3   0.911   1.572  112.0   35.5   16.9/262.5   3.4/331  118  1  12.7  +15/  9
12/10 02:30   06 55.40  -39 38.4   0.918   1.581  112.4   35.2   16.9/265.3   3.3/332  119  2  12.8  +14/ 10
12/11 02:20   06 53.95  -39 39.8   0.924   1.591  112.8   34.8   17.0/268.0   3.2/334  118  3  12.9  +15/  9
12/12 02:20   06 52.48  -39 40.3   0.931   1.600  113.2   34.4   17.1/270.7   3.2/335  116  4  12.9  +14/ 10
12/13 02:20   06 51.00  -39 40.1   0.938   1.609  113.6   34.1   17.2/273.3   3.1/337  112  5  13.0  +14/ 11
12/14 02:20   06 49.52  -39 39.1   0.945   1.618  114.0   33.8   17.2/275.9   3.1/338  108  6  13.1  +14/ 12
12/15 02:10   06 48.04  -39 37.3   0.952   1.627  114.4   33.4   17.4/278.4   3.0/340  102  7  13.1  +14/ 11
12/16 02:10   06 46.56  -39 34.7   0.959   1.637  114.7   33.1   17.5/280.9   3.0/341   97  8  13.2  +14/ 12
12/17 02:10   06 45.08  -39 31.4   0.966   1.646  115.1   32.8   17.6/283.3   3.0/342   90  8  13.3  +14/ 13
12/18 02:10   06 43.60  -39 27.3   0.974   1.655  115.5   32.5   17.7/285.7   2.9/344   84  9  13.3  +14/ 14
12/19 02:00   06 42.14  -39 22.5   0.981   1.664  115.8   32.2   17.8/288.0   2.9/345   78 10  13.4  +14/ 13
12/20 02:00   06 40.68  -39 16.9   0.988   1.674  116.2   31.8   18.0/290.3   2.8/347   72 11  13.4  +14/ 15
12/21 02:00   06 39.23  -39 10.7   0.996   1.683  116.5   31.5   18.1/292.5   2.8/348   67 12  13.5  +14/ 16
12/22 02:00   06 37.79  -39 03.7   1.003   1.692  116.8   31.3   18.3/294.7   2.7/350   63 14  13.6  +13/ 17
12/23 01:50   06 36.38  -38 56.1   1.011   1.701  117.1   31.0   18.4/296.8   2.7/351   61 15  13.6  +14/ 16
12/24 01:50   06 34.98  -38 47.7   1.018   1.711  117.4   30.7   18.6/298.9   2.6/353   61 16  13.7  +14/ 17
12/25 01:50   06 33.59  -38 38.7   1.026   1.720  117.7   30.4   18.7/301.0   2.6/354   63 17  13.8  +13/ 18
12/26 01:50   06 32.23  -38 29.1   1.034   1.729  118.0   30.1   18.9/303.0   2.6/356   68 18  13.8  +13/ 19
12/27 01:40   06 30.89  -38 18.8   1.042   1.739  118.3   29.9   19.0/304.9   2.5/357   73 19  13.9  +14/ 18
12/28 01:40   06 29.57  -38 07.9   1.050   1.748  118.5   29.6   19.1/306.8   2.5/359   80 20  14.0  +14/ 19
12/29 22:20   06 27.18  -37 46.1   1.065   1.765  119.0   29.2   19.4/310.3   2.4/  1   94 22  14.1  +14/341
12/30 22:20   06 25.93  -37 33.5   1.073   1.774  119.2   28.9   19.6/312.1   2.4/  3  101 23  14.1  +15/342
12/31 22:20   06 24.72  -37 20.3   1.081   1.784  119.4   28.7   19.7/313.9   2.4/  4  107 24  14.2  +15/343
01/01 22:20   06 23.53  -37 06.6   1.090   1.793  119.6   28.5   19.8/315.7   2.3/  6  113 25  14.3  +16/344
01/02 22:10   06 22.38  -36 52.5   1.098   1.802  119.8   28.3   20.0/317.4   2.3/  7  118 26  14.3  +16/343
01/03 22:10   06 21.26  -36 37.8   1.107   1.811  120.0   28.0   20.1/319.1   2.3/  9  121 27  14.4  +16/344
01/04 22:10   06 20.17  -36 22.6   1.116   1.821  120.2   27.8   20.2/320.7   2.2/ 10  122 28  14.4  +17/345
01/05 22:10   06 19.11  -36 06.9   1.125   1.830  120.3   27.6   20.3/322.4   2.2/ 12  122 29  14.5  +17/346
01/06 22:10   06 18.09  -35 50.8   1.134   1.839  120.5   27.4   20.4/324.0   2.2/ 13  120  0  14.6  +18/347
01/07 22:10   06 17.11  -35 34.3   1.143   1.848  120.6   27.3   20.5/325.6   2.1/ 15  117  1  14.6  +18/347
01/08 22:10   06 16.16  -35 17.3   1.152   1.858  120.7   27.1   20.6/327.2   2.1/ 16  112  2  14.7  +19/348
inserted by FC2 system