21P/Giacobini-Zinner 
   From 2210 observations 2005 Mar. 5-2018 Aug. 12.(16) Kinoshita
   Epoch = 2019 Mar. 18.0 TT = JDT 2458560.5 
       T = 2018 Sept. 10.27477 TT           peri.= 172.85729 
       e = 0.7104148                        node = 195.38950 (2000.0) 
       q = 1.0127371 AU                     incl.=  31.99782 
   a = 3.4971993 AU          n = 0.15070356         P = 6.54 years 
  m1 = 9.0 + 5log(delta) + 20.0log(r) 
  A. Node = E:04/06.1 JST  O:2015/12/15.8 JST  5.870 AU 
  D. Node = E:10/09.4 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
02/16 21:30   06 07.69  -21 57.8   1.618   2.211  113.9   24.1   21.2/ 16.0   1.4/ 64   45 11  16.9  +31/ 18
02/17 21:30   06 08.11  -21 37.5   1.632   2.220  113.5   24.1   21.1/ 17.1   1.4/ 65   51 12  17.0  +31/ 20
02/18 21:30   06 08.55  -21 17.3   1.647   2.229  113.1   24.1   21.1/ 18.1   1.3/ 66   59 13  17.0  +31/ 21
02/19 21:30   06 09.02  -20 57.2   1.662   2.237  112.7   24.1   21.1/ 19.1   1.3/ 67   68 14  17.1  +31/ 22
02/20 21:20   06 09.51  -20 37.4   1.677   2.246  112.3   24.0   21.0/ 20.1   1.3/ 68   79 16  17.2  +32/ 20
02/21 21:20   06 10.02  -20 17.7   1.692   2.255  111.8   24.0   21.0/ 21.1   1.3/ 69   90 17  17.2  +32/ 21
02/22 21:20   06 10.56  -19 58.1   1.707   2.264  111.4   24.0   21.0/ 22.1   1.3/ 70  101 18  17.3  +32/ 22
02/23 21:20   06 11.12  -19 38.6   1.723   2.273  110.9   24.0   20.9/ 23.1   1.3/ 71  111 19  17.3  +32/ 23
02/24 21:20   06 11.70  -19 19.4   1.738   2.281  110.5   24.0   20.9/ 24.1   1.3/ 71  121 20  17.4  +32/ 24
02/25 21:20   06 12.30  -19 00.3   1.754   2.290  110.0   24.0   20.9/ 25.1   1.3/ 72  129 21  17.4  +32/ 25
02/26 21:20   06 12.93  -18 41.4   1.770   2.299  109.5   23.9   20.9/ 26.1   1.2/ 73  135 22  17.5  +32/ 26
02/27 21:20   06 13.57  -18 22.6   1.786   2.307  109.1   23.9   20.8/ 27.0   1.2/ 74  139 23  17.5  +32/ 27
02/28 21:20   06 14.23  -18 04.1   1.802   2.316  108.6   23.9   20.8/ 28.0   1.2/ 75  141 24  17.6  +32/ 28
03/01 21:20   06 14.92  -17 45.7   1.818   2.325  108.1   23.9   20.8/ 28.9   1.2/ 75  139 25  17.6  +32/ 29
03/02 21:20   06 15.62  -17 27.5   1.834   2.333  107.6   23.9   20.8/ 29.9   1.2/ 76  135 26  17.7  +32/ 30
03/03 21:20   06 16.34  -17 09.5   1.850   2.342  107.1   23.9   20.7/ 30.8   1.2/ 77  128 27  17.7  +32/ 31
03/04 21:20   06 17.08  -16 51.7   1.867   2.351  106.6   23.8   20.7/ 31.8   1.2/ 78  121 27  17.8  +32/ 32
03/05 21:20   06 17.84  -16 34.1   1.883   2.359  106.1   23.8   20.7/ 32.7   1.2/ 78  113 28  17.8  +32/ 33
03/06 21:20   06 18.61  -16 16.7   1.900   2.368  105.6   23.8   20.7/ 33.6   1.2/ 79  104  0  17.9  +32/ 34
03/07 21:10   06 19.40  -15 59.6   1.916   2.376  105.1   23.8   20.6/ 34.5   1.2/ 80   95  1  17.9  +33/ 32
03/08 21:10   06 20.21  -15 42.6   1.933   2.385  104.6   23.8   20.6/ 35.4   1.1/ 80   86  2  18.0  +32/ 33
03/09 21:10   06 21.04  -15 25.8   1.950   2.394  104.0   23.7   20.6/ 36.3   1.1/ 81   76  3  18.0  +32/ 34
03/10 21:10   06 21.88  -15 09.2   1.967   2.402  103.5   23.7   20.6/ 37.2   1.1/ 82   67  4  18.1  +32/ 35
03/11 21:10   06 22.74  -14 52.8   1.984   2.411  103.0   23.7   20.5/ 38.1   1.1/ 82   58  4  18.1  +32/ 36
03/12 21:10   06 23.61  -14 36.6   2.002   2.419  102.5   23.6   20.5/ 38.9   1.1/ 83   49  5  18.2  +32/ 37
03/13 21:10   06 24.50  -14 20.6   2.019   2.428  101.9   23.6   20.5/ 39.8   1.1/ 84   42  6  18.2  +32/ 38
03/14 21:10   06 25.40  -14 04.9   2.036   2.436  101.4   23.6   20.5/ 40.6   1.1/ 84   37  7  18.3  +32/ 39
03/15 21:10   06 26.31  -13 49.3   2.054   2.445  100.9   23.5   20.5/ 41.5   1.1/ 85   36  8  18.3  +31/ 40
03/16 21:10   06 27.24  -13 34.0   2.071   2.453  100.3   23.5   20.4/ 42.3   1.1/ 86   39 10  18.4  +31/ 40
inserted by FC2 system