21P/Giacobini-Zinner 
   From 2472 observations 2011 Aug. 6-2019 Apr. 11.(16) Kinoshita
   Epoch = 2019 Oct. 24.0 TT = JDT 2458780.5 
       T = 2018 Sept. 10.28871 TT           peri.= 172.84861 
       e = 0.7104716                        node = 195.37970 (2000.0) 
       q = 1.0123671 AU                     incl.=  32.00192 
   a = 3.4966077 AU          n = 0.15074180         P = 6.54 years 
  m1 = 13.5 + 5log(delta) + 5.0log(r) 
  A. Node = E:04/06.1 JST  O:2015/12/16.3 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
09/24 05:10   10 15.25  -08 55.4   4.677   3.818   27.7    7.0   15.1/112.2   0.1/253   50 24  19.8   +8/287
09/25 05:10   10 16.20  -09 01.1   4.678   3.824   28.3    7.1   15.1/112.4   0.1/254   38 25  19.8   +9/287
09/26 05:10   10 17.14  -09 06.9   4.678   3.830   28.8    7.2   15.0/112.6   0.2/255   28 26  19.8   +9/288
09/27 05:10   10 18.07  -09 12.6   4.678   3.835   29.3    7.4   14.9/112.8   0.2/256   23 27  19.8  +10/288
09/28 05:10   10 19.00  -09 18.4   4.678   3.841   29.9    7.5   14.8/113.0   0.2/257   25 28  19.8  +10/289
09/29 05:00   10 19.92  -09 24.1   4.677   3.847   30.5    7.6   14.7/113.2   0.2/258   35  0  19.8   +9/288
09/30 05:00   10 20.83  -09 29.9   4.677   3.853   31.0    7.7   14.6/113.4   0.2/259   46  1  19.8   +9/289
10/01 05:00   10 21.74  -09 35.8   4.676   3.859   31.6    7.8   14.6/113.6   0.2/260   59  2  19.8  +10/289
10/02 05:00   10 22.64  -09 41.6   4.675   3.865   32.2    7.9   14.5/113.8   0.2/261   72  3  19.8  +10/290
10/03 05:00   10 23.54  -09 47.4   4.674   3.871   32.8    8.1   14.4/114.0   0.2/261   85  5  19.8  +11/290
10/04 05:00   10 24.43  -09 53.3   4.673   3.876   33.4    8.2   14.3/114.3   0.2/262   97  6  19.8  +11/291
10/05 05:00   10 25.31  -09 59.1   4.671   3.882   34.0    8.3   14.2/114.5   0.2/263  109  7  19.8  +12/291
10/06 05:00   10 26.18  -10 05.0   4.669   3.888   34.6    8.4   14.1/114.7   0.2/264  120  8  19.8  +12/292
10/07 05:00   10 27.05  -10 10.9   4.668   3.894   35.2    8.5   14.0/114.9   0.2/264  130  8  19.8  +13/292
10/08 05:00   10 27.91  -10 16.8   4.666   3.900   35.9    8.6   13.9/115.1   0.2/265  140  9  19.8  +13/293
10/09 04:50   10 28.76  -10 22.6   4.663   3.905   36.5    8.7   13.8/115.3   0.2/266  149 10  19.8  +12/292
10/10 04:50   10 29.60  -10 28.5   4.661   3.911   37.1    8.9   13.7/115.6   0.2/267  155 11  19.8  +13/293
10/11 04:50   10 30.44  -10 34.5   4.658   3.917   37.8    9.0   13.6/115.8   0.2/267  157 12  19.8  +13/293
10/12 04:50   10 31.27  -10 40.4   4.656   3.923   38.4    9.1   13.5/116.0   0.2/268  154 13  19.8  +14/294
10/13 04:50   10 32.10  -10 46.3   4.653   3.928   39.1    9.2   13.4/116.2   0.2/269  147 14  19.8  +14/294
10/14 04:50   10 32.91  -10 52.2   4.650   3.934   39.7    9.3   13.3/116.5   0.2/269  138 15  19.8  +15/295
10/15 04:50   10 33.72  -10 58.1   4.646   3.940   40.4    9.4   13.2/116.7   0.2/270  128 16  19.8  +15/295
10/16 04:50   10 34.52  -11 04.0   4.643   3.946   41.0    9.6   13.1/116.9   0.2/270  117 17  19.8  +16/296
10/17 04:50   10 35.31  -11 10.0   4.639   3.951   41.7    9.7   13.0/117.2   0.2/271  106 17  19.8  +16/297
10/18 04:50   10 36.10  -11 15.9   4.635   3.957   42.4    9.8   12.9/117.4   0.2/271   95 18  19.8  +17/297
10/19 04:40   10 36.87  -11 21.8   4.631   3.963   43.1    9.9   12.8/117.7   0.2/272   83 19  19.8  +15/296
10/20 04:40   10 37.64  -11 27.7   4.627   3.968   43.8   10.0   12.6/117.9   0.2/273   72 20  19.8  +16/297
10/21 04:40   10 38.40  -11 33.6   4.623   3.974   44.5   10.1   12.5/118.2   0.2/273   60 21  19.8  +16/297
10/22 04:40   10 39.15  -11 39.5   4.618   3.979   45.2   10.2   12.4/118.4   0.2/274   48 22  19.8  +17/298
10/23 04:40   10 39.89  -11 45.4   4.614   3.985   45.9   10.3   12.3/118.7   0.2/274   37 23  19.8  +17/299
10/24 04:40   10 40.63  -11 51.3   4.609   3.991   46.6   10.4   12.2/119.0   0.2/275   28 25  19.8  +18/299
inserted by FC2 system