21P/Giacobini-Zinner 
   From 2210 observations 2005 Mar. 5-2018 Aug. 12.(16) Kinoshita
   Epoch = 2018 Sept. 19.0 TT = JDT 2458380.5 
       T = 2018 Sept. 10.27855 TT           peri.= 172.86215 
       e = 0.7104631                        node = 195.39200 (2000.0) 
       q = 1.0128181 AU                     incl.=  31.99794 
   a = 3.4980625 AU          n = 0.15064778         P = 6.54 years 
  m1 = 9.0 + 5log(delta) + 20.0log(r) 
  A. Node = E:04/05.9 JST  O:2015/12/15.3 JST  5.872 AU 
  D. Node = E:10/09.4 JST  O:2018/09/16.3 JST  1.016 AU 

2018   JST     R.A. (2000) D.C.    Delta     r    Elong. Phase   dMo./P.A.   Tail/P.A. M-O Ag   m1     H/A
09/09 02:10   05 42.62  +35 54.2   0.392   1.013   79.6   78.0  116.5/151.6  13.3/271   65 28   7.1  +38/249
09/10 02:20   05 47.12  +34 10.7   0.392   1.013   79.6   78.0  116.6/152.2  13.3/271   79  0   7.1  +39/252
09/11 02:20   05 51.41  +32 27.3   0.392   1.013   79.7   78.0  116.6/152.8  13.3/271   92  1   7.1  +39/254
09/12 02:20   05 55.54  +30 43.3   0.392   1.013   79.7   77.9  116.3/153.4  13.3/271  106  2   7.1  +38/256
09/13 02:30   05 59.53  +28 58.3   0.393   1.013   79.8   77.8  115.9/153.9  13.3/271  119  3   7.1  +39/259
09/14 02:30   06 03.35  +27 14.1   0.393   1.014   79.9   77.6  115.2/154.4  13.3/271  132  4   7.1  +38/261
09/15 02:30   06 07.02  +25 30.0   0.395   1.015   80.0   77.5  114.4/154.9  13.2/271  144  5   7.1  +38/263
09/16 02:40   06 10.59  +23 45.5   0.396   1.016   80.2   77.2  113.3/155.3  13.1/271  156  6   7.1  +39/266
09/17 02:40   06 14.00  +22 02.5   0.398   1.017   80.3   77.0  112.2/155.6  13.0/271  168  7   7.1  +38/268
09/18 02:40   06 17.29  +20 20.2   0.400   1.018   80.5   76.7  110.8/156.0  12.9/271  179  8   7.2  +38/270
09/19 02:40   06 20.46  +18 38.8   0.403   1.020   80.7   76.4  109.3/156.3  12.8/271  169  9   7.2  +37/272
09/20 02:50   06 23.54  +16 58.0   0.406   1.022   80.9   76.0  107.7/156.6  12.7/271  158 10   7.2  +38/276
09/21 02:50   06 26.50  +15 19.1   0.409   1.024   81.1   75.7  105.9/156.9  12.6/271  147 11   7.3  +38/278
09/22 02:50   06 29.36  +13 41.6   0.412   1.026   81.3   75.3  104.1/157.1  12.5/271  135 12   7.3  +37/280
09/23 02:50   06 32.11  +12 05.7   0.416   1.029   81.6   74.9  102.1/157.3  12.3/272  124 13   7.3  +36/282
09/24 02:50   06 34.78  +10 31.4   0.420   1.031   81.8   74.4  100.1/157.6  12.2/272  112 13   7.4  +36/283
09/25 02:50   06 37.36  +08 58.8   0.424   1.034   82.1   73.9   98.1/157.8  12.0/272  101 14   7.4  +35/285
09/26 03:00   06 39.87  +07 27.3   0.428   1.037   82.4   73.4   95.9/158.0  11.9/272   89 15   7.5  +36/289
09/27 03:00   06 42.28  +05 58.4   0.433   1.040   82.7   72.9   93.8/158.2  11.7/272   77 16   7.5  +36/290
09/28 03:00   06 44.61  +04 31.4   0.438   1.043   83.0   72.4   91.6/158.4  11.5/272   65 17   7.6  +35/292
09/29 03:00   06 46.86  +03 06.2   0.443   1.047   83.3   71.9   89.4/158.6  11.3/272   54 18   7.6  +35/294
09/30 03:00   06 49.04  +01 43.0   0.448   1.051   83.6   71.3   87.2/158.8  11.2/273   43 19   7.7  +34/295
10/01 03:00   06 51.15  +00 21.8   0.453   1.054   83.9   70.8   85.0/159.0  11.0/273   33 20   7.7  +33/297
10/02 03:00   06 53.18  -00 57.5   0.459   1.059   84.2   70.2   82.8/159.2  10.8/273   25 21   7.8  +33/298
10/03 03:10   06 55.15  -02 15.4   0.465   1.063   84.6   69.6   80.6/159.4  10.6/273   23 22   7.9  +34/302
10/04 03:10   06 57.05  -03 30.9   0.470   1.067   84.9   69.1   78.4/159.6  10.5/274   28 24   7.9  +34/304
10/05 03:10   06 58.88  -04 44.4   0.476   1.072   85.2   68.5   76.3/159.9  10.3/274   38 25   8.0  +33/305
10/06 03:10   07 00.64  -05 56.0   0.482   1.076   85.6   67.9   74.2/160.1  10.1/274   49 26   8.1  +32/306
10/07 03:10   07 02.33  -07 05.8   0.489   1.081   85.9   67.3   72.2/160.4   9.9/275   61 27   8.1  +32/308
10/08 03:10   07 03.96  -08 13.8   0.495   1.086   86.3   66.7   70.2/160.7   9.7/275   73 28   8.2  +31/309
10/09 03:10   07 05.53  -09 20.0   0.501   1.091   86.7   66.1   68.2/161.0   9.6/276   85 29   8.3  +31/311
inserted by FC2 system