73P/Schwassmann-Wachmann 
   From 2981 observations 2005 Oct. 13-2016 Feb. 13.(8) Kinoshita
   Epoch = 2017 Sept. 4.0 TT = JDT 2458000.5 
       T = 2017 Mar. 16.84679 TT            peri.= 199.39092 
       e = 0.6855868                        node =  69.66313 (2000.0) 
       q = 0.9722000 AU                     incl.=  11.23692 
   a = 3.0921093 AU          n = 0.18126828         P = 5.44 years 
  m1 = 12.0 + 5log(delta) + 15.0log(r) 
  A. Node = E:12/02.3 JST  O:2018/11/13.8 JST  4.638 AU 
  D. Node = E:05/31.5 JST  O:2017/03/02.5 JST  0.995 AU 

2017   JST     R.A. (2000) D.C.    Delta     r    Elong. Phase   dMo./P.A.   Tail/P.A. M-O Ag   m1     H/A
08/15 02:20   03 11.52  +06 53.2   1.761   2.098   94.4   28.8    6.4/ 89.0   1.5/255    5 22  18.1  +37/290
08/16 02:20   03 11.95  +06 53.3   1.757   2.107   95.3   28.6    6.0/ 90.1   1.5/255   15 23  18.1  +38/291
08/17 02:20   03 12.35  +06 53.3   1.753   2.116   96.1   28.4    5.5/ 91.5   1.5/255   29 24  18.1  +38/291
08/18 02:20   03 12.72  +06 53.2   1.749   2.124   97.0   28.2    5.0/ 93.1   1.5/256   43 25  18.1  +39/292
08/19 02:20   03 13.05  +06 52.9   1.745   2.133   97.8   28.0    4.6/ 95.0   1.5/256   57 26  18.1  +40/293
08/20 02:20   03 13.36  +06 52.5   1.741   2.142   98.7   27.8    4.1/ 97.3   1.5/256   72 27  18.2  +40/294
08/21 02:10   03 13.63  +06 52.0   1.737   2.150   99.6   27.6    3.7/100.1   1.5/256   86 28  18.2  +39/292
08/22 02:10   03 13.88  +06 51.3   1.732   2.159  100.5   27.4    3.2/103.8   1.4/256  100 29  18.2  +40/293
08/23 02:10   03 14.09  +06 50.6   1.728   2.168  101.4   27.2    2.8/108.5   1.4/257  114  1  18.2  +40/294
08/24 02:10   03 14.27  +06 49.7   1.724   2.176  102.3   27.0    2.4/115.0   1.4/257  127  2  18.2  +41/295
08/25 02:10   03 14.41  +06 48.7   1.720   2.185  103.2   26.8    2.0/123.9   1.4/257  140  3  18.3  +42/296
08/26 02:10   03 14.52  +06 47.5   1.716   2.193  104.1   26.5    1.7/136.3   1.4/257  153  4  18.3  +42/296
08/27 02:10   03 14.60  +06 46.3   1.712   2.202  105.0   26.3    1.5/152.8   1.4/257  165  5  18.3  +43/297
08/28 02:00   03 14.65  +06 44.9   1.708   2.210  106.0   26.1    1.5/171.8   1.4/258  174  6  18.3  +42/296
08/29 02:00   03 14.67  +06 43.5   1.703   2.219  106.9   25.8    1.6/190.1   1.4/258  168  7  18.3  +43/297
08/30 02:00   03 14.65  +06 41.9   1.699   2.227  107.9   25.6    1.9/204.6   1.4/258  157  8  18.4  +43/298
08/31 02:00   03 14.59  +06 40.2   1.695   2.236  108.8   25.3    2.2/215.1   1.4/258  145  9  18.4  +44/299
09/01 02:00   03 14.51  +06 38.3   1.691   2.244  109.8   25.0    2.6/222.7   1.4/258  134  9  18.4  +45/300
09/02 02:00   03 14.39  +06 36.4   1.688   2.253  110.8   24.8    3.1/228.3   1.3/259  122 10  18.4  +46/301
09/03 01:50   03 14.24  +06 34.4   1.684   2.261  111.8   24.5    3.5/232.4   1.3/259  110 11  18.4  +44/299
09/04 01:50   03 14.05  +06 32.2   1.680   2.270  112.8   24.2    4.0/235.6   1.3/259   97 12  18.5  +45/300
09/05 01:50   03 13.83  +06 30.0   1.676   2.278  113.8   23.9    4.4/238.2   1.3/259   85 13  18.5  +46/302
09/06 01:50   03 13.58  +06 27.7   1.672   2.287  114.8   23.6    4.9/240.3   1.3/260   72 14  18.5  +47/303
09/07 01:50   03 13.29  +06 25.2   1.669   2.295  115.8   23.3    5.4/242.0   1.3/260   59 15  18.5  +47/304
09/08 01:50   03 12.97  +06 22.7   1.665   2.303  116.9   23.0    5.9/243.5   1.3/260   45 16  18.5  +48/305
09/09 01:40   03 12.62  +06 20.1   1.662   2.312  117.9   22.6    6.4/244.7   1.3/260   32 17  18.6  +47/304
09/10 01:40   03 12.23  +06 17.3   1.658   2.320  119.0   22.3    6.9/245.8   1.2/261   18 18  18.6  +48/305
09/11 01:40   03 11.81  +06 14.5   1.655   2.328  120.0   22.0    7.4/246.8   1.2/261    7 19  18.6  +48/306
09/12 01:40   03 11.35  +06 11.6   1.652   2.337  121.1   21.7    7.9/247.6   1.2/261   13 20  18.6  +49/307
09/13 01:40   03 10.86  +06 08.6   1.649   2.345  122.2   21.3    8.4/248.4   1.2/261   26 21  18.6  +50/309
09/14 01:40   03 10.34  +06 05.5   1.646   2.353  123.2   21.0    8.9/249.1   1.2/262   40 23  18.7  +50/310
09/15 01:30   03 09.79  +06 02.3   1.643   2.361  124.3   20.6    9.4/249.7   1.2/262   54 24  18.7  +49/308
inserted by FC2 system