73P/Schwassmann-Wachmann 
   From 2981 observations 2005 Oct. 13-2016 Feb. 13.(8) Kinoshita
   Epoch = 2017 Mar. 28.0 TT = JDT 2457840.5 
       T = 2017 Mar. 16.84187 TT            peri.= 199.38546 
       e = 0.6855181                        node =  69.66438 (2000.0) 
       q = 0.9721776 AU                     incl.=  11.23685 
   a = 3.0913631 AU          n = 0.18133392         P = 5.44 years 
  m1 = 10.0 + 5log(delta) + 15.0log(r) 
  A. Node = E:12/02.0 JST  O:2018/11/13.8 JST  4.637 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
02/26 05:20   19 27.00  -21 09.9   1.380   1.010   47.0   45.8   74.6/ 89.8   2.8/262   37 29  10.8  +13/308
02/27 05:20   19 32.34  -21 09.3   1.380   1.006   46.7   45.8   74.6/ 89.3   2.8/262   50  0  10.7  +13/308
02/28 05:20   19 37.67  -21 08.1   1.380   1.002   46.5   45.8   74.5/ 88.8   2.8/261   62  1  10.7  +13/307
03/01 05:20   19 42.99  -21 06.2   1.381   0.999   46.3   45.8   74.4/ 88.3   2.8/260   75  2  10.7  +12/307
03/02 05:20   19 48.30  -21 03.8   1.382   0.996   46.1   45.8   74.2/ 87.9   2.8/260   88  3  10.7  +12/307
03/03 05:20   19 53.60  -21 00.7   1.383   0.993   45.9   45.8   74.1/ 87.4   2.8/259  101  5  10.7  +12/307
03/04 05:20   19 58.88  -20 57.0   1.385   0.990   45.6   45.7   73.9/ 86.9   2.8/258  114  6  10.6  +12/306
03/05 05:20   20 04.15  -20 52.8   1.386   0.987   45.4   45.7   73.8/ 86.5   2.8/258  127  7  10.6  +12/306
03/06 05:20   20 09.40  -20 47.9   1.388   0.985   45.2   45.6   73.6/ 86.0   2.8/257  140  8  10.6  +11/306
03/07 05:20   20 14.63  -20 42.4   1.390   0.983   45.0   45.5   73.4/ 85.5   2.8/256  153  9  10.6  +11/305
03/08 05:20   20 19.84  -20 36.4   1.392   0.981   44.8   45.5   73.1/ 85.1   2.8/256  165 10  10.6  +11/305
03/09 05:20   20 25.03  -20 29.8   1.395   0.979   44.6   45.4   72.9/ 84.6   2.8/255  176 11  10.6  +11/305
03/10 05:20   20 30.19  -20 22.7   1.397   0.977   44.4   45.3   72.6/ 84.1   2.8/255  169 12  10.6  +11/305
03/11 05:20   20 35.32  -20 15.0   1.400   0.976   44.2   45.2   72.3/ 83.7   2.8/254  157 13  10.6  +11/304
03/12 05:20   20 40.43  -20 06.8   1.403   0.975   44.0   45.1   72.1/ 83.3   2.8/253  145 14  10.6  +11/304
03/13 05:20   20 45.50  -19 58.0   1.406   0.974   43.8   44.9   71.8/ 82.8   2.7/253  133 15  10.6  +11/304
03/14 05:20   20 50.55  -19 48.8   1.410   0.973   43.6   44.8   71.4/ 82.4   2.7/252  122 16  10.6  +11/303
03/15 05:20   20 55.56  -19 39.0   1.413   0.973   43.5   44.7   71.1/ 81.9   2.7/252  111 17  10.6  +10/303
03/16 05:20   21 00.54  -19 28.8   1.417   0.972   43.3   44.5   70.8/ 81.5   2.7/251  100 18  10.6  +10/303
03/17 05:10   21 05.45  -19 18.2   1.421   0.972   43.1   44.4   70.4/ 81.1   2.7/251   89 19  10.6   +9/301
03/18 05:10   21 10.36  -19 07.1   1.425   0.972   43.0   44.2   70.0/ 80.7   2.7/250   78 20  10.6   +9/301
03/19 05:10   21 15.23  -18 55.5   1.429   0.973   42.8   44.1   69.7/ 80.3   2.7/249   67 20  10.6   +9/300
03/20 05:10   21 20.06  -18 43.6   1.434   0.973   42.7   43.9   69.3/ 79.9   2.6/249   57 21  10.6   +8/300
03/21 05:10   21 24.86  -18 31.2   1.438   0.974   42.5   43.7   68.9/ 79.5   2.6/248   46 22  10.6   +8/300
03/22 05:10   21 29.61  -18 18.5   1.443   0.975   42.4   43.5   68.5/ 79.1   2.6/248   35 23  10.6   +8/299
03/23 05:10   21 34.33  -18 05.3   1.447   0.976   42.2   43.4   68.0/ 78.8   2.6/247   24 24  10.6   +8/299
03/24 05:10   21 39.00  -17 51.9   1.452   0.977   42.1   43.2   67.6/ 78.4   2.6/247   13 25  10.7   +9/299
03/25 05:10   21 43.63  -17 38.1   1.457   0.979   42.0   43.0   67.2/ 78.0   2.5/247    5 26  10.7   +9/299
03/26 05:10   21 48.22  -17 24.0   1.462   0.981   41.9   42.8   66.7/ 77.7   2.5/246   13 27  10.7   +9/298
inserted by FC2 system