31P/Schwassmann-Wachmann 
   From 995 observations 1993 Oct. 11-2019 Mar. 24.(14) Kinoshita
   Epoch = 2019 June 26.0 TT = JDT 2458660.5 
       T = 2019 July 6.15117 TT             peri.=  18.35567 
       e = 0.1929270                        node = 114.11254 (2000.0) 
       q = 3.4253841 AU                     incl.=   4.54712 
   a = 4.2442061 AU          n = 0.11272218         P = 8.74 years 
  m1 = 5.0 + 5log(delta) + 20.0log(r) 
  A. Node = E:01/15.2 JST  O:2019/03/19.8 JST  3.454 AU 
  D. Node = E:07/17.6 JST  O:2023/03/30.1 JST  5.002 AU 

2019   JST     R.A. (2000) D.C.    Delta     r    Elong. Phase   dMo./P.A.   Tail/P.A. M-O Ag   m1     H/A
06/06 20:30   07 53.50  +21 45.8   4.129   3.428   41.0   11.2   18.9/ 99.3   0.3/100    1  3  18.8  +17/105
06/07 20:30   07 54.84  +21 42.8   4.138   3.427   40.3   11.0   18.9/ 99.4   0.3/100   13  4  18.8  +16/105
06/08 20:30   07 56.18  +21 39.7   4.147   3.427   39.7   10.9   19.0/ 99.5   0.3/100   27  5  18.8  +16/106
06/09 20:30   07 57.52  +21 36.5   4.155   3.427   39.0   10.8   19.1/ 99.7   0.3/100   41  7  18.8  +15/106
06/10 20:30   07 58.87  +21 33.3   4.164   3.427   38.4   10.6   19.1/ 99.8   0.2/100   55  8  18.8  +15/106
06/11 20:30   08 00.22  +21 30.0   4.173   3.427   37.8   10.5   19.2/ 99.9   0.2/100   69  9  18.8  +14/106
06/12 20:30   08 01.57  +21 26.7   4.181   3.427   37.1   10.3   19.3/100.0   0.2/100   82 10  18.8  +14/107
06/13 20:30   08 02.93  +21 23.3   4.189   3.427   36.5   10.2   19.3/100.2   0.2/100   96 11  18.8  +13/107
06/14 20:20   08 04.28  +21 19.9   4.197   3.427   35.9   10.0   19.4/100.3   0.2/101  109 12  18.8  +15/106
06/15 20:20   08 05.65  +21 16.4   4.206   3.426   35.2    9.8   19.4/100.4   0.2/101  122 13  18.8  +14/106
06/16 20:20   08 07.01  +21 12.9   4.213   3.426   34.6    9.7   19.5/100.5   0.2/101  135 14  18.8  +14/107
06/17 20:20   08 08.38  +21 09.3   4.221   3.426   34.0    9.5   19.5/100.7   0.2/101  148 15  18.8  +13/107
06/18 20:20   08 09.75  +21 05.7   4.229   3.426   33.4    9.4   19.6/100.8   0.2/101  160 16  18.8  +12/107
06/19 20:20   08 11.13  +21 02.0   4.237   3.426   32.7    9.2   19.6/100.9   0.2/101  172 17  18.8  +12/107
06/20 20:20   08 12.51  +20 58.2   4.244   3.426   32.1    9.1   19.7/101.0   0.2/101  176 18  18.8  +11/108
06/21 20:20   08 13.89  +20 54.4   4.251   3.426   31.5    8.9   19.7/101.2   0.2/101  164 19  18.8  +11/108
06/22 20:10   08 15.26  +20 50.6   4.258   3.426   30.9    8.8   19.8/101.3   0.2/101  153 19  18.8  +12/107
06/23 20:10   08 16.64  +20 46.7   4.265   3.426   30.2    8.6   19.8/101.4   0.2/101  141 20  18.8  +12/107
06/24 20:10   08 18.03  +20 42.8   4.272   3.426   29.6    8.4   19.9/101.5   0.2/101  130 21  18.8  +11/108
06/25 20:10   08 19.42  +20 38.8   4.279   3.426   29.0    8.3   19.9/101.6   0.2/101  118 22  18.9  +11/108
06/26 20:10   08 20.81  +20 34.8   4.286   3.426   28.4    8.1   20.0/101.8   0.2/101  106 23  18.9  +10/108
06/27 20:10   08 22.20  +20 30.7   4.292   3.426   27.7    7.9   20.0/101.9   0.2/101   94 24  18.9  +10/108
06/28 20:10   08 23.60  +20 26.5   4.299   3.426   27.1    7.8   20.1/102.0   0.2/101   82 25  18.9   +9/109
06/29 20:00   08 24.98  +20 22.4   4.305   3.425   26.5    7.6   20.1/102.1   0.2/101   69 26  18.9  +11/108
06/30 20:00   08 26.38  +20 18.1   4.311   3.425   25.9    7.4   20.2/102.2   0.2/101   56 27  18.9  +10/108
07/01 20:00   08 27.78  +20 13.8   4.317   3.425   25.3    7.3   20.2/102.4   0.2/102   43 28  18.9   +9/108
07/02 20:00   08 29.18  +20 09.5   4.323   3.425   24.7    7.1   20.2/102.5   0.2/102   29 29  18.9   +9/108
07/03 20:00   08 30.58  +20 05.1   4.329   3.425   24.0    6.9   20.3/102.6   0.2/102   15  1  18.9   +8/109
07/04 20:00   08 31.99  +20 00.6   4.334   3.425   23.4    6.8   20.3/102.7   0.2/102    1  2  18.9   +8/109
07/05 20:00   08 33.39  +19 56.2   4.340   3.425   22.8    6.6   20.3/102.8   0.1/102   14  3  18.9   +7/109
07/06 19:50   08 34.79  +19 51.7   4.345   3.425   22.2    6.4   20.4/102.9   0.1/102   28  4  18.9   +9/108
inserted by FC2 system