31P/Schwassmann-Wachmann 
   From 850 observations 1993 Oct. 11-2017 Nov. 16.(14) Kinoshita
   Epoch = 2018 Dec. 28.0 TT = JDT 2458480.5 
       T = 2019 July 6.16977 TT             peri.=  18.36062 
       e = 0.1931803                        node = 114.11227 (2000.0) 
       q = 3.4253556 AU                     incl.=   4.54676 
   a = 4.2455030 AU          n = 0.11267053         P = 8.75 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:07/17.3 JST  O:2023/03/30.6 JST  5.005 AU 

18/19  JST     R.A. (2000) D.C.    Delta     r    Elong. Phase   dMo./P.A.   Tail/P.A. M-O Ag   m1     H/A
12/08 01:00   07 06.84  +20 48.0   2.644   3.529  149.6    8.1    7.0/282.1   0.3/280  154  0  18.1  +71/313
12/09 01:00   07 06.35  +20 49.5   2.636   3.528  150.7    7.8    7.3/282.0   0.3/280  167  1  18.1  +71/316
12/10 00:50   07 05.85  +20 51.0   2.628   3.527  151.8    7.6    7.5/281.9   0.3/280  179  2  18.0  +70/312
12/11 00:50   07 05.32  +20 52.5   2.620   3.526  153.0    7.3    7.7/281.8   0.3/280  169  3  18.0  +71/315
12/12 00:50   07 04.79  +20 54.1   2.613   3.525  154.1    7.0    7.9/281.8   0.3/280  157  4  18.0  +72/317
12/13 00:50   07 04.23  +20 55.7   2.606   3.524  155.3    6.7    8.1/281.7   0.2/280  145  5  18.0  +72/320
12/14 00:50   07 03.67  +20 57.3   2.599   3.523  156.4    6.4    8.3/281.6   0.2/280  133  6  18.0  +73/323
12/15 00:40   07 03.09  +20 59.0   2.592   3.522  157.6    6.1    8.5/281.5   0.2/280  121  7  18.0  +72/319
12/16 00:40   07 02.49  +21 00.7   2.586   3.521  158.7    5.8    8.7/281.4   0.2/280  109  8  18.0  +73/322
12/17 00:40   07 01.89  +21 02.4   2.580   3.521  159.9    5.5    8.9/281.4   0.2/281   97  8  18.0  +74/325
12/18 00:40   07 01.27  +21 04.1   2.574   3.520  161.0    5.2    9.0/281.3   0.2/281   84  9  18.0  +74/329
12/19 00:40   07 00.63  +21 05.9   2.569   3.519  162.2    4.9    9.2/281.3   0.2/281   71 10  18.0  +75/332
12/20 00:30   06 59.99  +21 07.7   2.564   3.518  163.4    4.6    9.3/281.2   0.2/281   57 11  18.0  +74/328
12/21 00:30   06 59.34  +21 09.5   2.559   3.517  164.5    4.3    9.5/281.2   0.2/282   43 12  18.0  +75/331
12/22 00:30   06 58.67  +21 11.3   2.554   3.516  165.7    4.0    9.6/281.1   0.1/282   29 13  18.0  +75/335
12/23 00:30   06 58.00  +21 13.2   2.550   3.515  166.9    3.6    9.7/281.1   0.1/282   14 14  18.0  +75/339
12/24 00:30   06 57.32  +21 15.0   2.546   3.514  168.1    3.3    9.8/281.0   0.1/283    1 16  17.9  +76/343
12/25 00:20   06 56.63  +21 16.9   2.542   3.513  169.2    3.0    9.9/281.0   0.1/284   16 17  17.9  +75/338
12/26 00:20   06 55.93  +21 18.8   2.539   3.513  170.4    2.7   10.0/280.9   0.1/284   31 18  17.9  +76/342
12/27 00:20   06 55.23  +21 20.7   2.536   3.512  171.6    2.4   10.1/280.9   0.1/285   46 19  17.9  +76/347
12/28 00:20   06 54.51  +21 22.6   2.533   3.511  172.7    2.0   10.2/280.9   0.1/287   60 20  17.9  +76/351
12/29 00:10   06 53.80  +21 24.5   2.531   3.510  173.9    1.7   10.3/280.8   0.1/289   75 21  17.9  +76/346
12/30 00:10   06 53.08  +21 26.4   2.528   3.509  175.0    1.4   10.3/280.8   0.1/292   89 22  17.9  +76/350
12/31 00:10   06 52.35  +21 28.3   2.526   3.508  176.2    1.1   10.4/280.8   0.0/297  102 23  17.9  +76/355
01/01 00:10   06 51.62  +21 30.3   2.525   3.507  177.2    0.8   10.4/280.7   0.0/306  116 24  17.9  +77/360
01/02 00:10   06 50.89  +21 32.2   2.524   3.507  178.2    0.5   10.4/280.7   0.0/324  129 25  17.9  +77/  4
01/04 00:00   06 49.43  +21 36.0   2.522   3.505  178.2    0.5   10.4/280.7   0.0/ 47  154 27  17.9  +77/  4
01/05 00:00   06 48.69  +21 38.0   2.522   3.504  177.3    0.8   10.4/280.7   0.0/ 66  167 28  17.9  +77/  8
01/06 00:00   06 47.96  +21 39.9   2.521   3.503  176.2    1.1   10.4/280.7   0.0/ 75  179 29  17.9  +76/ 13
01/06 23:50   06 47.23  +21 41.8   2.522   3.502  175.1    1.4   10.3/280.7   0.1/ 80  169  1  17.9  +77/  8
01/07 23:50   06 46.50  +21 43.7   2.522   3.502  173.9    1.7   10.3/280.7   0.1/ 83  157  1  17.9  +76/ 12
01/08 23:50   06 45.78  +21 45.6   2.523   3.501  172.7    2.0   10.2/280.7   0.1/ 85  145  2  17.9  +76/ 17
inserted by FC2 system