117P/Helin-Roman-Alu 
   From 4119 observations 1988 Aug. 12-2018 Mar. 10. Kinoshita
   Epoch = 2019 Oct. 24.0 TT = JDT 2458780.5 
       T = 2022 July 6.48374 TT             peri.= 222.62184 
       e = 0.2556398                        node =  58.86668 (2000.0) 
       q = 3.0433831 AU                     incl.=   8.70114 
   a = 4.0885890 AU          n = 0.11921857         P = 8.27 years 
  m1 = 5.0 + 5log(delta) + 15.0log(r) 
  A. Node = E:11/22.1 JST  O:2025/02/20.9 JST  4.707 AU 
  D. Node = E:05/20.8 JST  O:2021/12/06.1 JST  3.216 AU 

2019   JST     R.A. (2000) D.C.    Delta     r    Elong. Phase   dMo./P.A.   Tail/P.A. M-O Ag   m1     H/A
09/24 04:20   10 03.54  +19 45.8   5.578   4.789   34.9    6.9   13.0/106.9   0.1/301   35 24  18.9  +17/257
09/25 04:20   10 04.42  +19 42.0   5.567   4.788   35.6    7.0   13.0/106.9   0.1/301   21 25  18.9  +17/258
09/26 04:20   10 05.30  +19 38.2   5.557   4.786   36.4    7.1   12.9/106.8   0.1/301    7 26  18.9  +18/258
09/27 04:20   10 06.17  +19 34.4   5.546   4.785   37.1    7.3   12.9/106.8   0.1/301    9 27  18.9  +18/258
09/28 04:20   10 07.05  +19 30.7   5.535   4.784   37.9    7.4   12.8/106.8   0.1/300   24 28  18.9  +19/259
09/29 04:20   10 07.91  +19 27.0   5.524   4.782   38.6    7.5   12.8/106.7   0.1/300   39  0  18.9  +19/259
09/30 04:20   10 08.78  +19 23.3   5.513   4.781   39.4    7.6   12.7/106.7   0.1/300   53  1  18.9  +20/260
10/01 04:20   10 09.64  +19 19.7   5.501   4.779   40.1    7.8   12.6/106.6   0.1/300   68  2  18.9  +21/260
10/02 04:10   10 10.49  +19 16.1   5.490   4.778   40.9    7.9   12.6/106.6   0.1/300   82  3  18.9  +19/259
10/03 04:10   10 11.34  +19 12.5   5.478   4.777   41.7    8.0   12.5/106.5   0.1/299   96  5  18.9  +20/260
10/04 04:10   10 12.18  +19 08.9   5.466   4.775   42.4    8.1   12.4/106.5   0.1/299  109  6  18.9  +20/260
10/05 04:10   10 13.03  +19 05.4   5.454   4.774   43.2    8.2   12.4/106.4   0.1/299  122  7  18.9  +21/261
10/06 04:10   10 13.86  +19 01.9   5.442   4.772   44.0    8.4   12.3/106.3   0.2/299  134  7  18.9  +22/261
10/07 04:10   10 14.70  +18 58.4   5.429   4.771   44.7    8.5   12.2/106.3   0.2/299  146  8  18.9  +22/262
10/08 04:10   10 15.52  +18 55.0   5.417   4.770   45.5    8.6   12.2/106.2   0.2/299  158  9  18.8  +23/262
10/09 04:10   10 16.35  +18 51.6   5.404   4.768   46.3    8.7   12.1/106.1   0.2/298  170 10  18.8  +23/263
10/10 04:10   10 17.16  +18 48.2   5.391   4.767   47.0    8.8   12.0/106.1   0.2/298  176 11  18.8  +24/263
10/11 04:10   10 17.97  +18 44.9   5.378   4.765   47.8    8.9   11.9/106.0   0.2/298  166 12  18.8  +25/264
10/12 04:00   10 18.78  +18 41.6   5.365   4.764   48.6    9.0   11.8/105.9   0.2/298  155 13  18.8  +23/263
10/13 04:00   10 19.58  +18 38.4   5.352   4.762   49.4    9.1   11.8/105.8   0.2/298  143 14  18.8  +24/263
10/14 04:00   10 20.37  +18 35.1   5.338   4.761   50.1    9.3   11.7/105.8   0.2/298  131 15  18.8  +24/264
10/15 04:00   10 21.16  +18 32.0   5.325   4.760   50.9    9.4   11.6/105.7   0.2/298  119 16  18.8  +25/264
10/16 04:00   10 21.95  +18 28.8   5.311   4.758   51.7    9.5   11.5/105.6   0.2/298  107 17  18.8  +26/265
10/17 04:00   10 22.73  +18 25.7   5.297   4.757   52.5    9.6   11.4/105.5   0.2/297   95 17  18.8  +26/265
10/18 04:00   10 23.50  +18 22.7   5.283   4.755   53.3    9.7   11.3/105.4   0.2/297   83 18  18.8  +27/266
10/19 04:00   10 24.27  +18 19.6   5.269   4.754   54.1    9.8   11.2/105.3   0.2/297   70 19  18.8  +27/266
10/20 04:00   10 25.03  +18 16.7   5.255   4.752   54.9    9.9   11.2/105.2   0.2/297   57 20  18.8  +28/267
10/21 03:50   10 25.78  +18 13.8   5.241   4.751   55.7   10.0   11.1/105.1   0.2/297   44 21  18.7  +27/266
10/22 03:50   10 26.53  +18 10.9   5.226   4.749   56.5   10.1   11.0/105.0   0.2/297   31 22  18.7  +27/266
10/23 03:50   10 27.28  +18 08.1   5.212   4.748   57.3   10.2   10.9/104.8   0.2/297   17 23  18.7  +28/267
10/24 03:50   10 28.01  +18 05.3   5.197   4.747   58.1   10.2   10.8/104.7   0.2/297    5 24  18.7  +29/267
inserted by FC2 system