117P/Helin-Roman-Alu 
   From 4104 observations 1988 Aug. 10-2017 Mar. 17. Kinoshita
   Epoch = 2018 Apr. 12.0 TT = JDT 2458220.5 
       T = 2014 Mar. 27.68196 TT            peri.= 222.49682 
       e = 0.2549476                        node =  58.87692 (2000.0) 
       q = 3.0484287 AU                     incl.=   8.70173 
   a = 4.0915627 AU          n = 0.11908862         P = 8.28 years 
  m1 = 6.0 + 5log(delta) + 12.5log(r) 
  A. Node = E:11/21.6 JST  O:2016/11/15.1 JST  4.711 AU 
  D. Node = E:05/20.6 JST  O:2013/08/27.4 JST  3.220 AU 

2018   JST     R.A. (2000) D.C.    Delta     r    Elong. Phase   dMo./P.A.   Tail/P.A. M-O Ag   m1     H/A
03/23 21:30   05 41.26  +28 45.3   5.150   5.130   83.3   11.1    5.5/ 93.0   0.2/ 87   12  6  18.4  +41/100
03/24 21:30   05 41.68  +28 45.0   5.166   5.131   82.4   11.1    5.7/ 92.9   0.2/ 87   11  7  18.4  +40/100
03/25 21:30   05 42.12  +28 44.8   5.182   5.131   81.5   11.1    5.9/ 92.8   0.2/ 87   22  8  18.4  +39/101
03/26 21:30   05 42.56  +28 44.5   5.198   5.131   80.7   11.1    6.0/ 92.6   0.2/ 87   35  9  18.5  +39/101
03/27 21:30   05 43.02  +28 44.2   5.213   5.131   79.8   11.0    6.2/ 92.5   0.2/ 87   49 10  18.5  +38/101
03/28 21:30   05 43.48  +28 43.9   5.229   5.131   78.9   11.0    6.3/ 92.4   0.2/ 87   63 12  18.5  +37/102
03/29 21:30   05 43.96  +28 43.6   5.245   5.131   78.0   11.0    6.5/ 92.3   0.2/ 87   76 13  18.5  +36/102
03/30 21:30   05 44.45  +28 43.4   5.261   5.131   77.1   10.9    6.6/ 92.2   0.2/ 87   90 14  18.5  +36/103
03/31 21:20   05 44.95  +28 43.1   5.276   5.132   76.3   10.9    6.8/ 92.2   0.2/ 87  103 15  18.5  +37/102
04/01 21:20   05 45.47  +28 42.9   5.292   5.132   75.4   10.9    6.9/ 92.1   0.2/ 87  117 16  18.5  +36/102
04/02 21:20   05 45.99  +28 42.6   5.307   5.132   74.5   10.8    7.0/ 92.0   0.2/ 87  129 17  18.5  +36/103
04/03 21:20   05 46.52  +28 42.3   5.323   5.132   73.7   10.8    7.2/ 92.0   0.2/ 87  142 18  18.5  +35/103
04/04 21:20   05 47.07  +28 42.1   5.338   5.132   72.8   10.7    7.3/ 91.9   0.2/ 87  154 19  18.5  +34/103
04/05 21:20   05 47.62  +28 41.8   5.353   5.132   71.9   10.7    7.5/ 91.9   0.2/ 87  165 20  18.5  +34/104
04/06 21:20   05 48.19  +28 41.6   5.369   5.132   71.1   10.6    7.6/ 91.8   0.2/ 87  171 20  18.5  +33/104
04/07 21:20   05 48.77  +28 41.4   5.384   5.132   70.2   10.6    7.7/ 91.8   0.2/ 87  166 21  18.5  +32/104
04/08 21:10   05 49.35  +28 41.1   5.399   5.133   69.4   10.5    7.8/ 91.7   0.2/ 87  156 22  18.5  +34/104
04/09 21:10   05 49.94  +28 40.9   5.414   5.133   68.5   10.5    8.0/ 91.7   0.2/ 87  145 23  18.5  +33/104
04/10 21:10   05 50.55  +28 40.6   5.429   5.133   67.7   10.4    8.1/ 91.7   0.2/ 87  133 24  18.6  +32/104
04/11 21:10   05 51.17  +28 40.4   5.443   5.133   66.9   10.3    8.2/ 91.6   0.2/ 87  121 25  18.6  +32/105
04/12 21:10   05 51.79  +28 40.1   5.458   5.133   66.0   10.3    8.4/ 91.6   0.2/ 87  109 26  18.6  +31/105
04/13 21:10   05 52.43  +28 39.9   5.473   5.133   65.2   10.2    8.5/ 91.6   0.2/ 87   97 27  18.6  +30/106
04/14 21:10   05 53.07  +28 39.7   5.487   5.133   64.3   10.1    8.6/ 91.6   0.2/ 87   84 28  18.6  +30/106
04/15 21:10   05 53.72  +28 39.4   5.502   5.133   63.5   10.1    8.7/ 91.6   0.2/ 87   71 29  18.6  +29/106
04/16 21:00   05 54.38  +28 39.2   5.516   5.133   62.7   10.0    8.8/ 91.6   0.2/ 87   58  1  18.6  +30/106
04/17 21:00   05 55.05  +28 38.9   5.530   5.133   61.9    9.9    8.9/ 91.6   0.2/ 87   44  2  18.6  +30/106
04/18 21:00   05 55.73  +28 38.7   5.544   5.134   61.0    9.9    9.1/ 91.5   0.2/ 87   31  3  18.6  +29/106
04/19 21:00   05 56.42  +28 38.4   5.558   5.134   60.2    9.8    9.2/ 91.5   0.2/ 87   18  4  18.6  +28/107
04/20 21:00   05 57.11  +28 38.2   5.572   5.134   59.4    9.7    9.3/ 91.5   0.2/ 87    9  5  18.6  +28/107
04/21 21:00   05 57.82  +28 37.9   5.586   5.134   58.6    9.6    9.4/ 91.5   0.2/ 87   15  6  18.6  +27/107
04/22 21:00   05 58.53  +28 37.7   5.599   5.134   57.8    9.5    9.5/ 91.5   0.2/ 87   28  7  18.6  +27/108
04/23 21:00   05 59.25  +28 37.4   5.613   5.134   56.9    9.4    9.6/ 91.6   0.2/ 87   42  8  18.6  +26/108
inserted by FC2 system