117P/Helin-Roman-Alu 
   From 4119 observations 1988 Aug. 12-2018 Mar. 10. Kinoshita
   Epoch = 2019 Feb. 6.0 TT = JDT 2458520.5 
       T = 2022 July 6.38347 TT             peri.= 222.54042 
       e = 0.2553525                        node =  58.87465 (2000.0) 
       q = 3.0457011 AU                     incl.=   8.70149 
   a = 4.0901248 AU          n = 0.11915142         P = 8.27 years 
  m1 = 5.0 + 5log(delta) + 15.0log(r) 
  A. Node = E:11/21.9 JST  O:2025/02/22.5 JST  4.709 AU 
  D. Node = E:05/20.8 JST  O:2021/12/06.2 JST  3.218 AU 

2019   JST     R.A. (2000) D.C.    Delta     r    Elong. Phase   dMo./P.A.   Tail/P.A. M-O Ag   m1     H/A
01/27 00:10   08 10.85  +29 43.3   4.076   5.042  167.8    2.4    9.0/283.4   0.1/153   82 21  18.6  +83/ 44
01/28 00:10   08 10.18  +29 45.4   4.077   5.042  167.1    2.5    9.0/283.0   0.1/149   95 22  18.6  +82/ 50
01/29 00:10   08 09.51  +29 47.4   4.079   5.041  166.2    2.7    8.9/282.7   0.1/145  108 23  18.6  +81/ 55
01/30 00:10   08 08.84  +29 49.4   4.081   5.040  165.4    2.8    8.8/282.4   0.1/142  121 24  18.6  +81/ 59
01/31 00:10   08 08.17  +29 51.3   4.083   5.040  164.5    3.0    8.8/282.0   0.1/139  133 25  18.6  +80/ 62
02/01 00:10   08 07.51  +29 53.1   4.086   5.039  163.5    3.2    8.7/281.6   0.1/137  145 26  18.6  +79/ 65
02/03 00:00   08 06.21  +29 56.5   4.092   5.037  161.6    3.5    8.6/280.9   0.1/132  167 27  18.6  +79/ 65
02/04 00:00   08 05.56  +29 58.1   4.096   5.037  160.6    3.7    8.5/280.6   0.1/130  170 28  18.6  +78/ 68
02/05 00:00   08 04.92  +29 59.7   4.100   5.036  159.6    3.9    8.4/280.2   0.1/129  162 29  18.6  +78/ 70
02/06 00:00   08 04.29  +30 01.2   4.104   5.035  158.6    4.1    8.3/279.8   0.1/127  152  1  18.6  +77/ 72
02/07 00:00   08 03.66  +30 02.6   4.109   5.034  157.5    4.3    8.2/279.5   0.1/126  140  2  18.6  +76/ 74
02/07 23:50   08 03.05  +30 03.9   4.114   5.034  156.5    4.5    8.1/279.1   0.1/124  129  2  18.6  +77/ 72
02/08 23:50   08 02.43  +30 05.2   4.119   5.033  155.5    4.7    7.9/278.7   0.1/123  117  3  18.6  +76/ 74
02/09 23:50   08 01.83  +30 06.3   4.124   5.032  154.4    4.9    7.8/278.3   0.1/122  105  4  18.6  +75/ 76
02/10 23:50   08 01.23  +30 07.5   4.130   5.031  153.3    5.0    7.7/277.9   0.1/121   93  5  18.6  +74/ 77
02/11 23:50   08 00.65  +30 08.5   4.136   5.030  152.3    5.2    7.6/277.5   0.1/120   80  6  18.6  +73/ 78
02/12 23:50   08 00.07  +30 09.5   4.142   5.030  151.2    5.4    7.4/277.1   0.1/119   68  7  18.6  +72/ 80
02/13 23:40   07 59.51  +30 10.4   4.149   5.029  150.2    5.6    7.3/276.7   0.1/118   55  8  18.6  +74/ 78
02/14 23:40   07 58.95  +30 11.2   4.155   5.028  149.1    5.8    7.1/276.2   0.1/118   41  9  18.6  +73/ 80
02/15 23:40   07 58.40  +30 12.0   4.162   5.027  148.0    6.0    7.0/275.8   0.1/117   28 10  18.6  +72/ 81
02/16 23:40   07 57.87  +30 12.7   4.170   5.027  146.9    6.2    6.8/275.3   0.1/116   15 11  18.6  +71/ 82
02/17 23:40   07 57.34  +30 13.3   4.177   5.026  145.9    6.3    6.7/274.8   0.1/115   10 12  18.6  +70/ 83
02/18 23:40   07 56.83  +30 13.9   4.185   5.025  144.8    6.5    6.5/274.4   0.2/115   21 14  18.6  +69/ 84
02/19 23:30   07 56.33  +30 14.4   4.193   5.024  143.7    6.7    6.4/273.8   0.2/114   35 15  18.6  +70/ 83
02/20 23:30   07 55.84  +30 14.8   4.201   5.023  142.7    6.9    6.2/273.3   0.2/114   50 16  18.6  +69/ 84
02/21 23:30   07 55.36  +30 15.2   4.210   5.023  141.6    7.0    6.0/272.8   0.2/113   65 17  18.6  +68/ 84
02/22 23:30   07 54.90  +30 15.5   4.219   5.022  140.5    7.2    5.9/272.2   0.2/113   79 18  18.6  +67/ 85
02/23 23:30   07 54.44  +30 15.7   4.228   5.021  139.5    7.4    5.7/271.6   0.2/112   94 19  18.6  +67/ 86
02/24 23:20   07 54.01  +30 15.8   4.237   5.020  138.4    7.5    5.5/271.0   0.2/112  107 20  18.6  +68/ 85
02/25 23:20   07 53.58  +30 15.9   4.246   5.019  137.3    7.7    5.3/270.3   0.2/111  120 21  18.7  +67/ 86
02/26 23:20   07 53.17  +30 16.0   4.256   5.019  136.3    7.8    5.2/269.6   0.2/111  133 22  18.7  +66/ 87
02/27 23:20   07 52.77  +30 15.9   4.266   5.018  135.2    8.0    5.0/268.9   0.2/110  145 23  18.7  +65/ 87
inserted by FC2 system