117P/Helin-Roman-Alu 
   From 4104 observations 1988 Aug. 10-2017 Mar. 17. Kinoshita
   Epoch = 2017 Dec. 13.0 TT = JDT 2458100.5 
       T = 2014 Mar. 27.31729 TT            peri.= 222.49331 
       e = 0.2547774                        node =  58.87616 (2000.0) 
       q = 3.0495220 AU                     incl.=   8.70157 
   a = 4.0920952 AU          n = 0.11906537         P = 8.28 years 
  m1 = 6.0 + 5log(delta) + 12.5log(r) 
  A. Node = E:11/21.6 JST  O:2016/11/15.2 JST  4.712 AU 
  D. Node = E:05/20.3 JST  O:2013/08/26.9 JST  3.221 AU 

2017   JST     R.A. (2000) D.C.    Delta     r    Elong. Phase   dMo./P.A.   Tail/P.A. M-O Ag   m1     H/A
11/13 01:00   06 24.42  +28 13.8   4.341   5.086  134.6    8.0    5.0/289.2   0.2/268   67 24  18.0  +65/277
11/14 01:00   06 24.06  +28 15.5   4.331   5.086  135.7    7.8    5.2/288.4   0.2/267   81 25  18.0  +66/278
11/15 01:00   06 23.69  +28 17.1   4.321   5.087  136.8    7.7    5.4/287.8   0.2/267   93 26  18.0  +66/279
11/16 01:00   06 23.30  +28 18.7   4.310   5.087  137.9    7.5    5.6/287.1   0.2/267  106 27  18.0  +67/280
11/17 01:00   06 22.90  +28 20.4   4.300   5.088  138.9    7.3    5.8/286.5   0.2/267  118 28  18.0  +68/281
11/18 01:00   06 22.48  +28 22.0   4.291   5.088  140.0    7.2    5.9/285.9   0.2/266  130 29  18.0  +69/282
11/19 00:50   06 22.05  +28 23.6   4.281   5.089  141.1    7.0    6.1/285.4   0.2/266  142  0  18.0  +68/280
11/20 00:50   06 21.60  +28 25.2   4.272   5.089  142.2    6.8    6.3/284.9   0.2/266  154  1  18.0  +69/281
11/21 00:50   06 21.14  +28 26.9   4.263   5.090  143.3    6.7    6.4/284.4   0.2/265  165  2  18.0  +70/283
11/22 00:50   06 20.67  +28 28.4   4.254   5.090  144.4    6.5    6.6/283.9   0.1/265  171  3  18.0  +71/284
11/23 00:50   06 20.19  +28 30.0   4.246   5.091  145.5    6.3    6.7/283.5   0.1/264  166  4  18.0  +71/285
11/24 00:40   06 19.69  +28 31.6   4.238   5.091  146.6    6.1    6.9/283.0   0.1/264  156  5  18.0  +70/283
11/25 00:40   06 19.18  +28 33.1   4.230   5.092  147.7    5.9    7.0/282.6   0.1/264  144  5  18.0  +71/284
11/26 00:40   06 18.66  +28 34.7   4.222   5.092  148.8    5.8    7.2/282.2   0.1/263  132  6  18.0  +72/286
11/27 00:40   06 18.13  +28 36.2   4.215   5.093  149.9    5.6    7.3/281.8   0.1/263  120  7  18.0  +73/287
11/28 00:40   06 17.58  +28 37.7   4.207   5.093  151.0    5.4    7.5/281.5   0.1/262  108  8  18.0  +74/289
11/29 00:40   06 17.03  +28 39.2   4.201   5.094  152.1    5.2    7.6/281.1   0.1/262   95  9  18.0  +75/290
11/30 00:30   06 16.47  +28 40.6   4.194   5.094  153.2    5.0    7.7/280.8   0.1/261   81 10  18.0  +74/288
12/01 00:30   06 15.89  +28 42.1   4.188   5.095  154.4    4.8    7.8/280.4   0.1/260   67 11  17.9  +75/290
12/02 00:30   06 15.30  +28 43.5   4.182   5.095  155.5    4.6    8.0/280.1   0.1/260   53 12  17.9  +76/291
12/03 00:30   06 14.71  +28 44.9   4.176   5.096  156.6    4.4    8.1/279.8   0.1/259   38 13  17.9  +76/293
12/04 00:30   06 14.10  +28 46.2   4.170   5.096  157.7    4.2    8.2/279.5   0.1/258   24 15  17.9  +77/296
12/05 00:20   06 13.49  +28 47.6   4.165   5.097  158.8    4.0    8.3/279.2   0.1/257   11 16  17.9  +76/293
12/06 00:20   06 12.87  +28 48.9   4.160   5.097  159.9    3.8    8.4/278.9   0.1/256   12 17  17.9  +77/295
12/07 00:20   06 12.24  +28 50.2   4.156   5.097  161.0    3.6    8.5/278.6   0.1/255   25 18  17.9  +78/297
12/08 00:20   06 11.60  +28 51.4   4.151   5.098  162.1    3.4    8.6/278.3   0.1/254   39 19  17.9  +79/300
12/09 00:20   06 10.96  +28 52.6   4.147   5.098  163.2    3.2    8.6/278.0   0.1/253   53 20  17.9  +80/303
12/10 00:10   06 10.31  +28 53.8   4.144   5.099  164.3    3.0    8.7/277.7   0.1/251   67 21  17.9  +79/300
12/11 00:10   06 09.65  +28 55.0   4.140   5.099  165.3    2.8    8.8/277.4   0.1/249   80 22  17.9  +80/303
12/12 00:10   06 08.99  +28 56.1   4.137   5.100  166.4    2.6    8.9/277.2   0.1/247   93 23  17.9  +80/306
12/13 00:10   06 08.32  +28 57.2   4.135   5.100  167.4    2.4    8.9/276.9   0.1/245  106 24  17.9  +81/310
inserted by FC2 system