117P/Helin-Roman-Alu 
   From 4119 observations 1988 Aug. 12-2018 Mar. 10. Kinoshita
   Epoch = 2020 Feb. 1.0 TT = JDT 2458880.5 
       T = 2022 July 6.59483 TT             peri.= 222.65691 
       e = 0.2556929                        node =  58.86222 (2000.0) 
       q = 3.0427560 AU                     incl.=   8.70110 
   a = 4.0880385 AU          n = 0.11924265         P = 8.27 years 
  m1 = 5.0 + 5log(delta) + 15.0log(r) 
  A. Node = E:11/22.1 JST  O:2025/02/20.3 JST  4.706 AU 
  D. Node = E:05/20.1 JST  O:2021/12/06.1 JST  3.216 AU 

2020   JST     R.A. (2000) D.C.    Delta     r    Elong. Phase   dMo./P.A.   Tail/P.A. M-O Ag   m1     H/A
01/12 01:50   10 54.43  +18 08.4   3.907   4.622  131.9    9.1    4.4/318.1   0.2/283   36 16  17.9  +62/301
01/13 01:50   10 54.23  +18 11.6   3.894   4.621  132.9    9.0    4.6/316.6   0.2/283   22 17  17.9  +63/302
01/14 01:50   10 54.00  +18 15.0   3.881   4.619  134.0    8.8    4.8/315.3   0.2/283    9 18  17.9  +64/303
01/15 01:50   10 53.77  +18 18.4   3.869   4.617  135.0    8.7    5.0/314.1   0.2/282   10 19  17.9  +64/305
01/16 01:40   10 53.52  +18 21.8   3.856   4.616  136.1    8.5    5.2/313.0   0.2/282   23 20  17.9  +63/303
01/17 01:40   10 53.25  +18 25.3   3.844   4.614  137.1    8.3    5.4/311.9   0.2/281   37 21  17.9  +64/304
01/18 01:40   10 52.97  +18 28.9   3.832   4.612  138.2    8.2    5.5/310.9   0.2/281   51 22  17.9  +65/306
01/19 01:40   10 52.68  +18 32.5   3.820   4.611  139.2    8.0    5.7/310.0   0.2/280   65 23  17.9  +66/307
01/20 01:40   10 52.37  +18 36.2   3.809   4.609  140.3    7.8    5.9/309.1   0.2/280   79 24  17.9  +66/309
01/21 01:30   10 52.05  +18 39.9   3.798   4.607  141.4    7.7    6.1/308.3   0.2/279   92 25  17.8  +65/306
01/22 01:30   10 51.71  +18 43.7   3.786   4.606  142.4    7.5    6.3/307.5   0.2/279  106 26  17.8  +66/308
01/23 01:30   10 51.36  +18 47.5   3.776   4.604  143.5    7.3    6.5/306.8   0.2/278  119 27  17.8  +67/310
01/24 01:30   10 51.00  +18 51.4   3.765   4.602  144.5    7.1    6.6/306.0   0.2/277  132 28  17.8  +68/312
01/25 01:20   10 50.62  +18 55.3   3.755   4.601  145.6    6.9    6.8/305.4   0.2/277  144 29  17.8  +67/309
01/26 01:20   10 50.23  +18 59.2   3.745   4.599  146.7    6.8    7.0/304.7   0.2/276  156  1  17.8  +68/311
01/27 01:20   10 49.82  +19 03.2   3.735   4.597  147.7    6.6    7.2/304.1   0.2/275  168  2  17.8  +68/313
01/28 01:20   10 49.40  +19 07.2   3.725   4.596  148.8    6.4    7.3/303.5   0.2/274  173  3  17.8  +69/315
01/29 01:10   10 48.98  +19 11.2   3.716   4.594  149.8    6.2    7.5/302.9   0.2/274  165  3  17.8  +68/312
01/30 01:10   10 48.53  +19 15.3   3.707   4.592  150.9    6.0    7.6/302.4   0.2/273  154  4  17.8  +69/314
01/31 01:10   10 48.08  +19 19.4   3.698   4.590  151.9    5.8    7.8/301.8   0.2/272  142  5  17.8  +70/316
02/01 01:10   10 47.61  +19 23.5   3.689   4.589  152.9    5.6    7.9/301.3   0.1/271  130  6  17.8  +70/318
02/02 01:00   10 47.14  +19 27.6   3.681   4.587  154.0    5.4    8.1/300.8   0.1/269  118  7  17.8  +69/315
02/03 01:00   10 46.65  +19 31.7   3.673   4.585  155.0    5.2    8.2/300.3   0.1/268  106  8  17.7  +70/318
02/04 01:00   10 46.15  +19 35.9   3.666   4.584  156.0    5.0    8.3/299.9   0.1/267   94  9  17.7  +71/320
02/05 00:50   10 45.64  +19 40.0   3.658   4.582  157.0    4.8    8.4/299.4   0.1/266   81 10  17.7  +70/317
02/06 00:50   10 45.12  +19 44.1   3.651   4.580  158.0    4.6    8.6/299.0   0.1/264   68 11  17.7  +71/319
02/07 00:50   10 44.58  +19 48.3   3.644   4.579  159.0    4.4    8.7/298.5   0.1/262   54 12  17.7  +71/322
02/08 00:50   10 44.04  +19 52.4   3.638   4.577  160.0    4.2    8.8/298.1   0.1/260   40 13  17.7  +72/324
02/09 00:40   10 43.50  +19 56.5   3.632   4.575  160.9    4.0    8.9/297.6   0.1/258   26 14  17.7  +71/321
02/10 00:40   10 42.94  +20 00.6   3.626   4.573  161.8    3.9    9.0/297.2   0.1/256   12 15  17.7  +72/324
02/11 00:40   10 42.37  +20 04.7   3.620   4.572  162.7    3.7    9.1/296.8   0.1/254    9 16  17.7  +73/326
02/12 00:40   10 41.80  +20 08.8   3.615   4.570  163.6    3.5    9.2/296.4   0.1/251   21 17  17.7  +73/330
inserted by FC2 system