123P/West-Hartley 
   From 2217 observations 1989 Mar. 14-2018 Oct. 12.(5) Kinoshita
   Epoch = 2020 Feb. 1.0 TT = JDT 2458880.5 
       T = 2019 Feb. 5.31220 TT             peri.= 103.09416 
       e = 0.4487689                        node =  46.49606 (2000.0) 
       q = 2.1278453 AU                     incl.=  15.35445 
   a = 3.8601693 AU          n = 0.12995546         P = 7.58 years 
  m1 = 6.0 + 5log(delta) + 20.0log(r) 
  A. Node = E:11/09.9 JST  O:2018/01/11.1 JST  3.432 AU 
  D. Node = E:05/07.2 JST  O:2019/10/09.0 JST  2.798 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 06:00   16 51.41  -26 24.8   3.953   3.214   36.3   10.4   19.5/104.5   0.3/271  130 16  19.1  +11/314
01/13 06:00   16 52.82  -26 29.6   3.949   3.219   37.0   10.6   19.4/104.5   0.3/271  115 17  19.1  +12/315
01/14 06:00   16 54.22  -26 34.5   3.944   3.223   37.7   10.8   19.3/104.4   0.3/271  101 18  19.1  +12/315
01/15 05:50   16 55.61  -26 39.2   3.940   3.228   38.4   10.9   19.2/104.4   0.3/271   87 19  19.2  +11/314
01/16 05:50   16 57.00  -26 44.0   3.935   3.232   39.1   11.1   19.1/104.3   0.3/271   73 20  19.2  +11/314
01/17 05:50   16 58.38  -26 48.7   3.930   3.236   39.8   11.2   19.0/104.3   0.3/271   60 21  19.2  +12/315
01/18 05:50   16 59.76  -26 53.3   3.925   3.241   40.5   11.4   18.9/104.2   0.3/271   46 22  19.2  +12/315
01/19 05:50   17 01.13  -26 57.9   3.919   3.245   41.2   11.5   18.8/104.2   0.3/271   33 23  19.2  +12/316
01/20 05:50   17 02.49  -27 02.5   3.914   3.249   42.0   11.7   18.6/104.2   0.3/271   20 24  19.2  +13/316
01/21 05:50   17 03.84  -27 07.1   3.908   3.254   42.7   11.8   18.5/104.1   0.3/271    8 26  19.2  +13/317
01/22 05:50   17 05.19  -27 11.6   3.903   3.258   43.4   12.0   18.4/104.1   0.3/271   10 27  19.2  +13/317
01/23 05:40   17 06.52  -27 16.0   3.897   3.262   44.1   12.1   18.3/104.1   0.3/271   21 27  19.2  +12/316
01/24 05:40   17 07.85  -27 20.4   3.891   3.267   44.8   12.3   18.2/104.1   0.3/271   33 28  19.2  +12/317
01/25 05:40   17 09.18  -27 24.8   3.885   3.271   45.5   12.4   18.0/104.1   0.3/271   45  0  19.2  +13/317
01/26 05:40   17 10.49  -27 29.2   3.878   3.276   46.2   12.5   17.9/104.1   0.3/271   57  1  19.2  +13/318
01/27 05:40   17 11.80  -27 33.5   3.872   3.280   47.0   12.7   17.8/104.0   0.3/270   69  2  19.3  +13/318
01/28 05:40   17 13.09  -27 37.8   3.866   3.284   47.7   12.8   17.7/104.0   0.3/270   81  3  19.3  +14/319
01/29 05:40   17 14.38  -27 42.1   3.859   3.289   48.4   12.9   17.5/104.0   0.3/270   92  4  19.3  +14/319
01/30 05:30   17 15.66  -27 46.3   3.852   3.293   49.1   13.1   17.4/104.1   0.3/270  104  5  19.3  +13/318
01/31 05:30   17 16.93  -27 50.5   3.845   3.297   49.8   13.2   17.2/104.1   0.3/270  115  5  19.3  +13/318
02/01 05:30   17 18.19  -27 54.7   3.838   3.302   50.6   13.3   17.1/104.1   0.3/270  126  6  19.3  +13/319
02/02 05:30   17 19.44  -27 58.8   3.831   3.306   51.3   13.5   17.0/104.1   0.3/270  138  7  19.3  +14/320
02/03 05:30   17 20.69  -28 02.9   3.824   3.310   52.0   13.6   16.8/104.1   0.3/270  150  8  19.3  +14/320
02/04 05:30   17 21.92  -28 07.0   3.817   3.315   52.8   13.7   16.7/104.2   0.3/270  161  9  19.3  +14/321
02/05 05:20   17 23.14  -28 11.0   3.809   3.319   53.5   13.8   16.6/104.2   0.4/270  172 10  19.3  +13/319
02/06 05:20   17 24.35  -28 15.1   3.801   3.323   54.3   13.9   16.4/104.2   0.4/270  170 11  19.3  +14/320
02/07 05:20   17 25.55  -28 19.1   3.794   3.328   55.0   14.0   16.3/104.3   0.4/270  158 12  19.3  +14/320
02/08 05:20   17 26.75  -28 23.1   3.786   3.332   55.7   14.2   16.1/104.3   0.4/270  144 13  19.3  +14/321
02/09 05:20   17 27.93  -28 27.1   3.778   3.336   56.5   14.3   16.0/104.4   0.4/270  130 14  19.4  +15/321
02/10 05:20   17 29.11  -28 31.0   3.770   3.341   57.2   14.4   15.8/104.5   0.4/270  115 15  19.4  +15/322
02/11 05:10   17 30.26  -28 34.9   3.762   3.345   58.0   14.5   15.7/104.5   0.4/270  101 17  19.4  +14/321
02/12 05:10   17 31.41  -28 38.8   3.754   3.349   58.7   14.6   15.5/104.6   0.4/270   86 18  19.4  +14/321
inserted by FC2 system