C/2017 A3 (Elenin) 
   From 173 observations 2017 Jan. 5-Apr. 25. Kinoshita
   Epoch = 2018 Jan. 22.0 TT = JDT 2458140.5 
       T = 2017 Jan. 30.65634 TT            peri.= 304.11467 
       e = 0.9112637                        node =  97.89986 (2000.0) 
       q = 3.8546086 AU                     incl.=  98.51761 
   a = 43.4389250 AU         n = 0.00344259         P = 286.30 years 
  m1 = 9.0 + 5log(delta) + 10.0log(r) 
  A. Node = E:12/30.1 JST  O:2018/01/31.9 JST  4.875 AU 
  D. Node = E:06/30.3 JST  O:2010/11/16.7 JST  15.068 AU 

2018   JST     R.A. (2000) D.C.    Delta     r    Elong. Phase   dMo./P.A.   Tail/P.A. M-O Ag   m1     H/A
01/12 23:30   06 20.06  +20 41.0   3.839   4.786  162.4    3.6   18.2/301.2   0.1/ 84  149 25  18.7  +73/ 34
01/13 23:30   06 18.95  +20 50.4   3.849   4.791  161.2    3.8   18.0/301.2   0.1/ 84  161 26  18.7  +73/ 37
01/14 23:30   06 17.85  +20 59.7   3.860   4.795  159.9    4.0   17.9/301.3   0.1/ 85  173 27  18.7  +72/ 41
01/15 23:20   06 16.77  +21 08.9   3.870   4.800  158.7    4.3   17.7/301.4   0.1/ 86  175 28  18.8  +73/ 38
01/16 23:20   06 15.69  +21 18.1   3.882   4.805  157.4    4.5   17.5/301.5   0.1/ 87  163 29  18.8  +73/ 42
01/17 23:20   06 14.62  +21 27.3   3.893   4.809  156.2    4.7   17.3/301.6   0.1/ 87  151  0  18.8  +72/ 45
01/18 23:20   06 13.56  +21 36.3   3.905   4.814  154.9    5.0   17.1/301.7   0.1/ 88  138  1  18.8  +71/ 48
01/19 23:20   06 12.52  +21 45.3   3.917   4.819  153.6    5.2   16.9/301.9   0.1/ 88  126  2  18.8  +71/ 51
01/20 23:10   06 11.50  +21 54.2   3.930   4.824  152.4    5.4   16.7/302.0   0.1/ 88  114  3  18.8  +72/ 49
01/21 23:10   06 10.48  +22 03.0   3.943   4.828  151.2    5.6   16.5/302.1   0.1/ 89  101  4  18.8  +71/ 52
01/22 23:10   06 09.47  +22 11.7   3.956   4.833  149.9    5.9   16.2/302.3   0.1/ 89   88  5  18.8  +70/ 54
01/23 23:10   06 08.48  +22 20.4   3.970   4.838  148.7    6.1   16.0/302.5   0.1/ 89   75  6  18.8  +69/ 57
01/24 23:10   06 07.51  +22 29.0   3.984   4.842  147.4    6.3   15.8/302.7   0.2/ 89   62  7  18.9  +69/ 59
01/25 23:10   06 06.55  +22 37.5   3.998   4.847  146.2    6.5   15.6/302.9   0.2/ 89   48  8  18.9  +68/ 62
01/26 23:00   06 05.61  +22 45.9   4.013   4.852  145.0    6.7   15.3/303.1   0.2/ 90   34  9  18.9  +69/ 60
01/27 23:00   06 04.68  +22 54.2   4.028   4.857  143.7    6.9   15.1/303.3   0.2/ 90   19 10  18.9  +68/ 62
01/28 23:00   06 03.77  +23 02.5   4.043   4.861  142.5    7.1   14.8/303.5   0.2/ 90    5 11  18.9  +67/ 64
01/29 23:00   06 02.87  +23 10.7   4.058   4.866  141.3    7.3   14.6/303.8   0.2/ 90   12 12  18.9  +67/ 66
01/30 23:00   06 01.99  +23 18.8   4.074   4.871  140.1    7.5   14.3/304.1   0.2/ 90   27 14  18.9  +66/ 68
01/31 22:50   06 01.14  +23 26.7   4.090   4.876  138.9    7.6   14.1/304.4   0.2/ 90   42 15  18.9  +67/ 66
02/01 22:50   06 00.29  +23 34.7   4.107   4.880  137.7    7.8   13.8/304.7   0.2/ 90   57 16  19.0  +66/ 68
02/02 22:50   05 59.46  +23 42.5   4.123   4.885  136.5    8.0   13.6/305.0   0.2/ 90   71 17  19.0  +65/ 70
02/03 22:50   05 58.65  +23 50.3   4.140   4.890  135.3    8.2   13.3/305.3   0.2/ 90   86 18  19.0  +64/ 72
02/04 22:50   05 57.86  +23 58.0   4.158   4.895  134.1    8.3   13.1/305.7   0.2/ 90  100 19  19.0  +63/ 73
02/05 22:50   05 57.09  +24 05.6   4.175   4.900  132.9    8.5   12.8/306.1   0.2/ 90  113 20  19.0  +63/ 75
02/06 22:40   05 56.33  +24 13.1   4.193   4.904  131.7    8.6   12.6/306.5   0.2/ 90  126 21  19.0  +64/ 73
02/07 22:40   05 55.60  +24 20.6   4.211   4.909  130.5    8.8   12.3/306.9   0.2/ 90  138 22  19.0  +63/ 75
02/08 22:40   05 54.88  +24 28.0   4.229   4.914  129.3    8.9   12.0/307.4   0.2/ 90  150 23  19.0  +62/ 76
02/09 22:40   05 54.18  +24 35.3   4.248   4.919  128.2    9.1   11.8/307.9   0.2/ 90  162 24  19.1  +61/ 78
02/10 22:40   05 53.49  +24 42.5   4.266   4.924  127.0    9.2   11.5/308.4   0.2/ 90  173 25  19.1  +60/ 79
02/11 22:40   05 52.83  +24 49.6   4.285   4.929  125.8    9.3   11.3/308.9   0.2/ 90  171 26  19.1  +59/ 80
02/12 22:30   05 52.19  +24 56.7   4.304   4.933  124.7    9.5   11.0/309.5   0.2/ 90  161 26  19.1  +60/ 79
inserted by FC2 system