C/2017 A3 (Elenin) 
   From 173 observations 2017 Jan. 5-Apr. 25. Kinoshita
   Epoch = 2017 Dec. 13.0 TT = JDT 2458100.5 
       T = 2017 Jan. 30.65348 TT            peri.= 304.11468 
       e = 0.9112409                        node =  97.89996 (2000.0) 
       q = 3.8546202 AU                     incl.=  98.51607 
   a = 43.4278682 AU         n = 0.00344391         P = 286.19 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:06/30.1 JST  O:2010/11/16.7 JST  15.068 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 02:00   07 21.89  +10 59.9   3.951   4.517  119.2   11.0   12.0/310.7   0.3/284   54 24  18.5  +55/306
11/14 01:50   07 21.28  +11 07.7   3.940   4.521  120.3   10.9   12.3/310.2   0.3/285   67 25  18.5  +54/304
11/15 01:50   07 20.64  +11 15.6   3.929   4.525  121.5   10.7   12.5/309.7   0.3/285   80 26  18.5  +55/306
11/16 01:50   07 19.98  +11 23.6   3.918   4.529  122.7   10.6   12.8/309.3   0.3/285   93 27  18.5  +56/307
11/17 01:50   07 19.31  +11 31.7   3.908   4.534  123.9   10.4   13.1/308.8   0.3/285  105 28  18.5  +57/308
11/18 01:50   07 18.61  +11 40.0   3.897   4.538  125.0   10.3   13.4/308.4   0.3/285  118 29  18.5  +58/310
11/19 01:40   07 17.90  +11 48.2   3.887   4.542  126.2   10.1   13.6/308.0   0.3/285  130  0  18.5  +57/308
11/20 01:40   07 17.17  +11 56.6   3.877   4.546  127.4    9.9   13.9/307.7   0.2/286  142  1  18.5  +58/309
11/21 01:40   07 16.42  +12 05.1   3.868   4.550  128.6    9.8   14.2/307.3   0.2/286  153  2  18.5  +58/311
11/22 01:40   07 15.66  +12 13.6   3.858   4.555  129.8    9.6   14.4/307.0   0.2/286  165  3  18.5  +59/312
11/23 01:40   07 14.87  +12 22.3   3.849   4.559  131.0    9.4   14.7/306.6   0.2/286  173  4  18.5  +60/314
11/24 01:30   07 14.07  +12 31.0   3.840   4.563  132.2    9.2   14.9/306.3   0.2/286  167  5  18.5  +59/312
11/25 01:30   07 13.25  +12 39.8   3.832   4.567  133.5    9.0   15.2/306.0   0.2/287  156  6  18.5  +60/313
11/26 01:30   07 12.41  +12 48.7   3.824   4.572  134.7    8.8   15.4/305.8   0.2/287  145  6  18.5  +61/315
11/27 01:30   07 11.56  +12 57.8   3.815   4.576  135.9    8.6   15.7/305.5   0.2/287  132  7  18.5  +62/317
11/28 01:30   07 10.68  +13 06.8   3.808   4.580  137.1    8.4   15.9/305.2   0.2/287  120  8  18.5  +63/319
11/29 01:20   07 09.80  +13 15.9   3.800   4.585  138.4    8.2   16.1/305.0   0.2/287  107  9  18.5  +62/316
11/30 01:20   07 08.89  +13 25.2   3.793   4.589  139.6    8.0   16.4/304.8   0.2/288   93 10  18.5  +63/318
12/01 01:20   07 07.97  +13 34.5   3.786   4.593  140.8    7.8   16.6/304.5   0.2/288   79 11  18.5  +64/320
12/02 01:20   07 07.03  +13 43.9   3.780   4.597  142.1    7.6   16.8/304.3   0.2/288   64 12  18.5  +64/322
12/03 01:10   07 06.09  +13 53.3   3.773   4.602  143.3    7.4   17.0/304.1   0.2/288   49 14  18.5  +64/320
12/04 01:10   07 05.12  +14 02.8   3.767   4.606  144.6    7.1   17.2/303.9   0.2/289   34 15  18.5  +65/322
12/05 01:10   07 04.14  +14 12.4   3.762   4.610  145.8    6.9   17.4/303.7   0.2/289   19 16  18.5  +65/324
12/06 01:10   07 03.14  +14 22.1   3.756   4.615  147.1    6.7   17.6/303.5   0.2/289    6 17  18.5  +66/326
12/07 01:00   07 02.14  +14 31.8   3.751   4.619  148.4    6.4   17.8/303.4   0.2/290   13 18  18.5  +66/324
12/08 01:00   07 01.11  +14 41.5   3.747   4.624  149.6    6.2   18.0/303.2   0.2/290   28 19  18.5  +66/326
12/09 01:00   07 00.08  +14 51.4   3.743   4.628  150.9    5.9   18.1/303.0   0.2/290   42 20  18.5  +67/329
12/10 01:00   06 59.03  +15 01.2   3.739   4.632  152.2    5.7   18.3/302.9   0.1/291   56 21  18.5  +68/331
12/11 01:00   06 57.96  +15 11.2   3.735   4.637  153.4    5.5   18.5/302.7   0.1/291   70 22  18.5  +68/334
12/12 00:50   06 56.90  +15 21.1   3.732   4.641  154.7    5.2   18.6/302.6   0.1/292   83 23  18.5  +68/331
12/13 00:50   06 55.81  +15 31.1   3.729   4.646  156.0    5.0   18.8/302.4   0.1/292   96 24  18.5  +69/334
inserted by FC2 system