C/2013 C2 (Tenagra) 
   From 415 observations 2013 Feb. 14-2017 May 27. Kinoshita
   Epoch = 2018 Jan. 22.0 TT = JDT 2458140.5 
       T = 2015 Sept. 8.13146 TT            peri.= 309.18161 
       e = 0.4309348                        node = 247.52975 (2000.0) 
       q = 9.1379617 AU                     incl.=  21.33838 
   a = 16.0578466 AU         n = 0.01531698         P = 64.35 years 
  m1 = 4.0 + 5log(delta) + 10.0log(r) 
  A. Node = E:05/29.6 JST  O:2019/03/22.8 JST  10.278 AU 
  D. Node = E:11/30.2 JST  O:2000/12/23.1 JST  17.968 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 05:20   15 36.21  -24 49.0  10.218   9.670   53.9    4.7    5.5/100.1   0.0/280   11 25  18.9  +18/320
01/13 05:20   15 36.60  -24 49.9  10.205   9.671   54.8    4.8    5.4/100.0   0.0/280   14 26  18.9  +18/321
01/14 05:10   15 36.99  -24 50.8  10.193   9.672   55.7    4.8    5.3/100.0   0.0/280   23 27  18.9  +18/319
01/15 05:10   15 37.37  -24 51.8  10.180   9.674   56.6    4.9    5.2/ 99.9   0.0/280   34 27  18.9  +18/320
01/16 05:10   15 37.75  -24 52.7  10.167   9.675   57.5    4.9    5.2/ 99.9   0.0/280   45 28  18.9  +18/321
01/17 05:10   15 38.13  -24 53.5  10.154   9.676   58.5    5.0    5.1/ 99.9   0.0/280   56 29  18.9  +19/321
01/18 05:10   15 38.50  -24 54.4  10.141   9.677   59.4    5.0    5.0/ 99.8   0.0/280   68  1  18.9  +19/322
01/19 05:00   15 38.86  -24 55.3  10.128   9.678   60.3    5.1    4.9/ 99.8   0.0/280   79  2  18.9  +18/321
01/20 05:00   15 39.21  -24 56.1  10.114   9.680   61.2    5.1    4.9/ 99.7   0.0/280   91  2  18.9  +19/322
01/21 05:00   15 39.57  -24 56.9  10.101   9.681   62.2    5.2    4.8/ 99.7   0.1/280  103  3  18.9  +19/322
01/22 05:00   15 39.91  -24 57.7  10.087   9.682   63.1    5.2    4.7/ 99.6   0.1/281  115  4  18.9  +20/323
01/23 05:00   15 40.25  -24 58.5  10.073   9.683   64.0    5.2    4.6/ 99.5   0.1/281  128  5  18.9  +20/324
01/24 04:50   15 40.59  -24 59.3  10.060   9.684   65.0    5.3    4.5/ 99.5   0.1/281  140  6  18.9  +19/323
01/25 04:50   15 40.91  -24 60.0  10.046   9.686   65.9    5.3    4.5/ 99.4   0.1/281  153  7  18.9  +20/323
01/26 04:50   15 41.24  -25 00.7  10.031   9.687   66.8    5.4    4.4/ 99.3   0.1/281  164  8  18.9  +20/324
01/27 04:50   15 41.55  -25 01.4  10.017   9.688   67.8    5.4    4.3/ 99.3   0.1/281  169  9  18.9  +21/325
01/28 04:50   15 41.87  -25 02.1  10.003   9.689   68.7    5.4    4.2/ 99.2   0.1/281  161 10  18.9  +21/326
01/29 04:40   15 42.17  -25 02.8   9.989   9.690   69.7    5.5    4.1/ 99.1   0.1/281  147 12  18.9  +20/324
01/30 04:40   15 42.47  -25 03.4   9.974   9.692   70.6    5.5    4.0/ 99.0   0.1/281  133 13  18.9  +21/325
01/31 04:40   15 42.76  -25 04.1   9.959   9.693   71.5    5.5    3.9/ 98.9   0.1/281  118 14  18.9  +21/326
02/01 04:40   15 43.05  -25 04.7   9.945   9.694   72.5    5.6    3.9/ 98.9   0.1/281  104 15  18.9  +22/327
02/02 04:40   15 43.33  -25 05.3   9.930   9.695   73.4    5.6    3.8/ 98.8   0.1/281   89 16  18.9  +22/327
02/03 04:30   15 43.60  -25 05.8   9.915   9.696   74.4    5.6    3.7/ 98.7   0.1/281   75 17  18.8  +21/326
02/04 04:30   15 43.87  -25 06.4   9.900   9.698   75.3    5.6    3.6/ 98.5   0.1/282   61 18  18.8  +22/327
02/05 04:30   15 44.13  -25 06.9   9.885   9.699   76.3    5.7    3.5/ 98.4   0.1/282   48 19  18.8  +22/328
02/06 04:30   15 44.38  -25 07.4   9.870   9.700   77.2    5.7    3.4/ 98.3   0.1/282   35 20  18.8  +22/328
02/07 04:20   15 44.63  -25 07.9   9.855   9.701   78.2    5.7    3.3/ 98.2   0.1/282   24 21  18.8  +22/327
02/08 04:20   15 44.87  -25 08.4   9.840   9.702   79.1    5.7    3.2/ 98.0   0.1/282   14 22  18.8  +22/328
02/09 04:20   15 45.10  -25 08.8   9.825   9.704   80.1    5.7    3.1/ 97.9   0.1/282   11 23  18.8  +23/329
02/10 04:20   15 45.33  -25 09.3   9.809   9.705   81.0    5.8    3.0/ 97.7   0.1/282   18 24  18.8  +23/329
02/11 04:10   15 45.55  -25 09.7   9.794   9.706   82.0    5.8    2.9/ 97.5   0.1/282   28 25  18.8  +22/328
02/12 04:10   15 45.76  -25 10.0   9.779   9.707   82.9    5.8    2.8/ 97.3   0.1/282   39 26  18.8  +23/329
inserted by FC2 system