26P/Grigg-Skjellerup 
   From 480 observations 1991 Sept. 9-2018 Feb. 14.(21) Kinoshita
   Epoch = 2018 Sept. 19.0 TT = JDT 2458380.5 
       T = 2018 Oct. 1.82190 TT             peri.=   2.20091 
       e = 0.6409514                        node = 211.53397 (2000.0) 
       q = 1.0822950 AU                     incl.=  22.44978 
   a = 3.0143411 AU          n = 0.18832825         P = 5.23 years 
  m2 = 16.7 + 5log(delta) + 5.0log(r) 
  A. Node = E:04/22.3 JST  O:2018/09/30.2 JST  1.083 AU 
  D. Node = E:10/25.6 JST  O:2021/04/04.0 JST  4.940 AU 

2018   JST     R.A. (2000) D.C.    Delta     r    Elong. Phase   dMo./P.A.   Tail/P.A. M-O Ag   m2     H/A
09/09 18:20   11 49.73  -03 47.7   2.076   1.122   13.5   12.1   59.3/101.4   0.6/133   19 29  18.5   +1/ 85
09/10 18:20   11 53.61  -03 59.4   2.073   1.119   13.4   12.1   59.5/101.4   0.6/132    9  1  18.5   +1/ 85
09/11 18:20   11 57.51  -04 11.1   2.070   1.115   13.4   12.1   59.7/101.3   0.6/131   13  2  18.5   +1/ 84
09/12 18:20   12 01.43  -04 22.8   2.067   1.112   13.3   12.0   59.9/101.2   0.6/130   24  3  18.5   +1/ 84
09/13 18:20   12 05.35  -04 34.4   2.064   1.109   13.3   12.0   60.1/101.2   0.6/129   37  4  18.5   +0/ 84
09/14 18:10   12 09.27  -04 45.9   2.062   1.107   13.2   12.0   60.2/101.1   0.6/128   48  5  18.5   +2/ 83
09/15 18:10   12 13.22  -04 57.5   2.059   1.104   13.2   12.0   60.4/101.0   0.6/127   60  6  18.5   +2/ 82
09/16 18:10   12 17.19  -05 09.0   2.057   1.101   13.1   12.0   60.6/101.0   0.6/126   71  7  18.5   +2/ 82
09/17 18:10   12 21.17  -05 20.5   2.054   1.099   13.1   12.0   60.7/100.9   0.6/126   82  8  18.5   +2/ 82
09/18 18:10   12 25.17  -05 31.9   2.052   1.097   13.1   11.9   60.9/100.8   0.6/125   93  9  18.5   +2/ 82
09/19 18:10   12 29.17  -05 43.2   2.050   1.095   13.0   11.9   61.0/100.7   0.6/124  104 10  18.5   +2/ 82
09/20 18:10   12 33.19  -05 54.5   2.048   1.093   13.0   11.9   61.2/100.6   0.6/123  115 10  18.4   +2/ 82
09/21 18:10   12 37.23  -06 05.7   2.046   1.091   13.0   11.9   61.3/100.5   0.6/121  125 11  18.4   +2/ 81
09/22 18:00   12 41.24  -06 16.8   2.044   1.090   13.0   11.9   61.4/100.4   0.6/120  136 12  18.4   +4/ 80
09/23 18:00   12 45.29  -06 27.8   2.042   1.088   13.0   12.0   61.5/100.3   0.6/119  147 13  18.4   +3/ 80
09/24 18:00   12 49.36  -06 38.7   2.041   1.087   13.0   12.0   61.7/100.2   0.6/118  158 14  18.4   +3/ 79
09/25 18:00   12 53.43  -06 49.6   2.039   1.086   13.0   12.0   61.8/100.1   0.6/117  169 15  18.4   +3/ 79
09/26 18:00   12 57.52  -07 00.3   2.038   1.085   13.0   12.0   61.9/100.0   0.6/116  174 16  18.4   +3/ 79
09/27 18:00   13 01.61  -07 11.0   2.037   1.084   13.0   12.0   62.0/ 99.8   0.6/115  165 17  18.4   +3/ 79
09/28 18:00   13 05.71  -07 21.5   2.036   1.083   13.0   12.0   62.0/ 99.7   0.6/114  153 18  18.4   +3/ 79
09/29 18:00   13 09.83  -07 31.9   2.035   1.083   13.0   12.1   62.1/ 99.6   0.6/113  141 19  18.4   +3/ 79
09/30 18:00   13 13.95  -07 42.2   2.034   1.082   13.1   12.1   62.2/ 99.5   0.6/112  129 20  18.4   +3/ 78
10/01 17:50   13 18.05  -07 52.3   2.033   1.082   13.1   12.1   62.2/ 99.3   0.6/111  116 21  18.4   +5/ 77
10/02 17:50   13 22.18  -08 02.3   2.033   1.082   13.1   12.1   62.3/ 99.2   0.6/109  103 22  18.4   +5/ 77
10/03 17:50   13 26.32  -08 12.1   2.032   1.082   13.2   12.2   62.3/ 99.0   0.6/108   90 23  18.4   +5/ 76
10/04 17:50   13 30.47  -08 21.9   2.032   1.083   13.2   12.2   62.4/ 98.9   0.6/107   77 24  18.4   +5/ 76
10/05 17:50   13 34.63  -08 31.4   2.032   1.083   13.3   12.2   62.4/ 98.7   0.6/106   64 25  18.4   +5/ 76
10/06 17:50   13 38.79  -08 40.8   2.032   1.084   13.3   12.3   62.4/ 98.6   0.6/105   50 26  18.4   +5/ 76
10/07 17:50   13 42.96  -08 50.1   2.032   1.085   13.4   12.3   62.5/ 98.4   0.6/104   37 27  18.4   +5/ 76
10/08 17:50   13 47.12  -08 59.2   2.032   1.086   13.4   12.4   62.5/ 98.3   0.6/103   24 28  18.4   +5/ 76
10/09 17:50   13 51.30  -09 08.1   2.033   1.087   13.5   12.4   62.5/ 98.1   0.6/102   11  0  18.4   +5/ 76
inserted by FC2 system