90P/Gehrels 
   From 271 observations 1972 Nov. 10-2017 Nov. 2.(4) Kinoshita
   Epoch = 2018 Jan. 22.0 TT = JDT 2458140.5 
       T = 2017 June 19.17311 TT            peri.=  29.24913 
       e = 0.5096045                        node =  13.24861 (2000.0) 
       q = 2.9748311 AU                     incl.=   9.63488 
   a = 6.0661874 AU          n = 0.06596755         P = 14.94 years 
  m1 = 11.0 + 5log(delta) + 10.0log(r) 
  A. Node = E:10/06.9 JST  O:2017/02/11.9 JST  3.109 AU 
  D. Node = E:04/03.7 JST  O:2021/12/23.3 JST  8.086 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 23:10   05 02.85  +35 23.2   2.462   3.309  144.1   10.0    4.8/240.0   0.4/102  157 25  18.2  +70/ 98
01/13 23:10   05 02.51  +35 20.8   2.473   3.312  143.0   10.3    4.5/237.9   0.4/101  163 26  18.2  +69/ 98
01/14 23:10   05 02.20  +35 18.4   2.484   3.315  142.0   10.5    4.3/235.6   0.4/101  161 27  18.2  +69/ 98
01/15 23:10   05 01.91  +35 16.0   2.495   3.318  141.0   10.7    4.1/233.0   0.4/100  154 28  18.2  +68/ 99
01/16 23:00   05 01.64  +35 13.5   2.506   3.321  140.0   11.0    3.9/230.2   0.4/ 99  144 29  18.2  +69/ 98
01/17 23:00   05 01.40  +35 11.0   2.518   3.324  139.0   11.2    3.7/227.0   0.4/ 99  133  0  18.2  +68/ 98
01/18 23:00   05 01.18  +35 08.5   2.530   3.327  138.0   11.4    3.5/223.5   0.4/ 98  122  1  18.2  +67/ 98
01/19 23:00   05 00.98  +35 06.0   2.542   3.330  137.0   11.6    3.3/219.6   0.4/ 98  111  2  18.2  +66/ 99
01/20 23:00   05 00.81  +35 03.5   2.554   3.333  136.0   11.8    3.1/215.3   0.4/ 97   99  3  18.3  +66/ 99
01/21 23:00   05 00.66  +35 00.9   2.566   3.336  135.0   12.0    3.0/210.5   0.4/ 97   87  4  18.3  +65/ 99
01/22 22:50   05 00.54  +34 58.4   2.579   3.339  134.0   12.2    2.8/205.2   0.5/ 96   75  5  18.3  +66/ 99
01/23 22:50   05 00.44  +34 55.8   2.592   3.342  133.1   12.4    2.7/199.5   0.5/ 96   63  6  18.3  +65/ 99
01/24 22:50   05 00.37  +34 53.2   2.605   3.345  132.1   12.6    2.6/193.3   0.5/ 95   50  7  18.3  +64/ 99
01/25 22:50   05 00.32  +34 50.7   2.618   3.348  131.1   12.8    2.6/186.9   0.5/ 95   38  8  18.3  +63/ 99
01/26 22:50   05 00.30  +34 48.1   2.631   3.351  130.1   13.0    2.6/180.2   0.5/ 94   26  9  18.4  +63/ 99
01/27 22:50   05 00.29  +34 45.6   2.645   3.354  129.1   13.2    2.6/173.5   0.5/ 94   17 10  18.4  +62/100
01/28 22:40   05 00.32  +34 43.0   2.658   3.357  128.2   13.3    2.6/167.1   0.5/ 94   18 11  18.4  +63/ 99
01/29 22:40   05 00.37  +34 40.5   2.672   3.360  127.2   13.5    2.7/160.9   0.5/ 93   28 12  18.4  +62/ 99
01/30 22:40   05 00.44  +34 38.0   2.686   3.364  126.2   13.7    2.8/155.1   0.5/ 93   41 14  18.4  +61/ 99
01/31 22:40   05 00.53  +34 35.4   2.700   3.367  125.3   13.8    2.9/149.7   0.5/ 93   55 15  18.4  +61/100
02/01 22:40   05 00.65  +34 32.9   2.714   3.370  124.3   14.0    3.0/144.8   0.5/ 92   69 16  18.4  +60/100
02/02 22:40   05 00.79  +34 30.4   2.729   3.373  123.4   14.1    3.2/140.5   0.5/ 92   83 17  18.5  +59/100
02/03 22:40   05 00.96  +34 28.0   2.744   3.376  122.4   14.3    3.4/136.5   0.5/ 92   97 18  18.5  +58/100
02/04 22:30   05 01.14  +34 25.5   2.758   3.379  121.5   14.4    3.6/133.0   0.5/ 91  110 19  18.5  +60/100
02/05 22:30   05 01.36  +34 23.1   2.773   3.382  120.5   14.5    3.8/129.9   0.5/ 91  122 20  18.5  +59/100
02/06 22:30   05 01.59  +34 20.6   2.788   3.386  119.6   14.7    4.0/127.1   0.5/ 91  134 21  18.5  +58/100
02/07 22:30   05 01.85  +34 18.2   2.803   3.389  118.7   14.8    4.2/124.6   0.5/ 91  146 22  18.5  +57/101
02/08 22:30   05 02.13  +34 15.9   2.818   3.392  117.7   14.9    4.4/122.3   0.5/ 90  156 23  18.6  +57/101
02/09 22:30   05 02.43  +34 13.5   2.834   3.395  116.8   15.0    4.7/120.2   0.5/ 90  163 24  18.6  +56/101
02/10 22:30   05 02.75  +34 11.1   2.849   3.398  115.9   15.1    4.9/118.4   0.5/ 90  164 25  18.6  +55/101
02/11 22:20   05 03.10  +34 08.8   2.865   3.401  115.0   15.2    5.1/116.7   0.5/ 90  157 26  18.6  +56/101
02/12 22:20   05 03.46  +34 06.5   2.881   3.405  114.1   15.4    5.3/115.2   0.5/ 89  148 26  18.6  +56/101
inserted by FC2 system