131P/Mueller 
   From 560 observations 1990 Sept. 15-2018 Oct. 15.(5) Kinoshita
   Epoch = 2019 Feb. 6.0 TT = JDT 2458520.5 
       T = 2019 Jan. 24.23138 TT            peri.= 179.07781 
       e = 0.3433108                        node = 214.19217 (2000.0) 
       q = 2.4175106 AU                     incl.=   7.35376 
   a = 3.6813618 AU          n = 0.13953762         P = 7.06 years 
  m1 = 11.0 + 5log(delta) + 15.0log(r) 
  A. Node = E:04/25.3 JST  O:2015/07/27.3 JST  4.945 AU 
  D. Node = E:10/28.3 JST  O:2019/01/27.6 JST  2.418 AU 

2019   JST     R.A. (2000) D.C.    Delta     r    Elong. Phase   dMo./P.A.   Tail/P.A. M-O Ag   m1     H/A
01/27 19:50   00 45.93  +04 55.6   2.653   2.418   65.5   21.8   24.7/ 72.0   0.8/ 67  160 22  18.9  +33/ 71
01/28 19:50   00 47.50  +05 03.3   2.664   2.418   64.9   21.7   24.8/ 71.9   0.8/ 67  147 23  18.9  +33/ 71
01/29 19:50   00 49.08  +05 11.0   2.675   2.418   64.3   21.5   25.0/ 71.9   0.8/ 67  135 24  18.9  +32/ 72
01/30 19:50   00 50.67  +05 18.7   2.687   2.418   63.7   21.4   25.1/ 71.9   0.8/ 67  123 25  18.9  +32/ 72
01/31 19:50   00 52.27  +05 26.5   2.698   2.418   63.1   21.3   25.2/ 71.9   0.7/ 67  111 25  18.9  +31/ 73
02/01 19:50   00 53.87  +05 34.3   2.709   2.418   62.5   21.2   25.3/ 71.8   0.7/ 67   99 26  18.9  +31/ 74
02/02 19:50   00 55.48  +05 42.2   2.720   2.418   61.9   21.1   25.4/ 71.8   0.7/ 67   88 27  18.9  +31/ 74
02/03 19:50   00 57.10  +05 50.1   2.731   2.418   61.3   21.0   25.5/ 71.8   0.7/ 67   76 28  18.9  +30/ 75
02/04 19:50   00 58.73  +05 58.1   2.742   2.419   60.8   20.8   25.6/ 71.8   0.7/ 68   65 29  18.9  +30/ 75
02/05 19:50   01 00.36  +06 06.1   2.753   2.419   60.2   20.7   25.7/ 71.8   0.7/ 68   54  1  19.0  +30/ 76
02/06 19:50   01 02.00  +06 14.1   2.764   2.419   59.6   20.6   25.8/ 71.8   0.7/ 68   42  1  19.0  +29/ 76
02/07 19:50   01 03.64  +06 22.2   2.775   2.419   59.0   20.5   25.9/ 71.8   0.7/ 68   31  2  19.0  +29/ 77
02/08 19:50   01 05.30  +06 30.2   2.786   2.420   58.4   20.3   26.0/ 71.8   0.7/ 68   20  3  19.0  +28/ 77
02/09 19:50   01 06.96  +06 38.4   2.796   2.420   57.8   20.2   26.1/ 71.8   0.7/ 68    9  4  19.0  +28/ 78
02/10 19:50   01 08.62  +06 46.5   2.807   2.420   57.3   20.1   26.2/ 71.8   0.7/ 68    6  5  19.0  +28/ 78
02/11 19:50   01 10.30  +06 54.7   2.818   2.420   56.7   19.9   26.3/ 71.8   0.7/ 68   17  6  19.0  +27/ 79
02/12 19:40   01 11.96  +07 02.8   2.828   2.421   56.1   19.8   26.4/ 71.8   0.7/ 68   29  7  19.0  +29/ 78
02/13 19:40   01 13.65  +07 11.1   2.839   2.421   55.5   19.6   26.5/ 71.8   0.7/ 68   41  8  19.0  +29/ 78
02/14 19:40   01 15.34  +07 19.3   2.849   2.421   55.0   19.5   26.6/ 71.8   0.6/ 68   54  9  19.0  +28/ 79
02/15 19:40   01 17.04  +07 27.6   2.860   2.422   54.4   19.4   26.6/ 71.9   0.6/ 68   67 10  19.0  +28/ 79
02/16 19:40   01 18.74  +07 35.9   2.870   2.422   53.8   19.2   26.7/ 71.9   0.6/ 68   81 11  19.1  +27/ 80
02/17 19:40   01 20.45  +07 44.2   2.880   2.423   53.3   19.1   26.8/ 71.9   0.6/ 69   96 12  19.1  +27/ 80
02/18 19:40   01 22.16  +07 52.5   2.891   2.423   52.7   18.9   26.9/ 71.9   0.6/ 69  110 13  19.1  +27/ 81
02/19 19:40   01 23.88  +08 00.8   2.901   2.423   52.1   18.8   26.9/ 72.0   0.6/ 69  125 14  19.1  +26/ 81
02/20 19:40   01 25.61  +08 09.1   2.911   2.424   51.6   18.6   27.0/ 72.0   0.6/ 69  140 16  19.1  +26/ 81
02/21 19:40   01 27.34  +08 17.4   2.921   2.424   51.0   18.5   27.1/ 72.0   0.6/ 69  154 17  19.1  +26/ 82
02/22 19:40   01 29.07  +08 25.8   2.931   2.425   50.5   18.3   27.2/ 72.1   0.6/ 69  168 18  19.1  +25/ 82
02/23 19:40   01 30.82  +08 34.1   2.941   2.425   49.9   18.2   27.2/ 72.1   0.6/ 69  175 19  19.1  +25/ 83
02/24 19:40   01 32.56  +08 42.5   2.951   2.426   49.4   18.0   27.3/ 72.1   0.6/ 69  163 20  19.1  +24/ 83
02/25 19:40   01 34.32  +08 50.8   2.961   2.426   48.8   17.9   27.4/ 72.2   0.6/ 69  151 21  19.1  +24/ 84
02/26 19:40   01 36.07  +08 59.2   2.971   2.427   48.3   17.7   27.4/ 72.2   0.6/ 70  138 22  19.1  +24/ 84
02/27 19:40   01 37.84  +09 07.6   2.981   2.428   47.7   17.6   27.5/ 72.3   0.6/ 70  126 23  19.1  +23/ 85
inserted by FC2 system