261P/Larson 
   From 485 observations 2005 July 3-2013 Jan. 6. Kinoshita
   Epoch = 2019 Aug. 25.0 TT = JDT 2458720.5 
       T = 2019 June 18.65866 TT            peri.=  67.11155 
       e = 0.4227841                        node = 291.16639 (2000.0) 
       q = 2.0134036 AU                     incl.=   6.07601 
   a = 3.4881295 AU          n = 0.15129173         P = 6.51 years 
  m1 = 9.0 + 5log(delta) + 20.0log(r) 
  A. Node = E:07/14.5 JST  O:2018/12/13.1 JST  2.460 AU 
  D. Node = E:01/12.6 JST  O:2020/08/11.6 JST  3.428 AU 

2019   JST     R.A. (2000) D.C.    Delta     r    Elong. Phase   dMo./P.A.   Tail/P.A. M-O Ag   m1     H/A
08/15 01:50   03 06.04  +24 44.7   1.790   2.063   90.4   29.4   21.4/ 67.7   1.5/254   99 14  16.6  +41/266
08/16 01:50   03 07.50  +24 52.8   1.781   2.064   91.0   29.4   21.1/ 67.7   1.5/254   87 15  16.5  +42/266
08/17 01:50   03 08.93  +25 00.8   1.773   2.066   91.6   29.3   20.8/ 67.7   1.5/254   76 16  16.5  +42/266
08/18 01:50   03 10.36  +25 08.7   1.765   2.068   92.2   29.3   20.5/ 67.7   1.5/254   65 17  16.5  +43/267
08/19 01:50   03 11.76  +25 16.4   1.756   2.069   92.8   29.2   20.2/ 67.7   1.5/254   53 18  16.5  +43/267
08/20 01:50   03 13.14  +25 24.1   1.748   2.071   93.4   29.2   19.9/ 67.7   1.5/254   42 18  16.5  +44/267
08/21 01:50   03 14.50  +25 31.6   1.739   2.073   94.0   29.1   19.6/ 67.7   1.5/254   31 19  16.5  +45/267
08/22 01:50   03 15.85  +25 39.0   1.731   2.075   94.7   29.1   19.3/ 67.7   1.5/254   21 20  16.5  +45/267
08/23 01:50   03 17.17  +25 46.4   1.723   2.077   95.3   29.0   19.0/ 67.6   1.5/254   13 21  16.5  +46/268
08/24 01:40   03 18.46  +25 53.5   1.714   2.079   95.9   28.9   18.7/ 67.6   1.5/254   13 22  16.5  +44/266
08/25 01:40   03 19.74  +26 00.6   1.706   2.081   96.6   28.9   18.3/ 67.6   1.5/254   22 23  16.5  +45/267
08/26 01:40   03 21.00  +26 07.6   1.698   2.083   97.2   28.8   18.0/ 67.5   1.5/254   34 24  16.5  +45/267
08/27 01:40   03 22.24  +26 14.4   1.690   2.085   97.9   28.7   17.7/ 67.5   1.5/254   47 25  16.5  +46/267
08/28 01:40   03 23.45  +26 21.2   1.681   2.087   98.6   28.6   17.3/ 67.4   1.6/254   61 26  16.5  +47/267
08/29 01:40   03 24.64  +26 27.8   1.673   2.089   99.2   28.5   17.0/ 67.3   1.6/254   75 27  16.5  +47/267
08/30 01:40   03 25.81  +26 34.4   1.665   2.091   99.9   28.4   16.6/ 67.2   1.6/254   89 29  16.5  +48/268
08/31 01:40   03 26.95  +26 40.8   1.657   2.093  100.6   28.3   16.2/ 67.1   1.6/254  104  0  16.5  +48/268
09/01 01:40   03 28.07  +26 47.1   1.649   2.095  101.3   28.2   15.9/ 67.0   1.6/254  118  2  16.5  +49/268
09/02 01:30   03 29.16  +26 53.2   1.641   2.097  102.0   28.1   15.5/ 66.9   1.6/254  133  3  16.5  +48/267
09/03 01:30   03 30.23  +26 59.2   1.633   2.099  102.7   28.0   15.1/ 66.8   1.6/254  146  4  16.5  +48/267
09/04 01:30   03 31.27  +27 05.2   1.625   2.101  103.4   27.8   14.7/ 66.7   1.6/254  159  5  16.5  +49/268
09/05 01:30   03 32.28  +27 11.0   1.617   2.104  104.1   27.7   14.4/ 66.5   1.6/254  168  6  16.5  +50/268
09/06 01:30   03 33.27  +27 16.7   1.609   2.106  104.8   27.6   14.0/ 66.3   1.6/254  165  7  16.5  +50/268
09/07 01:30   03 34.23  +27 22.3   1.601   2.108  105.6   27.4   13.6/ 66.2   1.6/254  155  8  16.5  +51/268
09/08 01:30   03 35.16  +27 27.8   1.593   2.110  106.3   27.3   13.2/ 66.0   1.6/254  144  9  16.5  +52/269
09/09 01:30   03 36.07  +27 33.1   1.585   2.113  107.0   27.1   12.8/ 65.7   1.6/254  132 10  16.5  +52/269
09/10 01:20   03 36.94  +27 38.3   1.577   2.115  107.8   27.0   12.4/ 65.5   1.6/254  121 11  16.5  +51/268
09/11 01:20   03 37.78  +27 43.5   1.570   2.117  108.5   26.8   11.9/ 65.2   1.6/254  109 12  16.5  +51/268
09/12 01:20   03 38.60  +27 48.5   1.562   2.120  109.3   26.6   11.5/ 64.9   1.6/254   98 12  16.5  +52/268
09/13 01:20   03 39.39  +27 53.3   1.555   2.122  110.1   26.5   11.1/ 64.6   1.6/254   86 13  16.5  +53/269
09/14 01:20   03 40.15  +27 58.1   1.547   2.125  110.9   26.3   10.7/ 64.2   1.5/254   75 14  16.5  +53/269
09/15 01:20   03 40.87  +28 02.7   1.540   2.127  111.6   26.1   10.2/ 63.8   1.5/253   64 15  16.5  +54/269
inserted by FC2 system