253P/PANSTARRS 
   From 261 observations 1998 Sept. 14-2011 Nov. 18. Kinoshita
   Epoch = 2018 Apr. 12.0 TT = JDT 2458220.5 
       T = 2018 May 7.75061 TT              peri.= 230.73063 
       e = 0.4129222                        node = 146.88321 (2000.0) 
       q = 2.0367545 AU                     incl.=   4.94040 
   a = 3.4693090 AU          n = 0.15252450         P = 6.46 years 
  m1 = 13.0 + 5log(delta) + 10.0log(r) 
  A. Node = E:02/16.2 JST  O:2019/11/14.8 JST  3.896 AU 
  D. Node = E:08/20.6 JST  O:2017/12/23.0 JST  2.281 AU 

2018   JST     R.A. (2000) D.C.    Delta     r    Elong. Phase   dMo./P.A.   Tail/P.A. M-O Ag   m1     H/A
03/23 06:10   00 03.20  -01 36.0   3.062   2.067    2.6    1.2   35.2/ 68.4   0.0/203   69  5  18.6   +1/273
03/24 06:10   00 05.39  -01 23.0   3.061   2.066    2.9    1.4   35.3/ 68.4   0.0/208   82  7  18.6   +1/273
03/25 06:00   00 07.56  -01 10.1   3.060   2.065    3.2    1.6   35.3/ 68.4   0.0/212   96  8  18.6   -0/271
03/26 06:00   00 09.74  -00 57.1   3.058   2.064    3.6    1.7   35.3/ 68.4   0.1/216  109  9  18.6   +0/271
03/27 06:00   00 11.93  -00 44.2   3.057   2.062    3.9    1.9   35.3/ 68.4   0.1/218  123 10  18.6   +1/271
03/28 06:00   00 14.12  -00 31.2   3.055   2.061    4.3    2.1   35.3/ 68.4   0.1/221  137 11  18.6   +1/272
03/29 06:00   00 16.31  -00 18.2   3.053   2.060    4.7    2.3   35.3/ 68.4   0.1/223  150 12  18.6   +2/272
03/30 05:50   00 18.49  -00 05.3   3.052   2.059    5.0    2.4   35.4/ 68.5   0.1/224  164 13  18.6   +0/270
03/31 05:50   00 20.68  +00 07.7   3.050   2.058    5.4    2.6   35.4/ 68.5   0.1/226  176 14  18.6   +1/270
04/01 05:50   00 22.87  +00 20.6   3.048   2.057    5.8    2.8   35.4/ 68.5   0.1/227  170 15  18.6   +1/270
04/02 05:50   00 25.07  +00 33.6   3.046   2.056    6.2    3.0   35.4/ 68.5   0.1/228  157 16  18.5   +2/271
04/03 05:50   00 27.26  +00 46.6   3.045   2.055    6.6    3.2   35.4/ 68.5   0.1/229  145 17  18.5   +2/271
04/04 05:40   00 29.44  +00 59.4   3.043   2.054    6.9    3.4   35.4/ 68.6   0.1/230  133 18  18.5   +1/269
04/05 05:40   00 31.64  +01 12.4   3.041   2.053    7.3    3.6   35.4/ 68.6   0.1/231  121 19  18.5   +1/269
04/06 05:40   00 33.84  +01 25.3   3.039   2.052    7.7    3.7   35.4/ 68.6   0.1/231  109 20  18.5   +2/269
04/07 05:40   00 36.04  +01 38.2   3.037   2.051    8.1    3.9   35.4/ 68.7   0.1/232   98 21  18.5   +2/269
04/08 05:40   00 38.25  +01 51.1   3.035   2.050    8.5    4.1   35.5/ 68.7   0.1/233   86 22  18.5   +3/270
04/09 05:40   00 40.45  +02 04.0   3.033   2.049    8.9    4.3   35.5/ 68.7   0.1/233   75 23  18.5   +3/270
04/10 05:30   00 42.64  +02 16.7   3.031   2.048    9.2    4.5   35.5/ 68.8   0.1/234   64 23  18.5   +1/268
04/11 05:30   00 44.85  +02 29.5   3.028   2.047    9.6    4.7   35.5/ 68.8   0.1/234   53 24  18.5   +2/268
04/12 05:30   00 47.05  +02 42.3   3.026   2.047   10.0    4.9   35.5/ 68.9   0.2/235   41 25  18.5   +2/268
04/13 05:30   00 49.26  +02 55.1   3.024   2.046   10.4    5.1   35.5/ 68.9   0.2/235   29 26  18.5   +3/268
04/14 05:30   00 51.47  +03 07.9   3.022   2.045   10.8    5.3   35.5/ 69.0   0.2/236   17 27  18.5   +3/269
04/15 05:20   00 53.67  +03 20.5   3.019   2.044   11.2    5.4   35.5/ 69.0   0.2/236    5 28  18.5   +2/267
04/16 05:20   00 55.88  +03 33.2   3.017   2.044   11.5    5.6   35.5/ 69.1   0.2/236    9 29  18.5   +2/267
04/17 05:20   00 58.09  +03 45.9   3.015   2.043   11.9    5.8   35.5/ 69.1   0.2/237   22  1  18.5   +3/267
04/18 05:20   01 00.31  +03 58.5   3.012   2.043   12.3    6.0   35.5/ 69.2   0.2/237   35  2  18.5   +3/267
04/19 05:20   01 02.53  +04 11.1   3.010   2.042   12.7    6.2   35.5/ 69.3   0.2/237   49  3  18.5   +4/267
04/20 05:20   01 04.74  +04 23.6   3.007   2.041   13.1    6.4   35.5/ 69.3   0.2/238   63  4  18.5   +4/268
04/21 05:10   01 06.95  +04 36.1   3.005   2.041   13.5    6.6   35.4/ 69.4   0.2/238   76  5  18.5   +3/266
04/22 05:10   01 09.16  +04 48.5   3.002   2.040   13.8    6.8   35.4/ 69.4   0.2/238   90  6  18.5   +3/266
04/23 05:10   01 11.39  +05 00.9   3.000   2.040   14.2    7.0   35.4/ 69.5   0.2/238  103  7  18.5   +4/266
inserted by FC2 system