253P/PANSTARRS 
   From 261 observations 1998 Sept. 14-2011 Nov. 18. Kinoshita
   Epoch = 2017 July 6.0 TT = JDT 2457940.5 
       T = 2018 May 7.78898 TT              peri.= 230.74067 
       e = 0.4127761                        node = 146.88371 (2000.0) 
       q = 2.0367524 AU                     incl.=   4.94058 
   a = 3.4684425 AU          n = 0.15258166         P = 6.46 years 
  m1 = 13.0 + 5log(delta) + 10.0log(r) 
  A. Node = E:02/16.0 JST  O:2019/11/14.6 JST  3.895 AU 
  D. Node = E:08/20.3 JST  O:2017/12/23.0 JST  2.282 AU 

2017   JST     R.A. (2000) D.C.    Delta     r    Elong. Phase   dMo./P.A.   Tail/P.A. M-O Ag   m1     H/A
06/26 00:20   19 09.87  -17 13.9   1.994   2.991  166.3    4.6   11.3/261.3   0.2/241  171  2  19.3  +37/350
06/27 00:20   19 09.09  -17 15.6   1.987   2.987  167.3    4.3   11.5/261.1   0.2/239  156  3  19.2  +37/352
06/28 00:20   19 08.30  -17 17.3   1.980   2.983  168.4    3.9   11.6/261.0   0.2/237  142  4  19.2  +37/353
06/29 00:20   19 07.50  -17 19.2   1.974   2.979  169.4    3.6   11.8/260.9   0.2/234  128  5  19.2  +37/354
06/30 00:10   19 06.70  -17 21.0   1.968   2.975  170.4    3.3   11.9/260.7   0.2/231  114  6  19.2  +37/353
07/01 00:10   19 05.88  -17 22.9   1.962   2.971  171.3    3.0   12.0/260.6   0.1/227  101  7  19.2  +37/354
07/02 00:10   19 05.05  -17 24.9   1.956   2.966  172.2    2.7   12.2/260.5   0.1/222   88  8  19.2  +37/356
07/03 00:10   19 04.21  -17 26.9   1.951   2.962  173.1    2.4   12.3/260.3   0.1/216   76  9  19.2  +38/357
07/05 00:00   19 02.52  -17 31.0   1.941   2.954  174.4    1.9   12.4/260.1   0.1/199   52 11  19.1  +37/357
07/06 00:00   19 01.66  -17 33.2   1.936   2.950  174.8    1.8   12.5/259.9   0.1/187   40 12  19.1  +37/358
07/07 00:00   19 00.80  -17 35.3   1.932   2.946  174.9    1.8   12.6/259.8   0.1/174   28 12  19.1  +37/360
07/07 00:10   19 00.80  -17 35.4   1.932   2.946  174.9    1.8   12.6/259.8   0.1/174   28 12  19.1  +37/  3
07/08 00:10   18 59.93  -17 37.6   1.927   2.941  174.8    1.8   12.6/259.7   0.1/161   16 13  19.1  +37/  4
07/10 00:00   18 58.20  -17 42.1   1.920   2.933  173.9    2.1   12.7/259.4   0.1/140    9 15  19.1  +37/  4
07/11 00:00   18 57.33  -17 44.4   1.917   2.929  173.2    2.4   12.7/259.2   0.1/132   21 16  19.1  +37/  6
07/12 00:00   18 56.46  -17 46.8   1.914   2.925  172.4    2.6   12.7/259.1   0.1/125   34 17  19.1  +37/  7
07/13 00:00   18 55.59  -17 49.2   1.911   2.921  171.5    3.0   12.6/259.0   0.1/120   47 18  19.1  +37/  8
07/13 23:50   18 54.73  -17 51.6   1.909   2.916  170.5    3.3   12.6/258.8   0.2/116   59 19  19.1  +37/  7
07/14 23:50   18 53.86  -17 54.0   1.907   2.912  169.5    3.6   12.6/258.6   0.2/112   73 20  19.0  +37/  8
07/15 23:50   18 53.00  -17 56.5   1.905   2.908  168.5    4.0   12.5/258.5   0.2/110   86 21  19.0  +36/ 10
07/16 23:50   18 52.14  -17 59.0   1.903   2.904  167.4    4.4   12.4/258.3   0.2/107  100 22  19.0  +36/ 11
07/17 23:40   18 51.29  -18 01.5   1.902   2.900  166.4    4.7   12.3/258.1   0.2/106  114 23  19.0  +36/ 10
07/18 23:40   18 50.45  -18 04.0   1.901   2.895  165.3    5.1   12.2/257.9   0.3/104  128 24  19.0  +36/ 11
07/19 23:40   18 49.61  -18 06.5   1.900   2.891  164.2    5.5   12.1/257.7   0.3/102  143 25  19.0  +36/ 12
07/20 23:30   18 48.78  -18 09.1   1.900   2.887  163.1    5.9   12.0/257.5   0.3/101  157 26  19.0  +36/ 11
07/21 23:30   18 47.96  -18 11.7   1.899   2.883  162.0    6.2   11.9/257.3   0.3/100  172 27  19.0  +36/ 12
07/22 23:30   18 47.14  -18 14.3   1.899   2.879  160.9    6.6   11.7/257.1   0.3/ 99  172 28  19.0  +36/ 14
07/23 23:30   18 46.34  -18 16.9   1.900   2.875  159.8    7.0   11.5/256.8   0.3/ 98  157  0  19.0  +35/ 15
07/24 23:20   18 45.56  -18 19.5   1.900   2.870  158.7    7.4   11.4/256.6   0.4/ 98  143  1  19.0  +36/ 13
07/25 23:20   18 44.78  -18 22.1   1.901   2.866  157.6    7.8   11.2/256.3   0.4/ 97  128  2  19.0  +35/ 15
07/26 23:20   18 44.02  -18 24.8   1.902   2.862  156.5    8.1   11.0/256.0   0.4/ 96  114  3  19.0  +35/ 16
inserted by FC2 system