P/2009 SK280 (Spacewatch-Hill) 
   From 88 observations 2009 Sept. 17-2011 Dec. 23. Kinoshita
   Epoch = 2019 Sept. 14.0 TT = JDT 2458740.5 
       T = 2019 Oct. 23.94637 TT            peri.= 327.95981 
       e = 0.1197722                        node =  36.41812 (2000.0) 
       q = 4.2087530 AU                     incl.=  16.79896 
   a = 4.7814363 AU          n = 0.09426848         P = 10.46 years 
  m1 = 11.0 + 5log(delta) + 10.0log(r) 
  A. Node = E:10/30.8 JST  O:2020/07/18.5 JST  4.278 AU 
  D. Node = E:04/27.6 JST  O:2015/09/29.3 JST  5.245 AU 

2019   JST     R.A. (2000) D.C.    Delta     r    Elong. Phase   dMo./P.A.   Tail/P.A. M-O Ag   m1     H/A
09/04 01:00   00 40.76  -09 58.1   3.293   4.211  152.1    6.4    7.5/251.9   0.2/273  145  5  19.8  +44/343
09/05 01:00   00 40.28  -10 00.4   3.287   4.211  153.1    6.2    7.6/252.3   0.2/274  131  6  19.8  +44/345
09/06 01:00   00 39.79  -10 02.7   3.281   4.211  154.1    6.0    7.8/252.7   0.2/275  118  7  19.8  +44/346
09/07 01:00   00 39.29  -10 05.1   3.276   4.211  155.0    5.8    7.9/253.1   0.2/276  105  8  19.8  +44/348
09/08 00:50   00 38.78  -10 07.3   3.271   4.211  155.9    5.6    8.0/253.5   0.2/278   92  9  19.8  +44/346
09/09 00:50   00 38.26  -10 09.6   3.266   4.211  156.8    5.4    8.2/253.9   0.2/279   80 10  19.8  +44/347
09/10 00:50   00 37.73  -10 11.9   3.261   4.211  157.7    5.2    8.3/254.2   0.2/281   68 11  19.8  +44/349
09/11 00:50   00 37.19  -10 14.1   3.257   4.211  158.6    5.0    8.4/254.6   0.1/283   56 12  19.8  +44/350
09/12 00:50   00 36.64  -10 16.4   3.253   4.211  159.5    4.8    8.5/255.0   0.1/285   44 12  19.8  +44/352
09/13 00:40   00 36.09  -10 18.5   3.249   4.210  160.4    4.6    8.6/255.4   0.1/287   32 13  19.8  +44/350
09/14 00:40   00 35.52  -10 20.7   3.245   4.210  161.2    4.4    8.7/255.8   0.1/289   21 14  19.8  +44/351
09/15 00:40   00 34.95  -10 22.9   3.242   4.210  162.0    4.2    8.8/256.2   0.1/291   11 15  19.8  +44/353
09/16 00:40   00 34.37  -10 25.0   3.239   4.210  162.8    4.1    8.9/256.5   0.1/294    9 16  19.8  +44/355
09/17 00:40   00 33.79  -10 27.0   3.236   4.210  163.5    3.9    9.0/256.9   0.1/297   19 17  19.8  +44/356
09/18 00:40   00 33.19  -10 29.1   3.234   4.210  164.2    3.7    9.1/257.3   0.1/300   30 18  19.8  +44/358
09/19 00:30   00 32.60  -10 31.0   3.232   4.210  164.8    3.6    9.1/257.7   0.1/304   42 19  19.8  +44/356
09/20 00:30   00 31.99  -10 33.0   3.230   4.210  165.4    3.4    9.2/258.1   0.1/307   54 20  19.8  +44/357
09/21 00:30   00 31.39  -10 34.9   3.229   4.210  165.9    3.3    9.2/258.5   0.1/311   67 21  19.8  +44/359
09/22 00:20   00 30.78  -10 36.7   3.227   4.210  166.4    3.2    9.3/258.9   0.1/316   80 22  19.8  +44/357
09/23 00:20   00 30.16  -10 38.5   3.226   4.210  166.8    3.1    9.3/259.3   0.1/320   93 23  19.8  +44/359
09/24 00:20   00 29.54  -10 40.2   3.226   4.210  167.1    3.1    9.4/259.7   0.1/325  107 24  19.8  +44/  0
09/25 00:20   00 28.91  -10 41.9   3.225   4.210  167.3    3.0    9.4/260.1   0.1/330  121 25  19.8  +44/  2
09/26 00:20   00 28.29  -10 43.5   3.225   4.210  167.4    3.0    9.4/260.6   0.1/335  135 26  19.8  +44/  3
09/27 00:10   00 27.66  -10 45.0   3.225   4.210  167.4    3.0    9.4/261.0   0.1/341  150 27  19.8  +44/  1
09/28 00:10   00 27.03  -10 46.5   3.226   4.209  167.3    3.0    9.4/261.4   0.1/346  164 28  19.8  +44/  3
09/29 00:10   00 26.40  -10 47.9   3.227   4.209  167.1    3.1    9.4/261.9   0.1/351  172  0  19.8  +44/  5
09/30 00:10   00 25.77  -10 49.2   3.228   4.209  166.8    3.1    9.4/262.3   0.1/356  162  1  19.8  +44/  6
10/01 23:20   00 24.52  -10 51.6   3.231   4.209  166.0    3.3    9.4/263.3   0.1/  4  134  3  19.8  +44/352
10/02 23:20   00 23.89  -10 52.7   3.233   4.209  165.5    3.4    9.3/263.8   0.1/  9  120  4  19.8  +44/354
10/03 23:20   00 23.26  -10 53.7   3.235   4.209  164.9    3.6    9.3/264.3   0.1/ 12  106  5  19.8  +44/355
10/04 23:20   00 22.64  -10 54.6   3.238   4.209  164.2    3.7    9.2/264.8   0.1/ 16   93  6  19.8  +44/357
inserted by FC2 system