P/2009 S2 (McNaught) 
   From 75 observations 2008 May 30-2017 June 20.(2) Kinoshita
   Epoch = 2017 July 6.0 TT = JDT 2457940.5 
       T = 2017 Dec. 20.95460 TT            peri.= 230.39425 
       e = 0.4690726                        node = 121.57497 (2000.0) 
       q = 2.2140168 AU                     incl.=  28.41487 
   a = 4.1700935 AU          n = 0.11574051         P = 8.52 years 
  m1 = 14.0 + 5log(delta) + 10.0log(r) 
  A. Node = E:01/22.0 JST  O:2019/10/24.6 JST  4.640 AU 
  D. Node = E:07/24.9 JST  O:2017/07/23.0 JST  2.504 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 01:00   20 34.26  -13 10.5   1.695   2.602  146.1   12.6   11.8/198.6   0.7/248  168  2  19.3  +38/336
06/27 01:00   20 34.00  -13 21.8   1.685   2.598  147.2   12.2   12.2/199.7   0.7/247  175  3  19.3  +39/337
06/28 01:00   20 33.72  -13 33.2   1.674   2.594  148.2   11.9   12.5/200.7   0.7/247  162  4  19.3  +39/338
06/29 00:50   20 33.41  -13 44.9   1.664   2.590  149.3   11.6   12.9/201.6   0.7/247  148  5  19.2  +38/337
06/30 00:50   20 33.09  -13 56.9   1.653   2.587  150.4   11.2   13.2/202.5   0.6/247  135  6  19.2  +38/338
07/01 00:50   20 32.74  -14 09.1   1.643   2.583  151.5   10.8   13.6/203.3   0.6/247  122  7  19.2  +38/339
07/02 00:50   20 32.37  -14 21.6   1.634   2.579  152.6   10.4   13.9/204.1   0.6/247  109  8  19.2  +39/341
07/03 00:50   20 31.98  -14 34.3   1.624   2.575  153.7   10.1   14.3/204.8   0.6/247   97  9  19.2  +39/342
07/04 00:50   20 31.57  -14 47.3   1.615   2.572  154.8    9.7   14.6/205.4   0.6/247   85 10  19.1  +39/344
07/05 00:40   20 31.13  -15 00.4   1.606   2.568  156.0    9.3   15.0/206.0   0.5/247   73 11  19.1  +38/342
07/06 00:40   20 30.68  -15 13.8   1.597   2.564  157.1    8.9   15.3/206.6   0.5/247   61 12  19.1  +38/343
07/07 00:40   20 30.21  -15 27.5   1.589   2.561  158.2    8.5   15.6/207.2   0.5/247   49 12  19.1  +38/345
07/08 00:40   20 29.71  -15 41.4   1.581   2.557  159.4    8.1   15.9/207.7   0.5/247   37 13  19.1  +38/346
07/09 00:40   20 29.20  -15 55.5   1.573   2.554  160.5    7.6   16.2/208.1   0.5/247   25 14  19.1  +38/347
07/10 00:40   20 28.67  -16 09.9   1.565   2.550  161.7    7.2   16.6/208.6   0.4/248   12 15  19.0  +38/349
07/11 00:30   20 28.12  -16 24.3   1.557   2.546  162.8    6.8   16.8/209.0   0.4/248    1 16  19.0  +38/347
07/12 00:30   20 27.55  -16 39.0   1.550   2.543  164.0    6.3   17.1/209.4   0.4/248   12 17  19.0  +38/349
07/13 00:30   20 26.97  -16 53.9   1.543   2.539  165.1    5.9   17.4/209.8   0.4/248   25 18  19.0  +38/350
07/14 00:30   20 26.36  -17 09.0   1.536   2.536  166.3    5.4   17.7/210.1   0.3/248   38 19  19.0  +37/351
07/15 00:30   20 25.75  -17 24.3   1.530   2.532  167.5    5.0   17.9/210.4   0.3/248   51 20  19.0  +37/353
07/16 00:30   20 25.11  -17 39.8   1.524   2.528  168.7    4.5   18.2/210.7   0.3/249   65 21  18.9  +37/354
07/17 00:20   20 24.47  -17 55.3   1.518   2.525  169.8    4.1   18.4/211.0   0.3/249   78 22  18.9  +37/353
07/18 00:20   20 23.80  -18 11.0   1.513   2.521  171.0    3.6   18.6/211.2   0.2/249   92 23  18.9  +37/354
07/19 00:20   20 23.13  -18 26.9   1.507   2.518  172.2    3.1   18.8/211.4   0.2/250  107 24  18.9  +36/355
07/20 00:20   20 22.44  -18 42.9   1.502   2.514  173.4    2.7   19.0/211.6   0.2/251  121 25  18.9  +36/357
07/21 00:20   20 21.74  -18 59.1   1.497   2.511  174.6    2.2   19.1/211.8   0.1/252  136 26  18.9  +36/358
07/22 00:20   20 21.03  -19 15.3   1.493   2.507  175.8    1.7   19.3/211.9   0.1/254  151 27  18.9  +36/360
07/23 00:10   20 20.31  -19 31.6   1.489   2.504  177.0    1.2   19.4/212.1   0.1/257  166 29  18.9  +35/358
07/24 00:10   20 19.58  -19 48.0   1.485   2.501  178.1    0.8   19.5/212.2   0.0/264  178  0  18.8  +35/359
07/25 00:10   20 18.84  -20 04.5   1.481   2.497  179.2    0.3   19.6/212.3   0.0/291  164  1  18.8  +35/  1
07/27 00:00   20 17.35  -20 37.6   1.475   2.490  178.1    0.8   19.7/212.4   0.0/ 49  136  3  18.8  +34/  1
inserted by FC2 system