C/2015 XY1 (Lemmon) 
   From 412 observations 2015 Dec. 4-2018 Apr. 10. Kinoshita 
   Epoch = 2018 Sept. 19.0 TT = JDT 2458380.5 
       T = 2018 Apr. 29.67978 TT            peri.= 196.33879 
       e = 1.0043836                        node = 281.61881 (2000.0) 
       q = 7.9279180 AU                     incl.= 148.85088 
  m1 = 4.5 + 5log(delta) + 10.0log(r) 
  A. Node = E:07/04.2 JST  O:2704/01/26.9 JST  439.229 AU 
  D. Node = E:01/03.0 JST  O:2017/08/07.6 JST  8.092 AU 

2018   JST     R.A. (2000) D.C.    Delta     r    Elong. Phase   dMo./P.A.   Tail/P.A. M-O Ag   m1     H/A
09/09 03:00   05 50.18  +11 13.1   8.108   7.969   78.5    7.1    3.8/207.9   0.1/266   66 28  18.1  +35/282
09/10 03:00   05 50.06  +11 09.7   8.091   7.970   79.5    7.1    3.9/209.4   0.1/267   80  0  18.1  +36/283
09/11 02:50   05 49.93  +11 06.3   8.075   7.970   80.5    7.2    4.0/210.9   0.1/267   95  1  18.1  +35/282
09/12 02:50   05 49.79  +11 02.9   8.058   7.971   81.5    7.2    4.1/212.3   0.1/267  109  2  18.0  +36/282
09/13 02:50   05 49.64  +10 59.4   8.041   7.972   82.4    7.2    4.2/213.7   0.1/267  123  3  18.0  +36/283
09/14 02:50   05 49.48  +10 55.9   8.024   7.972   83.4    7.2    4.3/215.1   0.1/267  136  4  18.0  +37/284
09/15 02:50   05 49.32  +10 52.4   8.007   7.973   84.4    7.2    4.4/216.4   0.1/268  148  5  18.0  +38/285
09/16 02:50   05 49.14  +10 48.9   7.990   7.973   85.4    7.2    4.5/217.6   0.1/268  160  6  18.0  +39/286
09/17 02:40   05 48.96  +10 45.4   7.973   7.974   86.4    7.2    4.6/218.8   0.1/268  169  7  18.0  +38/285
09/18 02:40   05 48.76  +10 41.9   7.956   7.975   87.4    7.2    4.7/220.0   0.1/268  168  8  18.0  +38/285
09/19 02:40   05 48.56  +10 38.3   7.940   7.975   88.4    7.2    4.8/221.1   0.1/268  159  9  18.0  +39/286
09/20 02:40   05 48.35  +10 34.7   7.923   7.976   89.4    7.2    4.9/222.2   0.1/269  148 10  18.0  +40/287
09/21 02:40   05 48.13  +10 31.1   7.906   7.977   90.4    7.2    5.0/223.3   0.1/269  136 11  18.0  +41/288
09/22 02:30   05 47.90  +10 27.5   7.889   7.977   91.4    7.2    5.1/224.3   0.1/269  125 12  18.0  +40/287
09/23 02:30   05 47.65  +10 23.8   7.872   7.978   92.5    7.2    5.2/225.3   0.1/269  113 13  18.0  +40/288
09/24 02:30   05 47.40  +10 20.2   7.855   7.979   93.5    7.2    5.3/226.2   0.1/270  101 13  18.0  +41/289
09/25 02:30   05 47.14  +10 16.5   7.838   7.979   94.5    7.2    5.4/227.1   0.1/270   89 14  18.0  +42/290
09/26 02:30   05 46.87  +10 12.8   7.821   7.980   95.5    7.2    5.6/228.0   0.1/270   76 15  18.0  +43/291
09/27 02:20   05 46.60  +10 09.1   7.805   7.981   96.5    7.2    5.7/228.9   0.1/270   64 16  18.0  +41/289
09/28 02:20   05 46.31  +10 05.4   7.788   7.982   97.5    7.2    5.8/229.7   0.1/270   51 17  18.0  +42/290
09/29 02:20   05 46.01  +10 01.6   7.771   7.982   98.6    7.1    5.9/230.5   0.1/271   38 18  18.0  +43/291
09/30 02:20   05 45.70  +09 57.9   7.755   7.983   99.6    7.1    6.0/231.3   0.1/271   25 19  18.0  +44/292
10/01 02:20   05 45.38  +09 54.1   7.738   7.984  100.6    7.1    6.2/232.0   0.1/271   14 20  18.0  +45/293
10/02 02:20   05 45.05  +09 50.3   7.721   7.984  101.7    7.1    6.3/232.8   0.1/271   11 21  18.0  +45/294
10/03 02:10   05 44.71  +09 46.5   7.705   7.985  102.7    7.0    6.4/233.5   0.1/272   21 22  18.0  +44/293
10/04 02:10   05 44.37  +09 42.7   7.689   7.986  103.7    7.0    6.5/234.1   0.1/272   34 23  18.0  +45/294
10/05 02:10   05 44.01  +09 38.9   7.673   7.987  104.8    7.0    6.7/234.8   0.1/272   48 25  17.9  +46/295
10/06 02:10   05 43.64  +09 35.0   7.657   7.987  105.8    6.9    6.8/235.5   0.1/272   62 26  17.9  +46/296
10/07 02:10   05 43.26  +09 31.1   7.641   7.988  106.9    6.9    6.9/236.1   0.1/273   76 27  17.9  +47/297
10/08 02:10   05 42.87  +09 27.3   7.625   7.989  107.9    6.8    7.1/236.7   0.1/273   91 28  17.9  +48/298
10/09 02:00   05 42.47  +09 23.4   7.609   7.990  109.0    6.8    7.2/237.3   0.1/273  105 29  17.9  +47/297
inserted by FC2 system