C/2017 W2 (Leonard) 
   From 145 observations 2017 Nov. 26-2018 Feb. 13. Kinoshita
   Epoch = 2018 Apr. 12.0 TT = JDT 2458220.5 
       T = 2017 Nov. 2.03904 TT             peri.= 169.17435 
       e = 0.7115058                        node = 312.80964 (2000.0) 
       q = 3.9575824 AU                     incl.=  98.18558 
   a = 13.7180642 AU         n = 0.01939835         P = 50.81 years 
  m1 = 10.5 + 5log(delta) + 10.0log(r) 
  A. Node = E:08/05.9 JST  O:1998/08/16.1 JST  22.491 AU 
  D. Node = E:02/02.3 JST  O:2018/01/07.8 JST  3.987 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 22:10   07 50.09  +07 20.3   3.570   4.089  114.8   12.8   11.1/243.3   0.3/ 95   40  6  19.4  +47/ 59
03/24 22:10   07 49.42  +07 15.3   3.588   4.091  113.6   12.9   10.8/242.6   0.3/ 95   27  7  19.4  +46/ 60
03/25 22:00   07 48.78  +07 10.3   3.605   4.093  112.5   13.0   10.5/241.8   0.3/ 95   16  8  19.4  +47/ 58
03/26 22:00   07 48.16  +07 05.4   3.623   4.094  111.4   13.1   10.2/241.0   0.3/ 95   13  9  19.4  +46/ 60
03/27 22:00   07 47.56  +07 00.5   3.641   4.096  110.3   13.2    9.8/240.1   0.4/ 95   22 10  19.4  +45/ 61
03/28 22:00   07 46.99  +06 55.6   3.659   4.098  109.3   13.3    9.5/239.2   0.4/ 96   35 12  19.4  +44/ 62
03/29 22:00   07 46.44  +06 50.7   3.677   4.100  108.2   13.4    9.2/238.2   0.4/ 96   49 13  19.5  +43/ 63
03/30 21:50   07 45.92  +06 45.8   3.696   4.102  107.1   13.5    8.9/237.2   0.4/ 96   62 14  19.5  +44/ 61
03/31 21:50   07 45.41  +06 41.0   3.714   4.104  106.0   13.5    8.7/236.1   0.4/ 96   76 15  19.5  +43/ 62
04/01 21:50   07 44.93  +06 36.2   3.733   4.106  105.0   13.6    8.4/235.0   0.4/ 97   89 16  19.5  +43/ 63
04/02 21:50   07 44.47  +06 31.4   3.751   4.108  103.9   13.7    8.1/233.7   0.4/ 97  102 17  19.5  +42/ 64
04/03 21:50   07 44.03  +06 26.6   3.770   4.110  102.9   13.7    7.8/232.4   0.4/ 97  114 18  19.5  +41/ 65
04/04 21:50   07 43.61  +06 21.8   3.788   4.111  101.8   13.8    7.6/231.1   0.4/ 97  126 19  19.5  +40/ 66
04/05 21:40   07 43.22  +06 17.1   3.807   4.113  100.8   13.8    7.3/229.6   0.4/ 97  138 20  19.5  +41/ 64
04/06 21:40   07 42.85  +06 12.3   3.826   4.115   99.8   13.9    7.1/228.1   0.4/ 98  149 20  19.6  +40/ 65
04/07 21:40   07 42.49  +06 07.6   3.845   4.117   98.7   13.9    6.9/226.4   0.3/ 98  159 21  19.6  +39/ 66
04/08 21:40   07 42.16  +06 02.8   3.864   4.119   97.7   13.9    6.6/224.7   0.3/ 98  166 22  19.6  +38/ 67
04/09 21:40   07 41.85  +05 58.1   3.883   4.121   96.7   14.0    6.4/222.9   0.3/ 98  164 23  19.6  +38/ 68
04/10 21:30   07 41.55  +05 53.4   3.902   4.123   95.7   14.0    6.2/220.9   0.3/ 99  156 24  19.6  +39/ 67
04/11 21:30   07 41.28  +05 48.7   3.921   4.125   94.7   14.0    6.0/218.9   0.3/ 99  145 25  19.6  +38/ 67
04/12 21:30   07 41.03  +05 44.0   3.940   4.127   93.7   14.0    5.9/216.8   0.3/ 99  134 26  19.6  +37/ 68
04/13 21:30   07 40.79  +05 39.3   3.959   4.129   92.7   14.0    5.7/214.5   0.3/ 99  122 27  19.6  +36/ 69
04/14 21:30   07 40.58  +05 34.6   3.978   4.131   91.7   14.0    5.5/212.1   0.3/100  109 28  19.7  +35/ 70
04/15 21:20   07 40.38  +05 30.0   3.997   4.134   90.7   14.0    5.4/209.7   0.3/100   96 29  19.7  +36/ 68
04/16 21:20   07 40.20  +05 25.3   4.016   4.136   89.8   14.0    5.3/207.2   0.3/100   83  1  19.7  +35/ 69
04/17 21:20   07 40.04  +05 20.6   4.035   4.138   88.8   14.0    5.2/204.5   0.3/100   69  2  19.7  +35/ 70
04/18 21:20   07 39.90  +05 15.9   4.054   4.140   87.8   14.0    5.0/201.8   0.3/101   56  3  19.7  +34/ 71
04/19 21:20   07 39.77  +05 11.2   4.073   4.142   86.9   14.0    5.0/199.0   0.3/101   42  4  19.7  +33/ 71
04/20 21:20   07 39.66  +05 06.5   4.092   4.144   85.9   14.0    4.9/196.2   0.3/101   29  5  19.7  +32/ 72
04/21 21:10   07 39.57  +05 01.9   4.111   4.146   85.0   14.0    4.8/193.4   0.3/101   19  6  19.7  +33/ 71
04/22 21:10   07 39.50  +04 57.2   4.130   4.148   84.1   13.9    4.8/190.6   0.3/102   15  7  19.8  +32/ 71
04/23 21:10   07 39.44  +04 52.5   4.149   4.150   83.1   13.9    4.8/187.7   0.3/102   22  8  19.8  +32/ 72
inserted by FC2 system