254P/McNaught 
   From 85 observations 1980 Oct. 5-2011 Nov. 17. Kinoshita
   Epoch = 2019 Oct. 24.0 TT = JDT 2458780.5 
       T = 2020 Sept. 28.93956 TT           peri.= 219.35281 
       e = 0.3216670                        node = 129.18062 (2000.0) 
       q = 3.1373624 AU                     incl.=  32.54565 
   a = 4.6251067 AU          n = 0.09908808         P = 9.95 years 
  m1 = 11.0 + 5log(delta) + 10.0log(r) 
  A. Node = E:01/30.3 JST  O:2023/11/05.8 JST  5.519 AU 
  D. Node = E:08/02.4 JST  O:2020/03/12.7 JST  3.321 AU 

2019   JST     R.A. (2000) D.C.    Delta     r    Elong. Phase   dMo./P.A.   Tail/P.A. M-O Ag   m1     H/A
09/24 20:30   17 55.01  -08 22.4   3.587   3.690   87.9   15.8   11.6/135.0   0.4/ 90  144 25  19.4  +31/ 51
09/25 20:30   17 55.56  -08 30.6   3.599   3.687   87.1   15.8   11.7/134.0   0.4/ 90  130 26  19.4  +31/ 51
09/26 20:30   17 56.13  -08 38.7   3.611   3.685   86.3   15.8   11.8/133.1   0.4/ 89  116 27  19.5  +30/ 52
09/27 20:20   17 56.71  -08 46.7   3.622   3.682   85.5   15.7   11.9/132.2   0.4/ 89  102 28  19.5  +31/ 51
09/28 20:20   17 57.31  -08 54.7   3.634   3.680   84.7   15.7   12.1/131.2   0.4/ 89   87 29  19.5  +30/ 51
09/29 20:20   17 57.92  -09 02.7   3.646   3.677   83.9   15.7   12.2/130.4   0.4/ 89   73  1  19.5  +30/ 52
09/30 20:20   17 58.55  -09 10.6   3.658   3.675   83.1   15.7   12.3/129.5   0.4/ 88   59  2  19.5  +29/ 52
10/01 20:10   17 59.18  -09 18.3   3.670   3.672   82.3   15.7   12.4/128.7   0.4/ 88   45  3  19.5  +30/ 51
10/02 20:10   17 59.84  -09 26.1   3.681   3.670   81.5   15.7   12.6/127.8   0.4/ 88   32  4  19.5  +29/ 51
10/03 20:10   18 00.51  -09 33.8   3.693   3.667   80.7   15.6   12.7/127.0   0.4/ 88   20  5  19.5  +29/ 52
10/04 20:10   18 01.19  -09 41.4   3.705   3.665   79.9   15.6   12.8/126.2   0.4/ 87   13  6  19.5  +28/ 53
10/05 20:00   18 01.89  -09 49.0   3.716   3.662   79.1   15.6   12.9/125.5   0.4/ 87   16  7  19.5  +29/ 51
10/06 20:00   18 02.60  -09 56.5   3.728   3.660   78.4   15.5   13.1/124.7   0.4/ 87   25  8  19.5  +28/ 52
10/07 20:00   18 03.33  -10 03.9   3.740   3.657   77.6   15.5   13.2/124.0   0.4/ 87   36  9  19.5  +28/ 52
10/08 20:00   18 04.07  -10 11.3   3.751   3.655   76.8   15.4   13.3/123.3   0.4/ 86   47 10  19.5  +27/ 53
10/09 19:50   18 04.82  -10 18.5   3.763   3.652   76.0   15.4   13.4/122.6   0.4/ 86   58 11  19.5  +28/ 51
10/10 19:50   18 05.58  -10 25.8   3.774   3.650   75.2   15.3   13.5/121.9   0.4/ 86   70 12  19.5  +28/ 52
10/11 19:50   18 06.36  -10 32.9   3.786   3.648   74.5   15.3   13.7/121.3   0.4/ 86   81 13  19.5  +27/ 53
10/12 19:50   18 07.15  -10 40.0   3.797   3.645   73.7   15.2   13.8/120.6   0.4/ 85   92 13  19.5  +26/ 53
10/13 19:40   18 07.95  -10 47.0   3.809   3.643   72.9   15.2   13.9/120.0   0.4/ 85  104 14  19.5  +27/ 52
10/14 19:40   18 08.77  -10 54.0   3.820   3.640   72.1   15.1   14.0/119.4   0.4/ 85  115 15  19.5  +27/ 52
10/15 19:40   18 09.60  -11 00.8   3.832   3.638   71.4   15.1   14.2/118.8   0.4/ 85  127 16  19.5  +26/ 53
10/16 19:40   18 10.45  -11 07.7   3.843   3.635   70.6   15.0   14.3/118.2   0.4/ 85  139 17  19.5  +26/ 53
10/17 19:40   18 11.30  -11 14.4   3.854   3.633   69.8   14.9   14.4/117.6   0.4/ 84  150 18  19.5  +25/ 54
10/18 19:30   18 12.16  -11 21.0   3.865   3.630   69.1   14.9   14.5/117.1   0.4/ 84  161 19  19.5  +26/ 52
10/19 19:30   18 13.04  -11 27.6   3.876   3.628   68.3   14.8   14.6/116.5   0.4/ 84  169 20  19.5  +26/ 53
10/20 19:30   18 13.93  -11 34.1   3.887   3.626   67.5   14.7   14.7/116.0   0.4/ 84  165 21  19.5  +25/ 53
10/21 19:30   18 14.84  -11 40.6   3.898   3.623   66.8   14.6   14.9/115.4   0.4/ 83  154 22  19.5  +24/ 54
10/22 19:20   18 15.74  -11 46.9   3.909   3.621   66.0   14.5   15.0/114.9   0.4/ 83  141 23  19.5  +26/ 52
10/23 19:20   18 16.67  -11 53.2   3.920   3.618   65.3   14.5   15.1/114.4   0.4/ 83  128 24  19.6  +25/ 53
10/24 19:20   18 17.61  -11 59.4   3.931   3.616   64.5   14.4   15.2/113.9   0.4/ 83  114 25  19.6  +24/ 53
inserted by FC2 system