254P/McNaught 
   From 85 observations 1980 Oct. 5-2011 Nov. 17. Kinoshita
   Epoch = 2019 Aug. 25.0 TT = JDT 2458720.5 
       T = 2020 Sept. 28.78261 TT           peri.= 219.31893 
       e = 0.3218871                        node = 129.19279 (2000.0) 
       q = 3.1374183 AU                     incl.=  32.53344 
   a = 4.6266904 AU          n = 0.09903721         P = 9.95 years 
  m1 = 11.0 + 5log(delta) + 10.0log(r) 
  A. Node = E:01/30.3 JST  O:2023/11/06.5 JST  5.523 AU 
  D. Node = E:08/02.4 JST  O:2020/03/12.8 JST  3.320 AU 

2019   JST     R.A. (2000) D.C.    Delta     r    Elong. Phase   dMo./P.A.   Tail/P.A. M-O Ag   m1     H/A
08/15 22:30   17 46.64  -02 23.7   3.160   3.792  121.7   13.1    9.5/192.1   0.4/105   60 15  19.3  +40/ 48
08/16 22:20   17 46.51  -02 32.9   3.169   3.789  120.8   13.3    9.4/190.5   0.4/105   71 16  19.3  +41/ 47
08/17 22:20   17 46.40  -02 42.2   3.178   3.787  120.0   13.4    9.4/188.9   0.4/104   82 17  19.3  +40/ 48
08/18 22:20   17 46.30  -02 51.5   3.187   3.784  119.1   13.5    9.4/187.3   0.4/103   94 17  19.3  +40/ 49
08/19 22:10   17 46.22  -03 00.7   3.196   3.781  118.2   13.6    9.4/185.7   0.4/103  105 18  19.3  +40/ 47
08/20 22:10   17 46.16  -03 10.0   3.205   3.779  117.4   13.8    9.3/184.1   0.4/102  116 19  19.3  +40/ 48
08/21 22:10   17 46.11  -03 19.4   3.214   3.776  116.5   13.9    9.3/182.5   0.4/102  127 20  19.3  +39/ 49
08/22 22:10   17 46.09  -03 28.7   3.224   3.774  115.6   14.0    9.3/180.8   0.4/101  139 21  19.3  +38/ 50
08/23 22:00   17 46.08  -03 37.9   3.234   3.771  114.8   14.1    9.3/179.2   0.4/101  149 22  19.3  +39/ 48
08/24 22:00   17 46.09  -03 47.2   3.243   3.768  113.9   14.2    9.3/177.5   0.4/101  158 23  19.3  +38/ 49
08/25 22:00   17 46.11  -03 56.5   3.253   3.766  113.1   14.3    9.3/175.9   0.4/100  162 24  19.3  +38/ 50
08/26 22:00   17 46.16  -04 05.8   3.263   3.763  112.2   14.4    9.3/174.2   0.4/100  157 25  19.3  +37/ 51
08/27 21:50   17 46.22  -04 15.1   3.273   3.761  111.3   14.5    9.4/172.6   0.4/ 99  147 26  19.3  +38/ 49
08/28 21:50   17 46.30  -04 24.3   3.284   3.758  110.5   14.6    9.4/170.9   0.4/ 99  134 27  19.3  +37/ 50
08/29 21:50   17 46.40  -04 33.6   3.294   3.756  109.6   14.7    9.4/169.3   0.4/ 98  120 28  19.3  +36/ 51
08/30 21:40   17 46.52  -04 42.8   3.304   3.753  108.8   14.8    9.4/167.7   0.4/ 98  106  0  19.3  +37/ 49
08/31 21:40   17 46.65  -04 52.0   3.315   3.750  107.9   14.8    9.5/166.1   0.4/ 98   92  1  19.3  +36/ 50
09/01 21:40   17 46.80  -05 01.2   3.326   3.748  107.1   14.9    9.5/164.5   0.4/ 97   77  2  19.3  +36/ 51
09/02 21:40   17 46.97  -05 10.4   3.336   3.745  106.2   15.0    9.6/162.9   0.4/ 97   63  4  19.4  +35/ 51
09/03 21:30   17 47.16  -05 19.5   3.347   3.743  105.4   15.1    9.6/161.4   0.4/ 96   50  5  19.4  +36/ 50
09/04 21:30   17 47.37  -05 28.6   3.358   3.740  104.5   15.1    9.7/159.9   0.4/ 96   37  6  19.4  +35/ 50
09/05 21:30   17 47.59  -05 37.7   3.369   3.738  103.7   15.2    9.7/158.4   0.4/ 96   26  7  19.4  +34/ 51
09/06 21:20   17 47.83  -05 46.7   3.380   3.735  102.8   15.3    9.8/156.9   0.4/ 95   17  8  19.4  +35/ 50
09/07 21:20   17 48.09  -05 55.7   3.391   3.733  102.0   15.3    9.9/155.5   0.4/ 95   17  9  19.4  +35/ 50
09/08 21:20   17 48.36  -06 04.7   3.402   3.730  101.1   15.4   10.0/154.0   0.4/ 95   24 10  19.4  +34/ 51
09/09 21:20   17 48.65  -06 13.7   3.413   3.728  100.3   15.4   10.0/152.6   0.4/ 94   33 11  19.4  +33/ 52
09/10 21:10   17 48.96  -06 22.5   3.425   3.725   99.5   15.5   10.1/151.3   0.4/ 94   44 11  19.4  +34/ 50
09/11 21:10   17 49.29  -06 31.4   3.436   3.722   98.6   15.5   10.2/149.9   0.4/ 94   55 12  19.4  +33/ 51
09/12 21:10   17 49.63  -06 40.2   3.447   3.720   97.8   15.6   10.3/148.6   0.4/ 93   66 13  19.4  +33/ 52
09/13 21:10   17 49.99  -06 49.0   3.459   3.717   96.9   15.6   10.4/147.3   0.4/ 93   78 14  19.4  +32/ 52
09/14 21:00   17 50.37  -06 57.7   3.470   3.715   96.1   15.6   10.5/146.1   0.4/ 93   89 15  19.4  +33/ 51
09/15 21:00   17 50.76  -07 06.4   3.482   3.712   95.3   15.6   10.6/144.9   0.4/ 93  100 16  19.4  +32/ 51
inserted by FC2 system