254P/McNaught Orbit by T. Kobayashi NK 3423 (2017) : T is corrected by +0.01 day.
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2020 Sep. 30.01987 3.1445942 0.3190861 9.92 219.73892 129.18777 32.55054 0.200 2024 Mar. 31.0 m1 = 11.0 + 5 log Delta + 7.5 log r Date/ 0h TT R.A.(1950) Decl. R.A.(2000) Decl. Delta r Daily motion Magnitude Mot./PA Elong. P PA/Tail Moon Age h m ¡ , h m ¡ , m , m1 , ¡ ¡ ¡ ¡ ¡ ¡ 2023 Dec. 22 09 28.75 +17 02.4 09 31.52 +16 49.1 4.901 5.581 -0.29 + 4.2 20.1 5.9/316 129.7 7.8 287/0.31 112 .74 2024 Jan. 1 09 25.88 +17 44.4 09 28.66 +17 31.3 4.801 5.597 -0.39 + 4.7 20.0 7.3/310 140.7 6.4 285/0.26 17 .78 11 09 21.93 +18 31.4 09 24.72 +18 18.5 4.726 5.613 -0.48 + 5.0 20.0 8.5/307 152.0 4.7 283/0.19 145 .01 21 09 17.10 +19 21.5 09 19.92 +19 08.8 4.679 5.628 -0.54 + 5.1 20.0 9.2/304 163.3 2.9 276/0.12 71 .79 31 09 11.72 +20 12.5 09 14.55 +20 00.0 4.663 5.643 -0.56 + 5.0 20.0 9.3/303 173.9 1.1 249/0.04 53 .77 Feb. 10 09 06.11 +21 01.9 09 08.97 +20 49.7 4.680 5.658 -0.54 + 4.6 20.0 8.9/302 171.9 1.4 138/0.06 173 .00 20 09 00.68 +21 47.6 09 03.55 +21 35.7 4.729 5.673 -0.49 + 4.1 20.0 7.9/301 161.0 3.3 120/0.13 32 .82 Mar. 1 08 55.77 +22 28.1 08 58.66 +22 16.4 4.809 5.687 -0.41 + 3.4 20.1 6.6/302 149.8 5.0 115/0.20 90 .75 11 08 51.70 +23 02.1 08 54.60 +22 50.7 4.916 5.702 -0.30 + 2.7 20.1 5.0/304 138.9 6.6 112/0.26 130 .01 21 08 48.69 +23 29.4 08 51.61 +23 18.1 5.046 5.715 -0.18 + 2.0 20.2 3.2/310 128.2 7.9 110/0.30 5 .84 31 08 46.88 +23 49.7 08 49.81 +23 38.5 5.194 5.729 -0.06 + 1.4 20.3 1.6/331 117.8 8.9 109/0.33 126 .72 Apr. 10 08 46.32 +24 03.6 08 49.25 +23 52.5 5.356 5.742 +0.07 + 0.8 20.3 1.2/ 50 107.9 9.6 108/0.34 91 .02 20 08 47.01 +24 11.5 08 49.94 +24 00.3 5.525 5.756 +0.19 + 0.2 20.4 2.6/ 85 98.2 9.9 107/0.35 38 .86 30 08 48.87 +24 14.0 08 51.80 +24 02.7 5.698 5.769 +0.29 - 0.2 20.5 4.0/ 93 88.9 10.1 106/0.34 162 .66 May 10 08 51.82 +24 11.7 08 54.74 +24 00.2 5.871 5.781 +0.39 - 0.7 20.6 5.4/ 97 80.0 9.9 105/0.32 55 .05 20 08 55.74 +24 05.1 08 58.66 +23 53.4 6.038 5.794 +0.48 - 1.1 20.6 6.6/ 99 71.3 9.5 104/0.30 68 .88 30 09 00.51 +23 54.8 09 03.41 +23 42.9 6.198 5.806 +0.55 - 1.4 20.7 7.7/100 62.9 8.9 103/0.28 162 .58 June 9 09 06.01 +23 41.2 09 08.90 +23 29.0 6.346 5.818 +0.61 - 1.7 20.7 8.6/101 54.6 8.2 102/0.25 23 .07 19 09 12.13 +23 24.9 09 15.01 +23 12.4 6.480 5.829 +0.66 - 1.9 20.8 9.3/101 46.6 7.3 101/0.22 97 .90 29 09 18.76 +23 06.2 09 21.62 +22 53.4 6.598 5.841 +0.70 - 2.1 20.8 9.9/102 38.8 6.3 99/0.18 127 .49 July 9 09 25.79 +22 45.6 09 28.64 +22 32.5 6.698 5.852 +0.73 - 2.2 20.9 10.4/102 31.2 5.2 96/0.15 6 .09 19 09 33.14 +22 23.6 09 35.97 +22 10.2 6.779 5.863 +0.75 - 2.3 20.9 10.8/102 23.7 4.0 92/0.11 126 .92 29 09 40.70 +22 00.6 09 43.52 +21 46.9 6.839 5.873 +0.77 - 2.4 20.9 11.0/102 16.6 2.8 83/0.08 93 .40 Aug. 8 09 48.41 +21 37.2 09 51.21 +21 23.1 6.878 5.884 +0.78 - 2.4 21.0 11.1/102 10.6 1.8 62/0.05 33 .11 18 09 56.19 +21 13.9 09 58.97 +20 59.5 6.894 5.894 +0.77 - 2.3 21.0 11.1/102 8.2 1.4 15/0.04 156 .95 28 10 03.94 +20 51.2 10 06.71 +20 36.5 6.889 5.904 +0.77 - 2.2 21.0 11.0/101 11.9 2.0 335/0.06 61 .33 Sept. 7 10 11.61 +20 29.8 10 14.36 +20 14.9 6.861 5.913 +0.75 - 2.0 21.0 10.7/100 18.4 3.1 318/0.09 60 .13 17 10 19.11 +20 10.4 10 21.85 +19 55.2 6.812 5.923 +0.72 - 1.7 21.0 10.4/ 99 25.8 4.2 311/0.12 169 .98 27 10 26.37 +19 53.7 10 29.09 +19 38.3 6.742 5.932 +0.69 - 1.3 20.9 9.9/ 98 33.5 5.4 306/0.16 32 .28 Oct. 7 10 33.30 +19 40.4 10 36.01 +19 24.8 6.652 5.941 +0.65 - 0.9 20.9 9.3/ 95 41.5 6.4 303/0.19 87 .15 17 10 39.82 +19 31.4 10 42.51 +19 15.7 6.545 5.949 +0.60 - 0.4 20.9 8.5/ 92 49.7 7.3 301/0.22 137 1.00 27 10 45.83 +19 27.5 10 48.51 +19 11.6 6.422 5.958 +0.54 + 0.2 20.9 7.6/ 88 58.2 8.1 299/0.25 8 .25 Nov. 6 10 51.24 +19 29.5 10 53.91 +19 13.6 6.286 5.966 +0.47 + 0.9 20.8 6.7/ 82 66.8 8.8 298/0.27 117 .18 16 10 55.93 +19 38.3 10 58.60 +19 22.2 6.140 5.974 +0.39 + 1.6 20.8 5.7/ 74 75.7 9.2 296/0.29 102 1.00 26 10 59.81 +19 54.4 11 02.47 +19 38.2 5.988 5.981 +0.29 + 2.4 20.7 4.8/ 60 84.9 9.5 294/0.31 29 .24 Dec. 6 11 02.76 +20 18.4 11 05.42 +20 02.2 5.834 5.989 +0.19 + 3.2 20.7 4.2/ 40 94.3 9.4 292/0.31 150 .23 16 11 04.68 +20 50.4 11 07.34 +20 34.2 5.682 5.996 +0.08 + 4.0 20.6 4.2/ 16 104.0 9.2 290/0.31 67 .99 26 11 05.49 +21 30.4 11 08.15 +21 14.1 5.538 6.003 -0.04 + 4.7 20.6 4.7/354 113.8 8.6 287/0.30 60 .23 2025 Jan. 5 11 05.13 +22 17.6 11 07.80 +22 01.3 5.406 6.009 -0.15 + 5.3 20.5 5.7/338 123.9 7.8 283/0.28 163 .28 15 11 03.59 +23 10.6 11 06.27 +22 54.4 5.291 6.016 -0.27 + 5.7 20.5 6.8/328 133.9 6.8 278/0.25 33 .99 25 11 00.93 +24 07.6 11 03.61 +23 51.4 5.199 6.022 -0.37 + 5.9 20.4 7.7/320 143.8 5.5 270/0.21 93 .22 Feb. 4 10 57.25 +25 06.2 10 59.95 +24 50.1 5.133 6.027 -0.45 + 5.7 20.4 8.3/314 153.0 4.3 258/0.16 126 .35 14 10 52.78 +26 03.3 10 55.49 +25 47.3 5.095 6.033 -0.50 + 5.3 20.4 8.6/309 160.0 3.2 235/0.12 17 .98 24 10 47.77 +26 56.3 10 50.51 +26 40.4 5.089 6.038 -0.52 + 4.6 20.4 8.3/304 162.1 2.9 201/0.11 129 .19 Mar. 6 10 42.57 +27 42.5 10 45.32 +27 26.7 5.113 6.043 -0.50 + 3.8 20.4 7.7/300 157.8 3.6 168/0.13 84 .42 16 10 37.51 +28 20.0 10 40.28 +28 04.3 5.168 6.048 -0.46 + 2.8 20.4 6.6/295 149.8 4.7 149/0.17 47 .97 26 10 32.93 +28 47.6 10 35.72 +28 32.1 5.249 6.053 -0.38 + 1.8 20.5 5.3/290 140.6 6.0 137/0.22 161 .16