254P/McNaught Orbit by T. Kobayashi NK 3423 (2017) : T is corrected by +0.005 day.
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2020 Sep. 30.32845 3.1424581 0.3193908 9.92 219.71187 129.18845 32.55833 0.200 2023 Sep. 13.0 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 , ¡ ¡ ¡ ¡ ¡ ¡ 2022 Dec. 27 07 27.24 +06 40.7 07 29.92 +06 34.4 3.937 4.855 -0.61 + 4.0 19.1 10.0/294 156.5 4.6 317/0.23 143 .18 2023 Jan. 6 07 21.09 +07 19.8 07 23.79 +07 14.0 3.926 4.879 -0.63 + 4.6 19.1 10.4/296 164.0 3.2 343/0.16 25 .99 16 07 14.81 +08 05.6 07 17.52 +08 00.1 3.946 4.903 -0.60 + 5.1 19.2 10.2/300 164.9 3.0 28/0.14 106 .41 26 07 08.83 +08 56.1 07 11.56 +08 51.0 3.998 4.926 -0.52 + 5.4 19.2 9.4/305 158.2 4.2 60/0.20 104 .23 Feb. 5 07 03.58 +09 49.3 07 06.33 +09 44.6 4.081 4.950 -0.42 + 5.4 19.3 8.2/311 148.7 5.9 75/0.27 27 .99 15 06 59.38 +10 43.3 07 02.14 +10 38.9 4.190 4.973 -0.29 + 5.3 19.3 6.8/321 138.5 7.6 82/0.34 144 .36 25 06 56.46 +11 36.2 06 59.24 +11 32.0 4.324 4.996 -0.15 + 5.1 19.4 5.5/337 128.1 9.0 87/0.39 67 .27 Mar. 7 06 54.94 +12 26.7 06 57.74 +12 22.7 4.476 5.018 -0.01 + 4.7 19.5 4.7/359 118.0 10.1 90/0.43 57 1.00 17 06 54.85 +13 13.8 06 57.66 +13 09.7 4.642 5.041 +0.13 + 4.3 19.6 4.7/ 24 108.2 10.8 93/0.44 164 .29 27 06 56.14 +13 56.7 06 58.97 +13 52.5 4.817 5.063 +0.26 + 3.8 19.7 5.4/ 45 98.6 11.2 95/0.44 35 .30 Apr. 6 06 58.72 +14 35.0 07 01.56 +14 30.7 4.996 5.085 +0.38 + 3.3 19.8 6.4/ 59 89.4 11.3 96/0.43 89 1.00 16 07 02.47 +15 08.5 07 05.32 +15 03.9 5.175 5.107 +0.48 + 2.8 19.9 7.5/ 68 80.5 11.2 98/0.41 134 .22 26 07 07.26 +15 37.1 07 10.12 +15 32.1 5.351 5.129 +0.57 + 2.3 20.0 8.5/ 74 71.9 10.7 99/0.38 12 .32 May 6 07 12.94 +16 00.8 07 15.81 +15 55.4 5.519 5.150 +0.64 + 1.8 20.0 9.5/ 79 63.6 10.1 101/0.35 120 1.00 16 07 19.38 +16 19.7 07 22.25 +16 13.9 5.678 5.172 +0.71 + 1.4 20.1 10.3/ 82 55.4 9.3 102/0.31 101 .15 26 07 26.46 +16 33.9 07 29.33 +16 27.7 5.823 5.193 +0.76 + 0.9 20.2 10.9/ 85 47.5 8.3 104/0.27 27 .35 June 5 07 34.04 +16 43.8 07 36.91 +16 37.0 5.954 5.214 +0.80 + 0.5 20.3 11.5/ 87 39.7 7.1 105/0.23 151 .99 15 07 42.02 +16 49.5 07 44.89 +16 42.2 6.067 5.234 +0.83 + 0.1 20.3 11.9/ 89 32.0 5.9 107/0.19 69 .10 25 07 50.30 +16 51.4 07 53.16 +16 43.5 6.163 5.255 +0.85 - 0.2 20.4 12.2/ 91 24.5 4.6 110/0.14 52 .37 July 5 07 58.77 +16 49.7 08 01.63 +16 41.4 6.238 5.275 +0.86 - 0.5 20.4 12.3/ 92 17.0 3.2 114/0.10 170 .96 15 08 07.36 +16 45.0 08 10.20 +16 36.1 6.294 5.295 +0.86 - 0.8 20.4 12.4/ 93 9.7 1.9 123/0.06 41 .07 25 08 15.97 +16 37.6 08 18.80 +16 28.2 6.328 5.314 +0.85 - 1.0 20.4 12.3/ 94 3.5 0.7 165/0.02 78 .41 Aug. 4 08 24.51 +16 28.1 08 27.34 +16 18.2 6.341 5.334 +0.84 - 1.2 20.5 12.2/ 95 6.5 1.2 259/0.04 142 .92 14 08 32.92 +16 17.0 08 35.73 +16 06.5 6.332 5.353 +0.82 - 1.3 20.5 11.9/ 96 13.7 2.6 274/0.08 15 .05 24 08 41.10 +16 04.8 08 43.91 +15 53.9 6.302 5.372 +0.79 - 1.3 20.5 11.4/ 96 21.2 3.9 280/0.12 106 .46 Sept. 3 08 48.99 +15 52.3 08 51.78 +15 41.0 6.251 5.391 +0.75 - 1.3 20.5 10.9/ 96 29.0 5.2 282/0.16 110 .88 13 08 56.48 +15 40.1 08 59.27 +15 28.4 6.181 5.409 +0.70 - 1.1 20.5 10.2/ 96 36.9 6.4 284/0.20 15 .04 23 09 03.50 +15 29.1 09 06.28 +15 17.0 6.092 5.428 +0.64 - 0.9 20.4 9.4/ 96 44.9 7.5 286/0.24 137 .52 Oct. 3 09 09.95 +15 20.1 09 12.71 +15 07.7 5.986 5.446 +0.58 - 0.6 20.4 8.4/ 94 53.2 8.5 287/0.27 79 .84 13 09 15.73 +15 13.9 09 18.49 +15 01.3 5.866 5.463 +0.50 - 0.3 20.4 7.2/ 92 61.7 9.3 287/0.30 42 .03 23 09 20.73 +15 11.6 09 23.48 +14 58.7 5.733 5.481 +0.41 + 0.2 20.3 6.0/ 88 70.5 9.9 288/0.33 170 .60 Nov. 2 09 24.84 +15 14.0 09 27.59 +15 00.9 5.592 5.498 +0.31 + 0.8 20.3 4.6/ 80 79.5 10.2 288/0.35 49 .81 12 09 27.97 +15 22.0 09 30.71 +15 08.8 5.446 5.515 +0.20 + 1.4 20.2 3.3/ 64 88.9 10.3 288/0.36 72 .02 22 09 29.99 +15 36.5 09 32.74 +15 23.2 5.298 5.532 +0.08 + 2.1 20.2 2.5/ 30 98.6 10.2 288/0.37 151 .67 Dec. 2 09 30.83 +15 57.9 09 33.58 +15 44.6 5.155 5.549 -0.04 + 2.9 20.1 2.9/349 108.6 9.7 288/0.36 17 .79 12 09 30.42 +16 26.6 09 33.18 +16 13.3 5.021 5.565 -0.17 + 3.6 20.1 4.3/326 119.0 8.9 288/0.34 107 .01 22 09 28.75 +17 02.4 09 31.52 +16 49.1 4.902 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 17.11 +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 1.4 139/0.06 173 .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