17P/Holmes Orbit by S. Nakano NK 3629 (2018) Last obs. 2023 01 22 (F52)
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2028 Jan. 31.74360 2.0888462 0.4263689 6.95 24.61596 326.61043 19.00735 0.200 2025 May 5.0 m1 = 7.0 + 5 log Delta + 15.0 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 , ¡ ¡ ¡ ¡ ¡ ¡ 2024 Dec. 26 12 16.19 -13 00.1 12 18.77 -13 16.8 5.145 5.150 +0.16 - 4.4 21.2 5.0/152 84.8 11.0 293/0.41 29 .23 2025 Jan. 5 12 17.77 -13 44.5 12 20.36 -14 01.2 4.977 5.143 +0.04 - 3.8 21.2 3.9/172 94.2 11.0 295/0.42 155 .28 15 12 18.13 -14 22.9 12 20.72 -14 39.6 4.811 5.136 -0.10 - 3.1 21.1 3.4/204 103.8 10.7 297/0.43 64 .99 25 12 17.18 -14 54.3 12 19.76 -15 10.9 4.653 5.129 -0.23 - 2.3 21.0 4.1/235 113.7 10.1 299/0.42 59 .22 Feb. 4 12 14.88 -15 17.4 12 17.46 -15 34.0 4.505 5.120 -0.36 - 1.4 20.9 5.4/255 123.9 9.2 303/0.39 160 .35 14 12 11.28 -15 31.2 12 13.86 -15 47.8 4.375 5.112 -0.48 - 0.4 20.8 6.9/267 134.1 8.0 307/0.35 31 .98 24 12 06.52 -15 35.0 12 09.09 -15 51.7 4.266 5.103 -0.57 + 0.6 20.8 8.3/274 144.4 6.5 314/0.29 93 .19 Mar. 6 12 00.82 -15 28.5 12 03.38 -15 45.2 4.182 5.093 -0.63 + 1.6 20.7 9.3/280 154.2 4.9 325/0.22 121 .42 16 11 54.52 -15 12.3 11 57.07 -15 29.0 4.127 5.083 -0.65 + 2.5 20.7 9.7/284 162.3 3.4 348/0.16 15 .97 26 11 48.01 -14 47.8 11 50.55 -15 04.5 4.102 5.073 -0.63 + 3.1 20.6 9.7/288 165.2 2.9 29/0.13 131 .16 Apr. 5 11 41.70 -14 16.9 11 44.24 -14 33.6 4.108 5.062 -0.57 + 3.4 20.6 9.0/292 160.5 3.8 66/0.18 80 .49 15 11 36.00 -13 42.5 11 38.54 -13 59.1 4.144 5.051 -0.48 + 3.5 20.6 7.8/297 151.8 5.4 84/0.25 46 .96 25 11 31.23 -13 07.3 11 33.76 -13 23.9 4.207 5.039 -0.36 + 3.3 20.7 6.2/302 142.1 7.0 94/0.32 164 .11 May 5 11 27.61 -12 34.1 11 30.14 -12 50.7 4.294 5.026 -0.23 + 2.9 20.7 4.5/310 132.2 8.6 100/0.38 43 .54 15 11 25.28 -12 05.3 11 27.81 -12 21.8 4.400 5.014 -0.10 + 2.3 20.7 2.7/328 122.3 9.8 105/0.42 81 .95 25 11 24.29 -11 42.4 11 26.82 -11 58.9 4.521 5.000 +0.03 + 1.6 20.8 1.6/ 17 112.8 10.8 108/0.45 142 .07 June 4 11 24.62 -11 26.7 11 27.15 -11 43.3 4.652 4.987 +0.16 + 0.8 20.8 2.4/ 71 103.5 11.4 111/0.47 15 .58 14 11 26.20 -11 18.9 11 28.73 -11 35.4 4.788 4.972 +0.27 0.0 20.8 4.0/ 90 94.5 11.7 113/0.47 114 .93 24 11 28.92 -11 19.0 11 31.45 -11 35.6 4.926 4.958 +0.38 - 0.8 20.9 5.6/ 98 85.8 11.8 115/0.46 106 .03 July 4 11 32.68 -11 27.1 11 35.22 -11 43.7 5.062 4.942 +0.47 - 1.6 20.9 7.1/103 77.5 11.6 117/0.44 28 .61 14 11 37.36 -11 42.9 11 39.90 -11 59.5 5.193 4.927 +0.55 - 2.3 21.0 8.4/106 69.3 11.1 119/0.41 146 .89 24 11 42.86 -12 05.8 11 45.40 -12 22.5 5.314 4.910 +0.62 - 3.0 21.0 9.6/108 61.4 10.5 121/0.38 73 .01 Aug. 3 11 49.06 -12 35.5 11 51.61 -12 52.2 5.425 4.894 +0.68 - 3.6 21.0 10.6/110 53.7 9.6 123/0.34 53 .64 13 11 55.87 -13 11.4 11 58.43 -13 28.1 5.522 4.877 +0.73 - 4.1 21.0 11.5/111 46.3 8.6 126/0.30 169 .84 23 12 03.19 -13 52.8 12 05.76 -14 09.5 5.603 4.859 +0.78 - 4.7 21.0 12.2/113 39.0 7.5 130/0.26 43 .00 Sept. 2 12 10.96 -14 39.4 12 13.53 -14 56.1 5.668 4.841 +0.81 - 5.1 21.0 12.8/114 31.9 6.3 135/0.21 79 .66 12 12 19.07 -15 30.4 12 21.66 -15 47.0 5.714 4.822 +0.84 - 5.5 21.0 13.3/115 25.2 5.1 142/0.17 144 .77 22 12 27.48 -16 25.4 12 30.08 -16 42.0 5.741 4.803 +0.86 - 5.8 21.0 13.7/116 19.1 3.9 153/0.13 17 .00 Oct. 2 12 36.09 -17 23.9 12 38.71 -17 40.4 5.747 4.784 +0.88 - 6.1 21.0 13.9/116 14.3 3.0 174/0.10 105 .70 12 12 44.85 -18 25.4 12 47.49 -18 41.7 5.733 4.764 +0.88 - 6.4 21.0 14.1/117 12.5 2.6 205/0.09 113 .69 22 12 53.68 -19 29.3 12 56.33 -19 45.6 5.698 4.743 +0.88 - 6.6 20.9 14.1/118 14.8 3.1 236/0.10 16 .00 Nov. 1 13 02.49 -20 35.3 13 05.17 -20 51.4 5.643 4.722 +0.87 - 6.7 20.9 13.9/119 19.9 4.1 254/0.14 132 .73 11 13 11.22 -21 42.8 13 13.92 -21 58.7 5.567 4.700 +0.86 - 6.8 20.8 13.7/120 26.3 5.4 265/0.19 83 .63 21 13 19.76 -22 51.5 13 22.49 -23 07.2 5.473 4.678 +0.83 - 6.9 20.7 13.3/122 33.3 6.7 271/0.24 39 .01 Dec. 1 13 28.02 -24 00.9 13 30.77 -24 16.4 5.359 4.656 +0.79 - 6.9 20.7 12.8/123 40.7 7.9 276/0.29 160 .78 11 13 35.87 -25 10.6 13 38.65 -25 25.8 5.230 4.633 +0.73 - 6.9 20.6 12.1/125 48.3 9.1 279/0.34 55 .59 21 13 43.19 -26 20.2 13 45.99 -26 35.2 5.085 4.609 +0.67 - 6.9 20.5 11.2/128 56.1 10.2 281/0.39 65 .01 31 13 49.82 -27 29.2 13 52.65 -27 44.0 4.928 4.585 +0.58 - 6.8 20.4 10.2/132 64.1 11.1 284/0.43 162 .84 2026 Jan. 10 13 55.60 -28 37.1 13 58.46 -28 51.7 4.762 4.561 +0.48 - 6.6 20.3 9.1/137 72.4 11.9 286/0.48 28 .56 20 14 00.36 -29 43.3 14 03.25 -29 57.7 4.588 4.536 +0.36 - 6.3 20.2 7.8/144 80.8 12.4 288/0.52 93 .01 30 14 03.90 -30 46.9 14 06.81 -31 01.1 4.411 4.510 +0.21 - 6.0 20.0 6.6/156 89.5 12.6 291/0.55 129 .89 Feb. 9 14 06.02 -31 46.9 14 08.95 -32 01.0 4.234 4.485 +0.05 - 5.5 19.9 5.5/173 98.3 12.6 293/0.57 13 .55 19 14 06.55 -32 41.9 14 09.50 -32 56.1 4.061 4.458 -0.12 - 4.8 19.8 5.1/197 107.4 12.2 297/0.57 125 .03 Mar. 1 14 05.35 -33 30.3 14 08.30 -33 44.5 3.897 4.431 -0.30 - 4.0 19.7 5.4/223 116.7 11.5 301/0.56 94 .93