103P/Hartley Orbit by S. Nakano NK 5045 (2023) Observed in 1st half of 2024

Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2023 Oct. 12.50713 1.0641142 0.6937270 6.48 181.30042 219.74916 13.61069 0.200 2024 Mar. 31.0 m1 = 10.5 + 5 log Delta + 13.0 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 , ¡ ¡ ¡ ¡ ¡ ¡ 2023 Dec. 22 08 56.08 -13 46.6 08 58.44 -13 58.3 0.625 1.419 -1.02 - 3.7 11.5 15.2/256 122.2 35.9 310/8.48 111 .74 2024 Jan. 1 08 45.94 -14 24.4 08 48.28 -14 35.5 0.659 1.503 -1.26 + 3.1 11.9 18.5/279 131.3 29.4 320/6.72 38 .78 11 08 33.36 -13 54.6 08 35.70 -14 05.0 0.704 1.589 -1.28 + 9.0 12.4 20.7/295 140.1 23.4 334/5.11 132 .01 21 08 20.58 -12 25.8 08 22.94 -12 35.5 0.763 1.677 -1.09 +13.0 12.8 20.6/309 147.1 18.6 354/3.83 72 .79 31 08 09.66 -10 16.3 08 12.05 -10 25.3 0.841 1.765 -0.77 +15.0 13.3 18.9/322 150.3 16.0 19/3.06 64 .77 Feb. 10 08 01.87 -07 46.9 08 04.30 -07 55.5 0.939 1.854 -0.41 +15.1 13.8 16.3/338 148.8 16.0 44/2.79 145 .00 20 07 57.76 -05 16.1 08 00.23 -05 24.4 1.057 1.943 -0.05 +13.9 14.4 14.0/357 143.6 17.6 63/2.77 38 .82 Mar. 1 07 57.21 -02 56.8 07 59.72 -03 05.1 1.193 2.031 +0.26 +12.1 14.9 12.7/ 18 136.6 19.6 76/2.78 96 .75 11 07 59.76 -00 55.7 08 02.31 -01 04.1 1.347 2.118 +0.52 +10.0 15.4 12.7/ 38 129.0 21.4 84/2.72 120 .01 21 08 04.92 +00 44.7 08 07.49 +00 35.9 1.515 2.205 +0.72 + 7.9 15.9 13.4/ 54 121.4 22.7 91/2.60 26 .84 31 08 12.13 +02 04.0 08 14.73 +01 54.8 1.696 2.290 +0.88 + 5.9 16.3 14.5/ 66 113.9 23.5 95/2.43 125 .72 Apr. 10 08 20.94 +03 03.6 08 23.55 +02 53.9 1.885 2.374 +1.00 + 4.1 16.8 15.6/ 75 106.5 23.9 99/2.24 91 .02 20 08 30.97 +03 45.1 08 33.59 +03 34.8 2.083 2.456 +1.09 + 2.5 17.2 16.5/ 81 99.5 23.8 102/2.04 40 .86 30 08 41.90 +04 10.5 08 44.52 +03 59.6 2.285 2.538 +1.16 + 1.1 17.6 17.4/ 86 92.6 23.4 105/1.84 152 .66 May 10 08 53.48 +04 21.7 08 56.11 +04 10.1 2.489 2.618 +1.20 - 0.2 17.9 18.0/ 91 85.9 22.6 107/1.65 63 .05 20 09 05.53 +04 20.1 09 08.15 +04 08.0 2.695 2.697 +1.23 - 1.3 18.3 18.5/ 94 79.3 21.6 110/1.47 61 .88 30 09 17.88 +04 07.6 09 20.49 +03 54.9 2.898 2.774 +1.25 - 2.3 18.6 18.9/ 97 72.9 20.4 112/1.30 163 .58 June 9 09 30.41 +03 45.5 09 33.02 +03 32.2 3.099 2.850 +1.26 - 3.1 18.9 19.2/ 99 66.5 19.1 113/1.14 38 .07 19 09 43.05 +03 15.0 09 45.64 +03 01.1 3.293 2.925 +1.26 - 3.8 19.1 19.3/101 60.2 17.5 115/0.99 83 .90 29 09 55.69 +02 37.3 09 58.27 +02 23.0 3.481 2.998 +1.26 - 4.4 19.4 19.4/103 54.0 15.9 117/0.86 141 .49 July 9 10 08.30 +01 53.5 10 10.87 +01 38.6 3.660 3.070 +1.25 - 5.0 19.7 19.4/105 47.8 14.2 119/0.73 17 .09 19 10 20.82 +01 04.3 10 23.39 +00 49.1 3.828 3.141 +1.24 - 5.4 19.9 19.3/106 41.6 12.4 121/0.61 107 .92 29 10 33.22 +00 10.8 10 35.78 -00 04.7 3.984 3.211 +1.22 - 5.7 20.1 19.2/107 35.4 10.6 124/0.50 113 .40 Aug. 8 10 45.46 -00 46.3 10 48.02 -01 02.2 4.126 3.279 +1.21 - 6.0 20.3 19.1/108 29.2 8.7 127/0.40 14 .11 18 10 57.52 -01 46.3 11 00.07 -02 02.4 4.253 3.346 +1.18 - 6.2 20.5 18.8/109 23.1 6.8 132/0.30 132 .95 28 11 09.36 -02 48.4 11 11.91 -03 04.7 4.364 3.412 +1.16 - 6.4 20.6 18.5/110 17.0 5.0 139/0.22 86 .33 Sept. 7 11 20.97 -03 52.1 11 23.52 -04 08.6 4.458 3.476 +1.13 - 6.5 20.8 18.1/111 11.4 3.3 154/0.14 34 .13 17 11 32.30 -04 56.6 11 34.85 -05 13.2 4.533 3.540 +1.10 - 6.5 20.9 17.7/112 7.6 2.1 188/0.09 160 .98 27 11 43.31 -06 01.4 11 45.86 -06 18.0 4.590 3.602 +1.07 - 6.4 21.0 17.1/112 8.6 2.4 238/0.10 60 .28 Oct. 7 11 53.96 -07 05.8 11 56.52 -07 22.5 4.626 3.663 +1.02 - 6.3 21.2 16.5/113 13.7 3.7 263/0.15 57 .15 17 12 04.20 -08 09.2 12 06.76 -08 25.9 4.643 3.723 +0.98 - 6.2 21.3 15.7/113 20.1 5.3 274/0.22 167 1.00 27 12 13.96 -09 11.0 12 16.53 -09 27.7 4.640 3.782 +0.92 - 6.0 21.3 14.9/114 27.0 6.9 280/0.28 35 .25 Nov. 6 12 23.17 -10 10.6 12 25.75 -10 27.3 4.617 3.840 +0.86 - 5.7 21.4 13.8/114 34.3 8.4 283/0.35 84 .18 16 12 31.73 -11 07.3 12 34.32 -11 23.9 4.576 3.896 +0.78 - 5.3 21.5 12.7/115 41.9 9.8 285/0.41 137 1.00 26 12 39.55 -12 00.4 12 42.16 -12 16.8 4.517 3.952 +0.70 - 4.9 21.5 11.3/116 49.7 11.0 287/0.47 11 .24 Dec. 6 12 46.51 -12 49.2 12 49.12 -13 05.5 4.442 4.007 +0.60 - 4.3 21.6 9.7/117 57.9 12.0 288/0.52 113 .23 16 12 52.46 -13 32.7 12 55.08 -13 49.0 4.354 4.060 +0.48 - 3.7 21.6 8.0/118 66.3 12.8 290/0.56 106 .99 26 12 57.28 -14 10.3 12 59.91 -14 26.4 4.254 4.113 +0.35 - 3.0 21.6 6.0/121 75.1 13.4 291/0.60 19 .23 2025 Jan. 5 13 00.81 -14 40.8 13 03.45 -14 56.9 4.147 4.165 +0.21 - 2.2 21.6 3.8/126 84.2 13.6 292/0.62 147 .28 15 13 02.91 -15 03.3 13 05.55 -15 19.3 4.036 4.215 +0.06 - 1.3 21.7 1.6/149 93.7 13.5 293/0.63 74 .99 25 13 03.47 -15 16.6 13 06.12 -15 32.7 3.925 4.265 -0.11 - 0.3 21.7 1.6/259 103.6 13.0 294/0.63 48 .22 Feb. 4 13 02.40 -15 19.7 13 05.05 -15 35.8 3.820 4.314 -0.27 + 0.8 21.7 4.0/282 113.8 12.1 296/0.60 171 .35 14 12 59.71 -15 11.7 13 02.35 -15 27.8 3.726 4.362 -0.42 + 2.0 21.7 6.4/288 124.5 10.8 298/0.55 40 .98 24 12 55.50 -14 52.0 12 58.13 -15 08.2 3.649 4.409 -0.55 + 3.1 21.7 8.6/291 135.4 9.1 301/0.47 83 .19 Mar. 6 12 49.96 -14 20.7 12 52.59 -14 37.0 3.593 4.455 -0.65 + 4.2 21.7 10.4/294 146.6 7.0 306/0.38 132 .42 16 12 43.45 -13 38.9 12 46.07 -13 55.3 3.564 4.500 -0.71 + 5.0 21.8 11.5/296 157.7 4.8 313/0.26 7 .97 26 12 36.40 -12 48.6 12 39.00 -13 05.1 3.564 4.544 -0.71 + 5.6 21.8 11.8/298 168.0 2.6 334/0.14 123 .16

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