103P/Hartley Orbit by S. Nakano NK 4265 (2020) Last obs. 2019 04 08 (F51)

Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2023 Oct. 12.55545 1.0646007 0.6936642 6.48 181.29047 219.74699 13.60931 0.200 2022 Aug. 9.0 m1 = 8.5 + 5 log Delta + 20.0 log r m2 = 14.5 + 5 log Delta + 5.0 log r + 0.03 phase Date/ 0h TT R.A.(1950) Decl. R.A.(2000) Decl. Delta r Variation Magnitude Mot./PA Elong. P PA/Tail Moon Age h m ¡ , h m ¡ , for T=+1 day m1 m2 , ¡ ¡ ¡ ¡ ¡ ¡ 2022 July 30 16 10.06 -11 23.1 16 12.82 -11 30.7 3.554 4.108 -0.28 - 0.5 . 20.7 2.3/250 116.5 12.8 105/0.68 102 .02 Aug. 9 16 08.61 -11 30.9 16 11.38 -11 38.6 3.646 4.056 -0.27 - 0.5 . 20.8 1.4/163 106.7 13.9 103/0.71 32 .86 19 16 08.88 -11 44.1 16 11.65 -11 51.8 3.744 4.002 -0.26 - 0.5 . 20.8 3.3/122 97.4 14.5 102/0.73 166 .52 29 16 10.82 -12 01.9 16 13.59 -12 09.5 3.844 3.947 -0.26 - 0.5 . 20.9 5.6/112 88.4 14.8 100/0.73 69 .03 Sept. 8 16 14.32 -12 23.1 16 17.11 -12 30.5 3.943 3.891 -0.25 - 0.4 . 20.9 7.6/108 79.7 14.8 98/0.71 69 .92 18 16 19.29 -12 46.7 16 22.08 -12 53.7 4.036 3.834 -0.25 - 0.4 . 20.9 9.6/105 71.3 14.4 97/0.67 157 .49 28 16 25.60 -13 11.6 16 28.40 -13 18.2 4.120 3.777 -0.26 - 0.4 . 20.9 11.3/103 63.3 13.7 95/0.63 38 .05 Oct. 8 16 33.14 -13 36.7 16 35.96 -13 42.8 4.193 3.718 -0.26 - 0.4 . 20.8 12.8/101 55.4 12.8 93/0.58 101 .96 18 16 41.79 -14 01.0 16 44.62 -14 06.5 4.252 3.657 -0.27 - 0.4 . 20.8 14.2/ 99 47.8 11.6 90/0.52 132 .47 28 16 51.46 -14 23.6 16 54.30 -14 28.4 4.295 3.596 -0.28 - 0.4 . 20.8 15.5/ 97 40.4 10.3 87/0.46 12 .08 Nov. 7 17 02.04 -14 43.4 17 04.89 -14 47.5 4.321 3.534 -0.30 - 0.4 . 20.7 16.6/ 96 33.2 8.8 83/0.39 130 .98 17 17 13.44 -14 59.7 17 16.29 -15 02.9 4.330 3.470 -0.31 - 0.4 . 20.6 17.6/ 94 26.2 7.2 78/0.32 109 .46 27 17 25.57 -15 11.5 17 28.43 -15 13.9 4.320 3.406 -0.33 - 0.4 . 20.5 18.5/ 92 19.6 5.6 70/0.25 27 .13 Dec. 7 17 38.35 -15 18.2 17 41.22 -15 19.7 4.290 3.340 -0.35 - 0.5 . 20.4 19.3/ 90 13.5 4.0 56/0.18 154 .99 17 17 51.69 -15 19.1 17 54.56 -15 19.6 4.241 3.273 -0.38 - 0.6 . 20.3 20.0/ 89 9.0 2.7 27/0.12 86 .44 27 18 05.53 -15 13.4 18 08.39 -15 12.9 4.173 3.204 -0.40 - 0.7 . 20.2 20.7/ 87 8.7 2.7 340/0.12 54 .18 2023 Jan. 6 18 19.78 -15 00.6 18 22.64 -14 59.1 4.087 3.135 -0.44 - 0.8 . 20.2 21.3/ 85 12.6 3.9 309/0.18 168 .99 16 18 34.37 -14 40.3 18 37.22 -14 37.7 3.983 3.064 -0.47 - 1.0 . 20.1 21.8/ 83 18.2 5.8 293/0.27 63 .41 26 18 49.24 -14 11.9 18 52.07 -14 08.2 3.862 2.992 -0.51 - 1.1 . 20.0 22.3/ 81 24.2 7.8 285/0.38 81 .23 Feb. 5 19 04.31 -13 35.0 19 07.13 -13 30.3 3.726 2.918 -0.55 - 1.3 . 20.0 22.7/ 79 30.3 9.8 279/0.50 155 .99 15 19 19.54 -12 49.4 19 22.34 -12 43.6 3.577 2.843 -0.60 - 1.6 . 19.9 23.1/ 76 36.4 11.9 275/0.62 40 .36 25 19 34.88 -11 54.7 19 37.66 -11 47.9 3.415 2.767 -0.65 - 1.9 . 19.8 23.5/ 74 42.5 14.0 271/0.76 104 .27 Mar. 7 19 50.27 -10 50.6 19 53.02 -10 42.7 3.243 2.689 -0.72 - 2.2 19.6 19.7 23.9/ 72 48.4 16.0 268/0.92 136 1.00 17 20 05.68 -09 36.8 20 08.41 -09 28.0 3.063 2.611 -0.79 - 2.6 19.3 19.6 24.3/ 70 54.3 18.0 265/1.09 19 .29 27 20 21.10 -08 13.0 20 23.79 -08 03.3 2.876 2.530 -0.87 - 3.1 18.9 19.4 24.8/ 68 60.1 20.0 263/1.27 124 .30 Apr. 6 20 36.49 -06 38.9 20 39.15 -06 28.3 2.685 2.449 -0.96 - 3.6 18.4 19.2 25.2/ 65 65.7 21.9 260/1.48 116 1.00 16 20 51.87 -04 54.1 20 54.50 -04 42.6 2.491 2.366 -1.07 - 4.2 18.0 19.1 25.8/ 63 71.2 23.7 258/1.72 23 .22 26 21 07.25 -02 57.9 21 09.85 -02 45.7 2.296 2.282 -1.20 - 4.9 17.5 18.9 26.4/ 61 76.5 25.4 256/1.98 141 .32 May 6 21 22.65 -00 49.9 21 25.22 -00 36.9 2.103 2.196 -1.36 - 5.7 16.9 18.6 27.2/ 59 81.7 27.0 253/2.28 95 1.00 16 21 38.14 +01 31.0 21 40.69 +01 44.6 1.912 2.110 -1.55 - 6.6 16.4 18.4 28.1/ 56 86.6 28.6 251/2.62 44 .15

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