103P/Hartley 2 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. 12.51852 1.0640930 0.6938441 6.48 181.30171 219.75009 13.61047 0.200 2023 Sep. 13.0 pre-T: m1 = 8.5 + 5 log Delta + 20.0 log r post-T: m1 = 8.0 + 5 log Delta + 13.0 log r 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 , ¡ ¡ ¡ ¡ ¡ ¡ 2022 Dec. 27 18 05.53 -15 13.4 18 08.39 -15 12.9 4.173 3.204 -0.40 - 0.7 21.7 20.7/ 87 8.7 2.7 341/0.12 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 21.5 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 21.2 21.8/ 83 18.2 5.8 294/0.27 63 .41 26 18 49.24 -14 11.9 18 52.07 -14 08.2 3.862 2.992 -0.51 - 1.1 21.0 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 20.7 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 20.3 23.1/ 76 36.4 11.9 275/0.63 40 .36 25 19 34.88 -11 54.7 19 37.66 -11 47.9 3.415 2.767 -0.65 - 1.9 20.0 23.5/ 74 42.5 14.0 271/0.77 104 .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 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 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 24.8/ 68 60.1 20.0 263/1.28 124 .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 25.2/ 65 65.7 21.9 260/1.49 116 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 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 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 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 28.1/ 56 86.6 28.6 251/2.62 44 .15 26 21 53.81 +04 05.7 21 56.33 +04 20.0 1.727 2.023 -1.78 - 7.7 15.8 29.3/ 54 91.4 30.0 249/3.02 153 .35 June 5 22 09.81 +06 55.4 22 12.30 +07 10.3 1.548 1.935 -2.07 - 8.9 15.2 30.8/ 52 95.8 31.4 246/3.47 75 .99 15 22 26.35 +10 01.9 22 28.83 +10 17.3 1.377 1.846 -2.43 -10.3 14.5 32.7/ 51 99.9 32.8 244/4.01 64 .10 25 22 43.74 +13 26.7 22 46.22 +13 42.5 1.215 1.757 -2.89 -12.0 13.8 35.3/ 50 103.5 34.2 241/4.66 157 .37 July 5 23 02.52 +17 11.7 23 04.99 +17 27.9 1.064 1.668 -3.49 -13.9 13.1 38.6/ 49 106.6 35.7 239/5.44 56 .96 15 23 23.48 +21 18.6 23 25.97 +21 35.1 0.924 1.581 -4.28 -15.9 12.3 42.9/ 50 109.0 37.5 236/6.41 79 .07 25 23 47.85 +25 47.3 23 50.39 +26 04.0 0.797 1.495 -5.35 -18.0 11.5 48.8/ 52 110.5 39.6 234/7.63 152 .41 Aug. 4 00 17.69 +30 34.5 00 20.31 +30 51.2 0.684 1.411 -6.81 -19.4 10.7 56.5/ 56 110.8 42.2 233/9.17 45 .92 14 00 56.14 +35 27.9 00 58.90 +35 44.0 0.586 1.332 -8.84 -18.7 9.8 66.3/ 63 109.9 45.7 234/11.1 84 .05 24 01 47.42 +39 52.9 01 50.41 +40 07.8 0.505 1.259 -11.56 -12.4 9.0 77.9/ 72 107.5 50.0 238/13.6 152 .46 Sept. 3 02 55.08 +42 38.8 02 58.36 +42 50.8 0.443 1.194 -14.78 + 5.7 8.3 89.1/ 86 103.6 55.2 245/16.4 42 .88 13 04 15.59 +42 04.9 04 19.06 +42 12.1 0.402 1.139 -17.09 +41.6 7.7 95.4/101 98.7 60.8 256/19.3 76 .04 23 05 34.70 +37 18.5 05 38.11 +37 20.3 0.384 1.098 -15.85 +85.8 7.2 93.5/116 93.8 65.8 267/21.4 169 .52 Oct. 3 06 39.51 +29 29.6 06 42.69 +29 26.7 0.387 1.072 -11.04 +105.2 7.0 83.9/126 89.9 69.0 274/22.1 43 .84 13 07 27.79 +20 45.2 07 30.74 +20 38.9 0.407 1.064 -6.81 +84.0 6.4 70.4/133 87.9 69.6 279/21.5 68 .03 23 08 02.85 +12 33.3 08 05.63 +12 24.7 0.438 1.074 -4.72 +46.9 6.6 56.8/138 88.1 67.8 282/19.8 164 .60 Nov. 2 08 28.23 +05 27.7 08 30.88 +05 17.5 0.473 1.101 -3.95 +16.8 6.9 44.5/143 90.2 64.3 285/17.8 42 .81 12 08 46.08 -00 28.5 08 48.63 -00 39.6 0.508 1.144 -3.82 - 1.9 7.3 33.7/150 94.0 59.7 288/15.8 78 .02 22 08 57.36 -05 19.8 08 59.85 -05 31.6 0.540 1.199 -4.00 -11.8 7.7 24.3/162 99.2 54.4 291/13.9 142 .67 Dec. 2 09 02.59 -09 10.4 09 05.03 -09 22.4 0.570 1.265 -4.31 -15.8 8.1 17.1/183 105.7 48.6 296/12.1 35 .79 12 09 02.00 -12 00.8 09 04.40 -12 12.7 0.597 1.339 -4.65 -15.6 8.5 13.7/219 113.5 42.4 302/10.3 101 .01 22 08 56.06 -13 46.7 08 58.42 -13 58.4 0.625 1.419 -4.92 -12.4 9.0 15.2/256 122.2 35.9 310/8.48 111 .74 2024 Jan. 1 08 45.92 -14 24.4 08 48.26 -14 35.6 0.659 1.503 -5.02 - 7.5 9.4 18.5/279 131.3 29.4 320/6.73 38 .78 11 08 33.34 -13 54.6 08 35.68 -14 05.0 0.704 1.589 -4.90 - 2.2 9.9 20.7/295 140.1 23.4 334/5.11 132 .01 21 08 20.56 -12 25.8 08 22.92 -12 35.5 0.763 1.677 -4.57 + 2.3 10.3 20.6/309 147.1 18.6 354/3.83 72 .79 31 08 09.64 -10 16.2 08 12.03 -10 25.3 0.841 1.765 -4.11 + 5.3 10.8 18.9/322 150.3 16.0 19/3.06 64 .77 Feb. 10 08 01.86 -07 46.9 08 04.29 -07 55.4 0.939 1.854 -3.60 + 6.9 11.3 16.3/338 148.8 16.0 44/2.79 145 .00 20 07 57.74 -05 16.1 08 00.22 -05 24.4 1.057 1.943 -3.11 + 7.5 11.9 14.0/357 143.6 17.6 63/2.77 38 .82 Mar. 1 07 57.19 -02 56.8 07 59.71 -03 05.0 1.193 2.031 -2.67 + 7.4 12.4 12.7/ 18 136.6 19.6 76/2.78 96 .75 11 07 59.75 -00 55.6 08 02.30 -01 04.0 1.347 2.118 -2.30 + 7.0 12.9 12.7/ 38 129.0 21.4 84/2.72 120 .01 21 08 04.91 +00 44.7 08 07.48 +00 36.0 1.515 2.205 -1.98 + 6.5 13.4 13.4/ 54 121.4 22.7 91/2.60 26 .84 31 08 12.13 +02 04.0 08 14.72 +01 54.8 1.695 2.290 -1.71 + 5.9 13.8 14.5/ 66 113.9 23.5 95/2.43 125 .72