496P/Hill Orbit by S. Nakano CBET 5466 (2024) Observed in 1st half of 2025

Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2025 Mar. 10.28022 1.6210415 0.7342631 15.1 42.24616 63.58694 14.81450 0.200 2025 May 5.0 m1 = 14.0 + 5 log Delta + 10.0 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 02 10.28 +12 48.0 02 12.98 +13 02.0 1.116 1.829 +0.36 +14.7 16.9 15.6/ 20 121.1 27.4 70/4.07 176 .23 2025 Jan. 5 02 13.90 +15 15.1 02 16.63 +15 29.0 1.155 1.780 +0.80 +15.8 16.8 19.5/ 36 112.5 30.7 71/4.40 49 .28 15 02 21.81 +17 53.0 02 24.59 +18 06.5 1.200 1.737 +1.21 +16.4 16.8 23.7/ 46 105.0 33.2 72/4.58 88 .99 25 02 33.83 +20 37.3 02 36.66 +20 50.3 1.249 1.699 +1.60 +16.6 16.8 27.7/ 53 98.4 35.0 73/4.64 154 .22 Feb. 4 02 49.77 +23 23.8 02 52.66 +23 36.0 1.302 1.669 +1.97 +16.3 16.8 31.4/ 58 92.6 36.2 73/4.61 21 .35 14 03 09.41 +26 07.4 03 12.37 +26 18.6 1.358 1.645 +2.32 +15.4 16.8 34.4/ 62 87.6 36.8 74/4.52 108 .98 24 03 32.51 +28 42.4 03 35.57 +28 52.3 1.415 1.629 +2.65 +13.9 16.9 37.0/ 66 83.3 37.1 75/4.38 136 .19 Mar. 6 03 58.88 +31 02.7 04 02.02 +31 11.1 1.476 1.622 +2.94 +11.7 16.9 39.1/ 71 79.5 37.0 77/4.21 6 .42 16 04 28.16 +33 02.1 04 31.39 +33 08.5 1.541 1.622 +3.18 + 9.0 17.0 40.6/ 75 76.2 36.5 78/4.00 123 .97 26 04 59.88 +34 34.6 05 03.18 +34 38.8 1.610 1.631 +3.36 + 5.8 17.2 41.6/ 80 73.2 35.8 81/3.78 120 .16 Apr. 5 05 33.44 +35 35.4 05 36.79 +35 37.2 1.685 1.648 +3.46 + 2.4 17.3 42.2/ 84 70.5 34.9 83/3.54 20 .49 15 06 08.05 +36 01.5 06 11.42 +36 00.8 1.766 1.673 +3.48 - 1.2 17.5 42.3/ 89 68.0 33.8 86/3.30 134 .96 25 06 42.86 +35 52.4 06 46.22 +35 49.2 1.854 1.704 +3.42 - 4.5 17.7 42.0/ 94 65.6 32.5 89/3.04 104 .11 May 5 07 17.13 +35 09.8 07 20.43 +35 04.2 1.949 1.743 +3.30 - 7.5 17.9 41.5/ 98 63.1 31.1 91/2.79 34 .54 15 07 50.19 +33 57.4 07 53.41 +33 49.5 2.051 1.787 +3.13 - 9.9 18.1 40.6/102 60.6 29.5 94/2.54 145 .95 25 08 21.61 +32 20.1 08 24.74 +32 10.3 2.161 1.837 +2.95 -11.9 18.3 39.7/105 58.0 27.9 96/2.29 87 .07 June 4 08 51.20 +30 23.2 08 54.24 +30 11.8 2.276 1.891 +2.76 -13.3 18.6 38.5/108 55.2 26.1 98/2.05 47 .58 14 09 18.90 +28 12.1 09 21.85 +27 59.3 2.398 1.949 +2.58 -14.2 18.8 37.3/111 52.2 24.3 99/1.83 158 .93 24 09 44.79 +25 51.3 09 47.64 +25 37.4 2.524 2.011 +2.41 -14.7 19.0 36.1/113 49.1 22.5 100/1.62 67 .03 July 4 10 09.00 +23 24.7 10 11.79 +23 09.9 2.653 2.075 +2.26 -15.0 19.3 34.9/114 45.7 20.5 100/1.42 60 .61 14 10 31.71 +20 55.5 10 34.43 +20 40.0 2.784 2.143 +2.13 -15.0 19.5 33.7/115 42.2 18.6 100/1.23 170 .89 24 10 53.10 +18 26.2 10 55.77 +18 10.2 2.916 2.212 +2.02 -14.8 19.8 32.5/116 38.4 16.6 99/1.05 48 .01 Aug. 3 11 13.34 +15 58.7 11 15.96 +15 42.3 3.046 2.282 +1.92 -14.4 20.0 31.4/117 34.5 14.6 98/0.89 74 .64 13 11 32.57 +13 34.4 11 35.16 +13 17.8 3.173 2.355 +1.83 -14.0 20.2 30.3/117 30.3 12.5 97/0.74 158 .84 23 11 50.93 +11 14.4 11 53.50 +10 57.7 3.296 2.428 +1.76 -13.5 20.4 29.3/117 26.0 10.5 94/0.60 28 .00 Sept. 2 12 08.52 +08 59.5 12 11.08 +08 42.8 3.413 2.502 +1.69 -12.9 20.6 28.3/117 21.5 8.5 90/0.47 91 .66 12 12 25.44 +06 50.5 12 27.99 +06 33.9 3.521 2.576 +1.63 -12.3 20.8 27.3/117 17.1 6.6 83/0.35 135 .77 22 12 41.75 +04 47.6 12 44.30 +04 31.2 3.621 2.651 +1.58 -11.6 21.0 26.3/116 12.7 4.8 72/0.25 12 .00 Oct. 2 12 57.51 +02 51.4 13 00.06 +02 35.2 3.709 2.726 +1.52 -10.9 21.2 25.3/115 9.3 3.4 49/0.17 109 .70 12 13 12.73 +01 02.2 13 15.28 +00 46.3 3.786 2.801 +1.47 -10.2 21.4 24.3/115 8.2 2.9 12/0.15 110 .69 22 13 27.43 -00 39.9 13 30.00 -00 55.4 3.849 2.877 +1.42 - 9.4 21.5 23.3/114 10.8 3.7 339/0.18 17 .00 Nov. 1 13 41.61 -02 14.4 13 44.19 -02 29.5 3.897 2.952 +1.36 - 8.6 21.7 22.2/113 15.4 5.1 321/0.25 131 .73 11 13 55.24 -03 41.3 13 57.83 -03 55.9 3.930 3.027 +1.31 - 7.9 21.8 21.0/112 21.1 6.7 311/0.33 85 .63 21 14 08.27 -05 00.5 14 10.89 -05 14.6 3.948 3.102 +1.24 - 7.1 21.9 19.8/111 27.2 8.4 305/0.40 36 .01 Dec. 1 14 20.65 -06 11.6 14 23.28 -06 25.2 3.949 3.177 +1.17 - 6.3 22.0 18.5/110 33.8 9.9 300/0.48 155 .78 11 14 32.28 -07 14.8 14 34.94 -07 27.9 3.934 3.251 +1.08 - 5.5 22.1 17.0/109 40.6 11.4 297/0.55 60 .59 21 14 43.09 -08 10.0 14 45.76 -08 22.6 3.904 3.325 +0.99 - 4.7 22.2 15.4/108 47.8 12.7 294/0.61 59 .01 31 14 52.94 -08 57.2 14 55.63 -09 09.3 3.860 3.398 +0.88 - 3.9 22.2 13.6/107 55.3 13.8 292/0.67 166 .84 2026 Jan. 10 15 01.71 -09 36.4 15 04.41 -09 48.1 3.803 3.471 +0.76 - 3.1 22.3 11.6/106 63.1 14.6 290/0.73 36 .56 20 15 09.25 -10 07.8 15 11.96 -10 19.1 3.734 3.544 +0.62 - 2.3 22.4 9.4/105 71.3 15.3 288/0.77 85 .01 30 15 15.40 -10 31.6 15 18.12 -10 42.6 3.657 3.616 +0.46 - 1.6 22.4 7.0/104 79.8 15.6 286/0.80 138 .89 Feb. 9 15 20.00 -10 48.1 15 22.73 -10 58.8 3.575 3.687 +0.29 - 0.9 22.4 4.4/102 88.7 15.5 285/0.82 14 .55 19 15 22.91 -10 57.5 15 25.64 -11 08.0 3.491 3.758 +0.11 - 0.3 22.5 1.6/100 98.0 15.1 283/0.81 116 .03 Mar. 1 15 24.01 -11 00.3 15 26.74 -11 10.8 3.409 3.829 -0.08 + 0.3 22.5 1.2/285 107.7 14.3 282/0.79 103 .93

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