C/2023 H3 (PANSTARRS) Orbit by S. Nakano NK 5064 (2023) Last obs. 2023 06 13 (X03)

Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2024 Feb. 18.67251 5.2330682 0.6159086 50.3 193.28918 55.10161 2.48902 0.200 2024 Mar. 31.0 m1 = 11.0 + 5 log Delta + 8.0 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 16 15.26 -21 31.6 16 18.22 -21 38.9 6.135 5.245 +1.00 - 2.6 20.7 14.1/101 23.1 4.2 279/0.13 142 .74 2024 Jan. 1 16 25.23 -21 57.8 16 28.21 -22 04.4 6.060 5.241 +0.97 - 2.3 20.7 13.6/100 30.9 5.5 278/0.18 93 .78 11 16 34.91 -22 21.2 16 37.90 -22 27.1 5.968 5.238 +0.93 - 2.0 20.6 13.0/ 99 38.8 6.8 278/0.22 32 .01 21 16 44.17 -22 41.7 16 47.17 -22 47.0 5.860 5.236 +0.87 - 1.7 20.6 12.2/ 99 46.8 7.9 277/0.26 171 .79 31 16 52.89 -22 59.5 16 55.91 -23 04.2 5.737 5.234 +0.81 - 1.5 20.5 11.2/ 98 55.0 8.9 276/0.30 68 .77 Feb. 10 17 00.96 -23 14.8 17 03.99 -23 18.9 5.603 5.233 +0.73 - 1.2 20.5 10.1/ 97 63.2 9.7 275/0.33 64 .00 20 17 08.24 -23 27.7 17 11.27 -23 31.3 5.459 5.233 +0.64 - 1.0 20.4 8.8/ 97 71.7 10.3 275/0.36 158 .82 Mar. 1 17 14.61 -23 38.6 17 17.65 -23 41.8 5.309 5.233 +0.53 - 0.9 20.4 7.4/ 97 80.2 10.8 274/0.39 40 .75 11 17 19.95 -23 47.8 17 23.00 -23 50.6 5.156 5.235 +0.42 - 0.7 20.3 5.8/ 98 89.0 10.9 274/0.41 98 .01 21 17 24.14 -23 55.6 17 27.19 -23 58.1 5.004 5.236 +0.30 - 0.6 20.2 4.1/ 99 98.0 10.9 273/0.42 128 .84 31 17 27.09 -24 02.2 17 30.15 -24 04.5 4.855 5.239 +0.16 - 0.6 20.2 2.3/104 107.2 10.5 273/0.41 9 .72 Apr. 10 17 28.74 -24 07.9 17 31.79 -24 10.0 4.715 5.242 +0.03 - 0.5 20.1 0.6/137 116.7 9.8 273/0.40 134 .02 20 17 29.05 -24 12.6 17 32.11 -24 14.7 4.586 5.246 -0.10 - 0.4 20.1 1.4/254 126.4 8.9 273/0.37 97 .86 30 17 28.08 -24 16.3 17 31.14 -24 18.5 4.475 5.250 -0.22 - 0.3 20.0 3.0/264 136.4 7.6 274/0.32 28 .66 May 10 17 25.91 -24 19.0 17 28.97 -24 21.4 4.383 5.255 -0.32 - 0.2 20.0 4.3/268 146.5 6.1 275/0.26 171 .05 20 17 22.74 -24 20.5 17 25.80 -24 23.1 4.315 5.261 -0.39 0.0 19.9 5.3/269 156.9 4.3 276/0.19 64 .88 30 17 18.84 -24 20.8 17 21.90 -24 23.6 4.273 5.267 -0.43 + 0.1 19.9 5.9/270 167.4 2.4 279/0.11 68 .58 June 9 17 14.52 -24 19.7 17 17.58 -24 22.9 4.260 5.274 -0.44 + 0.2 19.9 6.0/271 177.6 0.5 307/0.02 151 .07 19 17 10.15 -24 17.6 17 13.20 -24 21.1 4.275 5.282 -0.41 + 0.2 19.9 5.6/272 171.4 1.7 86/0.07 28 .90 29 17 06.09 -24 14.9 17 09.14 -24 18.7 4.319 5.290 -0.34 + 0.3 20.0 4.7/273 161.0 3.6 91/0.16 110 .49 July 9 17 02.66 -24 12.0 17 05.71 -24 16.1 4.389 5.299 -0.25 + 0.2 20.0 3.5/273 150.7 5.4 93/0.24 115 .09 19 17 00.14 -24 09.7 17 03.19 -24 13.9 4.484 5.308 -0.14 + 0.1 20.1 1.9/274 140.6 7.0 94/0.30 9 .92 29 16 58.73 -24 08.3 17 01.77 -24 12.6 4.601 5.319 -0.02 0.0 20.1 0.3/270 130.7 8.3 95/0.35 151 .40 Aug. 8 16 58.52 -24 08.3 17 01.56 -24 12.6 4.735 5.329 +0.11 - 0.1 20.2 1.5/ 96 121.1 9.4 95/0.38 82 .11 18 16 59.58 -24 09.8 17 02.63 -24 14.1 4.883 5.341 +0.23 - 0.3 20.3 3.2/ 95 111.7 10.1 95/0.40 44 .95 28 17 01.90 -24 12.9 17 04.94 -24 16.9 5.041 5.353 +0.35 - 0.4 20.3 4.8/ 95 102.6 10.6 95/0.40 172 .33 Sept. 7 17 05.42 -24 17.3 17 08.47 -24 21.1 5.205 5.365 +0.47 - 0.5 20.4 6.4/ 95 93.7 10.8 95/0.40 51 .13 17 17 10.08 -24 22.7 17 13.13 -24 26.2 5.371 5.379 +0.57 - 0.6 20.5 7.8/ 94 85.1 10.7 95/0.38 79 .98 27 17 15.77 -24 28.7 17 18.83 -24 31.8 5.536 5.392 +0.66 - 0.6 20.6 9.1/ 94 76.6 10.4 94/0.36 140 .28 Oct. 7 17 22.40 -24 34.9 17 25.46 -24 37.5 5.696 5.407 +0.75 - 0.5 20.6 10.2/ 93 68.3 9.9 94/0.33 22 .15 17 17 29.86 -24 40.7 17 32.93 -24 42.8 5.849 5.422 +0.82 - 0.4 20.7 11.1/ 93 60.1 9.2 94/0.30 113 1.00 27 17 38.03 -24 45.7 17 41.11 -24 47.2 5.992 5.437 +0.88 - 0.3 20.8 12.0/ 92 52.0 8.3 93/0.27 112 .25 Nov. 6 17 46.82 -24 49.6 17 49.89 -24 50.4 6.123 5.453 +0.93 - 0.2 20.8 12.6/ 91 44.0 7.3 92/0.23 8 .18 16 17 56.10 -24 51.8 17 59.18 -24 51.9 6.238 5.470 +0.97 0.0 20.9 13.2/ 90 36.1 6.1 92/0.19 145 1.00 26 18 05.78 -24 52.1 18 08.85 -24 51.6 6.337 5.487 +1.00 + 0.2 20.9 13.6/ 89 28.2 4.9 92/0.15 86 .24 Dec. 6 18 15.74 -24 50.3 18 18.82 -24 49.1 6.418 5.505 +1.01 + 0.5 21.0 13.8/ 89 20.3 3.6 92/0.11 36 .23 16 18 25.89 -24 46.3 18 28.96 -24 44.3 6.480 5.523 +1.02 + 0.7 21.0 13.9/ 88 12.5 2.2 94/0.07 175 .99 26 18 36.11 -24 40.1 18 39.17 -24 37.3 6.521 5.541 +1.02 + 0.9 21.0 13.9/ 87 4.8 0.8 103/0.03 61 .23 2025 Jan. 5 18 46.31 -24 31.6 18 49.37 -24 28.2 6.542 5.561 +1.01 + 1.1 21.0 13.8/ 86 3.7 0.6 238/0.02 67 .28 15 18 56.39 -24 21.2 18 59.44 -24 17.0 6.542 5.580 +0.98 + 1.3 21.1 13.5/ 85 11.3 2.0 256/0.06 156 .99 25 19 06.24 -24 09.0 19 09.28 -24 04.1 6.521 5.601 +0.95 + 1.4 21.1 13.1/ 84 19.2 3.3 258/0.10 36 .22 Feb. 4 19 15.78 -23 55.3 19 18.81 -23 49.8 6.481 5.621 +0.91 + 1.5 21.1 12.6/ 84 27.1 4.6 259/0.13 100 .35 14 19 24.90 -23 40.7 19 27.92 -23 34.6 6.421 5.642 +0.86 + 1.6 21.0 11.9/ 83 35.2 5.8 259/0.17 129 .98 24 19 33.52 -23 25.6 19 36.52 -23 18.9 6.344 5.664 +0.80 + 1.6 21.0 11.1/ 82 43.2 6.9 259/0.21 10 .19 Mar. 6 19 41.53 -23 10.5 19 44.52 -23 03.3 6.252 5.686 +0.73 + 1.5 21.0 10.2/ 82 51.4 7.8 258/0.24 132 .42 16 19 48.83 -22 56.1 19 51.81 -22 48.4 6.146 5.709 +0.65 + 1.4 21.0 9.1/ 82 59.7 8.7 258/0.27 101 .97 26 19 55.36 -22 42.9 19 58.32 -22 34.8 6.028 5.732 +0.56 + 1.2 21.0 7.9/ 82 68.1 9.3 258/0.29 21 .16

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