C/2023 H1 (PANSTARRS) Orbit by S. Nakano NK 5440 (2025) Observed in 2nd half of 2025
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2024 Nov. 28.47352 4.4465333 0.9940257 333.72295 292.64528 21.78241 0.200 2026 June 9.0 m1 = 8.5 + 5 log Delta + 7.5 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 , ¡ ¡ ¡ ¡ ¡ ¡ 2025 Dec. 31 20 40.51 -10 15.1 20 43.23 -10 04.3 6.269 5.461 +0.85 + 4.8 18.0 13.4/ 69 32.2 5.5 62/0.17 100 .84 2026 Jan. 10 20 49.01 -09 27.9 20 51.71 -09 16.6 6.385 5.506 +0.85 + 5.1 18.1 13.6/ 68 24.6 4.3 56/0.13 121 .56 20 20 57.58 -08 37.8 21 00.26 -08 26.1 6.483 5.552 +0.85 + 5.3 18.1 13.7/ 67 17.5 3.1 46/0.09 11 .01 30 21 06.10 -07 45.0 21 08.77 -07 32.8 6.561 5.598 +0.84 + 5.6 18.2 13.7/ 66 11.4 2.0 25/0.06 131 .89 Feb. 9 21 14.50 -06 49.9 21 17.15 -06 37.3 6.618 5.645 +0.82 + 5.7 18.2 13.5/ 65 8.7 1.5 341/0.04 96 .55 19 21 22.70 -05 52.8 21 25.34 -05 39.8 6.655 5.692 +0.79 + 5.9 18.3 13.2/ 64 12.1 2.1 300/0.06 28 .03 Mar. 1 21 30.62 -04 54.1 21 33.24 -04 40.8 6.671 5.740 +0.75 + 6.0 18.3 12.8/ 62 18.4 3.1 281/0.09 161 .93 11 21 38.18 -03 54.3 21 40.79 -03 40.7 6.668 5.788 +0.71 + 6.1 18.3 12.3/ 60 25.6 4.3 271/0.12 72 .54 21 21 45.31 -02 53.8 21 47.90 -02 39.9 6.646 5.837 +0.66 + 6.1 18.4 11.6/ 58 33.1 5.4 266/0.16 57 .05 31 21 51.93 -01 53.2 21 54.51 -01 39.0 6.605 5.886 +0.60 + 6.0 18.4 10.9/ 56 40.9 6.4 262/0.19 162 .95 Apr. 10 21 57.97 -00 53.0 22 00.54 -00 38.5 6.549 5.936 +0.54 + 5.9 18.4 10.0/ 54 48.7 7.3 259/0.22 47 .52 20 22 03.37 +00 06.3 22 05.93 +00 21.0 6.478 5.986 +0.47 + 5.8 18.4 9.1/ 50 56.7 8.1 257/0.24 90 .09 30 22 08.04 +01 04.0 22 10.59 +01 18.8 6.396 6.036 +0.39 + 5.6 18.4 8.0/ 46 64.8 8.7 254/0.26 135 .97 May 10 22 11.92 +01 59.5 22 14.47 +02 14.4 6.304 6.087 +0.30 + 5.3 18.4 7.0/ 41 73.0 9.1 252/0.28 21 .49 20 22 14.96 +02 52.1 22 17.50 +03 07.1 6.206 6.138 +0.21 + 4.9 18.4 5.8/ 33 81.5 9.4 250/0.29 124 .15 30 22 17.09 +03 41.0 22 19.62 +03 56.1 6.106 6.190 +0.12 + 4.5 18.4 4.8/ 22 90.0 9.4 248/0.30 106 .98 June 9 22 18.28 +04 25.5 22 20.81 +04 40.6 6.006 6.242 +0.02 + 3.9 18.4 3.9/ 5 98.8 9.2 246/0.30 20 .44 19 22 18.51 +05 04.9 22 21.03 +05 20.0 5.910 6.294 -0.07 + 3.3 18.3 3.5/342 107.7 8.8 243/0.29 156 .20 29 22 17.79 +05 38.2 22 20.30 +05 53.3 5.824 6.346 -0.16 + 2.7 18.3 3.6/318 116.8 8.2 240/0.27 75 .99 July 9 22 16.16 +06 05.1 22 18.67 +06 20.1 5.750 6.399 -0.25 + 2.0 18.3 4.2/298 125.9 7.4 236/0.25 53 .37 19 22 13.71 +06 24.8 22 16.21 +06 39.7 5.692 6.452 -0.31 + 1.2 18.3 4.8/285 135.1 6.4 231/0.22 157 .26 29 22 10.57 +06 37.1 22 13.08 +06 52.0 5.656 6.506 -0.36 + 0.5 18.4 5.4/275 144.1 5.2 224/0.18 43 1.00 Aug. 8 22 06.94 +06 42.1 22 09.44 +06 56.9 5.643 6.559 -0.39 - 0.2 18.4 5.8/268 152.5 4.1 212/0.14 92 .29 18 22 03.02 +06 40.2 22 05.51 +06 54.8 5.656 6.613 -0.40 - 0.8 18.4 6.0/262 159.3 3.1 192/0.11 125 .30 28 21 59.05 +06 32.3 22 01.54 +06 46.7 5.698 6.667 -0.38 - 1.3 18.5 5.8/257 162.3 2.6 161/0.09 18 1.00 Sept. 7 21 55.27 +06 19.4 21 57.77 +06 33.8 5.767 6.721 -0.34 - 1.6 18.5 5.3/252 159.6 3.0 129/0.10 131 .21 17 21 51.91 +06 03.1 21 54.41 +06 17.3 5.865 6.776 -0.27 - 1.8 18.6 4.5/246 152.9 3.9 108/0.13 91 .33 27 21 49.17 +05 45.0 21 51.67 +05 59.1 5.990 6.831 -0.20 - 1.8 18.6 3.5/238 144.5 4.9 96/0.16 37 1.00 Oct. 7 21 47.19 +05 26.7 21 49.69 +05 40.7 6.139 6.885 -0.11 - 1.7 18.7 2.4/224 135.3 5.9 88/0.18 162 .15 17 21 46.06 +05 09.5 21 48.57 +05 23.5 6.308 6.940 -0.02 - 1.5 18.8 1.5/192 126.0 6.7 83/0.20 59 .34 27 21 45.84 +04 54.9 21 48.35 +05 08.9 6.495 6.996 +0.07 - 1.1 18.9 1.5/137 116.6 7.3 78/0.22 73 .99 Nov. 6 21 46.53 +04 43.8 21 49.04 +04 57.8 6.694 7.051 +0.16 - 0.7 19.0 2.4/106 107.2 7.7 75/0.22 144 .11 16 21 48.10 +04 37.0 21 50.61 +04 51.1 6.902 7.107 +0.24 - 0.2 19.1 3.6/ 93 98.0 7.9 72/0.22 31 .36 26 21 50.49 +04 35.1 21 53.01 +04 49.3 7.114 7.162 +0.31 + 0.3 19.2 4.7/ 86 88.8 7.9 69/0.22 108 .97 Dec. 6 21 53.63 +04 38.2 21 56.15 +04 52.5 7.326 7.218 +0.38 + 0.9 19.3 5.7/ 81 79.9 7.7 66/0.20 114 .09 16 21 57.43 +04 46.6 21 59.95 +05 01.1 7.534 7.274 +0.44 + 1.4 19.3 6.7/ 78 71.1 7.4 63/0.19 16 .38 26 22 01.80 +05 00.2 22 04.31 +05 14.8 7.733 7.330 +0.48 + 1.9 19.4 7.5/ 75 62.4 6.8 60/0.17 142 .94 2027 Jan. 5 22 06.64 +05 18.8 22 09.15 +05 33.6 7.922 7.386 +0.52 + 2.4 19.5 8.1/ 73 54.0 6.2 56/0.15 85 .07 15 22 11.85 +05 42.2 22 14.36 +05 57.1 8.096 7.443 +0.55 + 2.8 19.6 8.7/ 71 45.7 5.4 52/0.13 37 .41 25 22 17.34 +06 09.9 22 19.85 +06 25.0 8.253 7.499 +0.57 + 3.2 19.6 9.0/ 69 37.8 4.6 47/0.11 166 .91 Feb. 4 22 23.03 +06 41.7 22 25.54 +06 57.0 8.391 7.556 +0.58 + 3.6 19.7 9.3/ 67 30.3 3.8 39/0.09 58 .06 14 22 28.82 +07 17.1 22 31.33 +07 32.5 8.508 7.612 +0.58 + 3.9 19.8 9.5/ 66 23.5 3.0 27/0.07 67 .46 24 22 34.63 +07 55.5 22 37.14 +08 11.1 8.603 7.669 +0.58 + 4.1 19.8 9.5/ 64 18.1 2.3 9/0.05 148 .88 Mar. 6 22 40.39 +08 36.6 22 42.89 +08 52.4 8.676 7.726 +0.56 + 4.3 19.9 9.4/ 62 15.8 2.0 341/0.05 32 .05