C/2025 K2 (PANSTARRS) Orbit by S. Nakano unpublished (2025) Observed in 2nd half of 2025
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) 2025 Oct. 25.3394 2.863572 0.886906 127 232.4696 113.8273 113.9766 0.200 m1 = 14.0 + 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 , ¡ ¡ ¡ ¡ ¡ ¡ 2025 Dec. 31 16 20.79 -69 23.2 16 26.06 -69 30.1 3.459 2.933 +0.59 -17.0 20.4 17.2/171 50.5 15.0 221/0.81 132 .84 2026 Jan. 10 16 26.17 -72 13.4 16 31.95 -72 19.8 3.396 2.956 +0.35 -19.3 20.4 19.3/176 55.7 16.0 230/0.88 74 .56 20 16 28.89 -75 26.2 16 35.44 -75 32.4 3.321 2.980 -0.24 -21.6 20.4 21.6/182 61.5 16.9 238/0.95 66 .01 30 16 25.15 -79 02.2 16 33.05 -79 08.6 3.240 3.008 -2.04 -23.7 20.4 24.1/189 67.7 17.6 248/1.01 128 .89 Feb. 9 16 02.10 -82 57.6 16 12.69 -83 05.5 3.159 3.038 -11.69 -22.8 20.4 26.7/200 74.0 18.2 261/1.07 63 .55 19 14 02.67 -86 38.8 14 15.76 -86 53.0 3.084 3.071 -34.14 + 5.4 20.3 29.3/235 80.0 18.5 299/1.11 88 .03 Mar. 1 08 43.75 -85 48.4 08 34.38 -85 59.1 3.021 3.106 -7.71 +29.1 20.3 31.5/326 85.6 18.5 33/1.13 107 .93 11 07 21.44 -81 02.0 07 17.33 -81 07.7 2.977 3.143 -1.39 +32.9 20.3 33.2/351 90.3 18.4 61/1.14 69 .54 21 07 05.03 -75 33.6 07 03.43 -75 38.2 2.956 3.183 0.00 +34.1 20.4 34.1/ 0 93.9 18.2 75/1.14 101 .05 31 07 03.80 -69 52.9 07 03.43 -69 57.5 2.963 3.224 +0.50 +33.9 20.4 34.0/ 5 96.0 17.9 85/1.12 85 .95 Apr. 10 07 08.08 -64 13.6 07 08.43 -64 18.5 3.000 3.268 +0.73 +32.6 20.5 33.0/ 10 96.5 17.7 94/1.09 89 .52 20 07 14.91 -58 46.8 07 15.73 -58 52.2 3.065 3.313 +0.85 +30.5 20.6 31.3/ 14 95.3 17.6 103/1.06 94 .09 30 07 23.07 -53 41.7 07 24.21 -53 47.7 3.158 3.360 +0.91 +27.7 20.7 28.9/ 18 92.7 17.4 111/1.02 79 .97 May 10 07 31.93 -49 04.5 07 33.31 -49 11.0 3.274 3.408 +0.94 +24.5 20.8 26.3/ 22 88.9 17.2 119/0.98 110 .49 20 07 41.17 -44 58.5 07 42.72 -45 05.7 3.409 3.458 +0.95 +21.3 21.0 23.7/ 27 84.3 16.9 126/0.93 72 .15 30 07 50.56 -41 25.1 07 52.26 -41 32.9 3.556 3.510 +0.95 +18.1 21.1 21.2/ 32 79.2 16.5 132/0.87 89 .98 June 9 07 59.97 -38 23.3 08 01.76 -38 31.7 3.710 3.563 +0.94 +15.1 21.3 18.8/ 37 73.8 15.9 139/0.80 117 .44 19 08 09.28 -35 51.2 08 11.16 -36 00.2 3.867 3.617 +0.92 +12.4 21.4 16.8/ 43 68.3 15.1 145/0.74 55 .20 29 08 18.42 -33 46.6 08 20.37 -33 56.2 4.021 3.672 +0.89 + 9.9 21.5 15.0/ 49 62.9 14.3 151/0.67 108 .99 July 9 08 27.30 -32 06.7 08 29.30 -32 16.7 4.169 3.728 +0.86 + 7.7 21.7 13.5/ 55 57.8 13.3 159/0.61 106 .37 19 08 35.88 -30 48.7 08 37.92 -30 59.3 4.307 3.785 +0.82 + 5.8 21.8 12.1/ 62 53.1 12.4 167/0.55 53 .26 29 08 44.06 -29 50.4 08 46.14 -30 01.4 4.431 3.843 +0.78 + 4.1 21.9 10.9/ 69 49.0 11.5 175/0.49 126 1.00 Aug. 8 08 51.81 -29 09.3 08 53.91 -29 20.7 4.540 3.901 +0.72 + 2.6 22.0 9.8/ 75 45.8 10.7 185/0.45 84 .29 18 08 59.03 -28 43.4 09 01.16 -28 55.2 4.631 3.961 +0.66 + 1.2 22.1 8.8/ 82 43.7 10.2 197/0.42 67 .30 28 09 05.66 -28 30.8 09 07.80 -28 42.9 4.702 4.021 +0.59 + 0.1 22.2 7.8/ 90 42.9 9.8 209/0.40 137 1.00 Sept. 7 09 11.59 -28 29.8 09 13.75 -28 42.2 4.753 4.082 +0.52 - 0.9 22.3 6.8/ 98 43.5 9.8 221/0.39 60 .21 17 09 16.73 -28 38.7 09 18.90 -28 51.4 4.784 4.143 +0.42 - 1.7 22.3 5.8/108 45.6 10.0 232/0.40 86 .33 27 09 20.96 -28 56.0 09 23.13 -29 08.9 4.794 4.205 +0.32 - 2.4 22.4 4.8/120 49.0 10.4 243/0.41 132 1.00 Oct. 7 09 24.15 -29 20.0 09 26.31 -29 33.0 4.785 4.268 +0.20 - 2.9 22.4 3.9/138 53.6 10.9 253/0.43 43 .15 17 09 26.14 -29 48.9 09 28.30 -30 02.0 4.757 4.330 +0.06 - 3.2 22.5 3.3/166 59.1 11.4 262/0.46 107 .34 27 09 26.77 -30 20.6 09 28.93 -30 33.8 4.712 4.394 -0.09 - 3.2 22.5 3.4/200 65.5 11.9 270/0.48 110 .99 Nov. 6 09 25.89 -30 53.0 09 28.03 -31 06.1 4.655 4.457 -0.26 - 3.0 22.5 4.5/227 72.5 12.2 278/0.50 47 .11 16 09 23.32 -31 23.2 09 25.46 -31 36.2 4.587 4.521 -0.44 - 2.4 22.5 6.1/246 80.0 12.4 286/0.52 127 .36 26 09 18.96 -31 47.9 09 21.08 -32 00.7 4.514 4.585 -0.62 - 1.5 22.6 8.1/259 87.9 12.4 293/0.52 81 .97 Dec. 6 09 12.75 -32 03.5 09 14.85 -32 16.0 4.440 4.650 -0.80 - 0.2 22.6 10.2/268 96.1 12.2 301/0.52 69 .09 16 09 04.73 -32 05.8 09 06.81 -32 17.9 4.371 4.714 -0.97 + 1.5 22.6 12.4/277 104.4 11.7 310/0.51 135 .38 26 08 55.09 -31 50.9 08 57.15 -32 02.5 4.314 4.779 -1.09 + 3.6 22.6 14.4/284 112.6 11.0 320/0.48 54 .94 2027 Jan. 5 08 44.19 -31 15.3 08 46.24 -31 26.4 4.273 4.844 -1.17 + 5.9 22.6 16.1/291 120.3 10.1 332/0.45 98 .07 15 08 32.53 -30 17.0 08 34.58 -30 27.3 4.255 4.909 -1.18 + 8.2 22.7 17.4/297 126.9 9.2 345/0.41 118 .41 25 08 20.75 -28 55.7 08 22.81 -29 05.4 4.265 4.974 -1.13 +10.3 22.7 18.1/304 131.7 8.5 1/0.38 49 .91 Feb. 4 08 09.46 -27 13.7 08 11.54 -27 22.8 4.304 5.040 -1.02 +11.9 22.8 18.2/310 134.1 8.1 19/0.36 125 .06 14 07 59.21 -25 15.1 08 01.32 -25 23.5 4.376 5.105 -0.88 +13.0 22.9 17.7/317 133.4 8.1 37/0.35 86 .46 24 07 50.43 -23 05.5 07 52.57 -23 13.3 4.479 5.171 -0.71 +13.5 23.0 16.7/324 130.0 8.4 53/0.36 71 .88 Mar. 6 07 43.33 -20 50.8 07 45.51 -20 58.1 4.612 5.236 -0.53 +13.5 23.1 15.4/331 124.3 9.0 67/0.37 136 .05