C/2025 Q1 (ATLAS) Orbit by S. Nakano CBET 5599 (2025) Observed in 2nd half of 2025
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2024 July 11.92252 10.0994153 0.9925739 280.23233 326.94037 66.16476 0.200 2026 June 9.0 m1 = 6.5 + 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 20 45.19 -66 41.2 20 49.67 -66 30.1 11.137 10.504 +0.87 + 4.8 19.9 7.2/ 49 48.0 4.0 139/0.07 113 .84 2026 Jan. 10 20 54.04 -65 53.4 20 58.38 -65 41.8 11.175 10.519 +0.87 + 4.4 19.9 7.0/ 52 46.3 3.9 149/0.07 97 .56 20 21 02.87 -65 09.7 21 07.09 -64 57.7 11.196 10.534 +0.86 + 4.0 19.9 6.8/ 55 45.8 3.8 160/0.07 46 .01 30 21 11.58 -64 30.6 21 15.69 -64 18.1 11.200 10.549 +0.84 + 3.5 19.9 6.5/ 59 46.7 3.9 171/0.07 133 .89 Feb. 9 21 20.06 -63 56.3 21 24.07 -63 43.4 11.187 10.564 +0.81 + 3.0 19.9 6.2/ 62 48.9 4.0 182/0.07 76 .55 19 21 28.23 -63 27.0 21 32.14 -63 13.8 11.158 10.580 +0.77 + 2.4 19.9 5.7/ 66 52.2 4.2 191/0.07 62 .03 Mar. 1 21 35.97 -63 03.2 21 39.80 -62 49.6 11.113 10.596 +0.72 + 1.9 19.9 5.3/ 70 56.3 4.5 200/0.08 137 .93 11 21 43.22 -62 44.9 21 46.97 -62 31.0 11.055 10.612 +0.66 + 1.3 19.9 4.7/ 75 61.2 4.7 208/0.08 58 .54 21 21 49.86 -62 32.4 21 53.55 -62 18.2 10.983 10.629 +0.59 + 0.7 19.9 4.2/ 81 66.7 4.9 215/0.09 87 .05 31 21 55.81 -62 25.6 21 59.45 -62 11.3 10.902 10.646 +0.51 + 0.1 19.9 3.6/ 89 72.6 5.1 221/0.09 122 .95 Apr. 10 22 00.97 -62 24.6 22 04.57 -62 10.1 10.813 10.663 +0.42 - 0.4 19.9 3.0/ 99 78.7 5.3 228/0.10 45 .52 20 22 05.23 -62 29.2 22 08.80 -62 14.5 10.719 10.680 +0.32 - 1.0 19.9 2.5/113 85.0 5.4 234/0.10 112 .09 30 22 08.49 -62 38.9 22 12.04 -62 24.1 10.623 10.697 +0.22 - 1.4 19.9 2.1/134 91.5 5.4 240/0.10 99 .97 May 10 22 10.65 -62 53.3 22 14.20 -62 38.4 10.528 10.715 +0.10 - 1.8 19.9 1.9/160 98.0 5.4 247/0.10 47 .49 20 22 11.61 -63 11.5 22 15.15 -62 56.6 10.437 10.733 -0.03 - 2.1 19.8 2.1/186 104.3 5.2 254/0.10 132 .15 30 22 11.26 -63 32.4 22 14.82 -63 17.5 10.353 10.751 -0.17 - 2.2 19.8 2.5/206 110.5 5.1 262/0.10 75 .98 June 9 22 09.54 -63 54.8 22 13.14 -63 40.0 10.280 10.769 -0.31 - 2.2 19.8 3.0/222 116.3 4.8 271/0.09 65 .44 19 22 06.43 -64 17.1 22 10.07 -64 02.4 10.220 10.787 -0.44 - 2.1 19.8 3.5/234 121.6 4.6 282/0.09 131 .20 29 22 01.95 -64 37.6 22 05.65 -64 23.0 10.175 10.806 -0.57 - 1.7 19.8 4.0/244 126.2 4.4 293/0.08 55 .99 July 9 21 56.22 -64 54.4 21 59.98 -64 40.0 10.148 10.825 -0.67 - 1.2 19.8 4.5/254 129.6 4.1 306/0.08 92 .37 19 21 49.41 -65 05.8 21 53.25 -64 51.7 10.141 10.844 -0.75 - 0.5 19.8 4.8/263 131.8 4.0 321/0.08 111 .26 29 21 41.83 -65 10.3 21 45.73 -64 56.4 10.154 10.864 -0.79 + 0.3 19.8 5.1/273 132.3 4.0 336/0.08 45 1.00 Aug. 8 21 33.82 -65 06.7 21 37.79 -64 53.2 10.189 10.883 -0.80 + 1.2 19.8 5.2/282 131.2 4.0 351/0.08 120 .29 18 21 25.79 -64 54.4 21 29.81 -64 41.2 10.244 10.903 -0.76 + 2.1 19.9 5.3/292 128.5 4.2 6/0.08 86 .30 28 21 18.15 -64 33.2 21 22.21 -64 20.4 10.320 10.923 -0.69 + 2.9 19.9 5.4/302 124.5 4.4 19/0.08 55 1.00 Sept. 7 21 11.27 -64 03.6 21 15.34 -63 51.2 10.414 10.943 -0.59 + 3.7 19.9 5.4/313 119.4 4.6 31/0.09 138 .21 17 21 05.41 -63 26.5 21 09.49 -63 14.3 10.525 10.964 -0.46 + 4.3 19.9 5.4/323 113.5 4.8 41/0.09 61 .33 27 21 00.78 -62 43.0 21 04.84 -62 31.0 10.649 10.985 -0.33 + 4.8 20.0 5.4/334 107.0 5.0 50/0.09 78 1.00 Oct. 7 20 57.46 -61 54.4 21 01.49 -61 42.6 10.785 11.005 -0.20 + 5.2 20.0 5.4/344 100.2 5.1 58/0.09 129 .15 17 20 55.47 -61 02.0 20 59.46 -60 50.3 10.928 11.027 -0.08 + 5.5 20.0 5.5/354 93.1 5.2 65/0.09 43 .34 27 20 54.76 -60 07.1 20 58.70 -59 55.5 11.076 11.048 +0.04 + 5.6 20.1 5.6/ 3 85.8 5.1 72/0.09 106 .99 Nov. 6 20 55.23 -59 11.0 20 59.13 -58 59.3 11.223 11.069 +0.15 + 5.7 20.1 5.8/ 12 78.5 5.0 79/0.09 106 .11 16 20 56.78 -58 14.5 21 00.62 -58 02.7 11.368 11.091 +0.24 + 5.6 20.1 5.9/ 19 71.3 4.8 85/0.08 38 .36 26 20 59.26 -57 18.5 21 03.04 -57 06.6 11.506 11.113 +0.32 + 5.5 20.2 6.1/ 26 64.2 4.6 91/0.08 132 .97 Dec. 6 21 02.53 -56 23.8 21 06.25 -56 11.7 11.635 11.135 +0.39 + 5.3 20.2 6.2/ 32 57.4 4.3 98/0.07 80 .09 16 21 06.46 -55 30.9 21 10.12 -55 18.6 11.750 11.157 +0.44 + 5.1 20.2 6.3/ 37 51.0 3.9 106/0.07 52 .38 26 21 10.92 -54 40.3 21 14.52 -54 27.9 11.850 11.179 +0.48 + 4.8 20.3 6.4/ 42 45.3 3.6 116/0.06 145 .94 2027 Jan. 5 21 15.76 -53 52.6 21 19.31 -53 39.9 11.932 11.202 +0.51 + 4.5 20.3 6.4/ 46 40.5 3.3 127/0.05 56 .07 15 21 20.89 -53 08.0 21 24.39 -52 55.1 11.995 11.225 +0.52 + 4.1 20.3 6.3/ 50 37.0 3.0 139/0.05 75 .41 25 21 26.17 -52 27.0 21 29.62 -52 13.8 12.037 11.248 +0.53 + 3.7 20.3 6.2/ 53 35.3 2.9 154/0.05 132 .91 Feb. 4 21 31.51 -51 49.8 21 34.92 -51 36.4 12.059 11.271 +0.53 + 3.3 20.3 5.9/ 56 35.5 2.9 169/0.05 38 .06 14 21 36.81 -51 16.7 21 40.17 -51 03.1 12.059 11.295 +0.51 + 2.9 20.3 5.6/ 60 37.8 3.1 183/0.05 103 .46 24 21 41.96 -50 48.0 21 45.29 -50 34.1 12.038 11.318 +0.49 + 2.4 20.3 5.3/ 63 41.7 3.3 195/0.06 108 .88 Mar. 6 21 46.88 -50 23.8 21 50.17 -50 09.7 11.998 11.342 +0.46 + 2.0 20.3 4.8/ 66 46.8 3.7 205/0.06 35 .05