C/2019 T4 (ATLAS) Orbit by S. Nakano NK 5105 (2023) Observed in 2nd half of 2025
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2022 June 8.85880 4.2364513 0.9953694 351.12668 199.86143 53.62576 0.200 2026 June 9.0 m1 = 5.0 + 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 19 00.84 +27 14.8 19 02.85 +27 19.2 11.071 10.476 +0.51 + 0.7 17.9 6.9/ 84 50.7 4.2 7/0.07 105 .84 2026 Jan. 10 19 05.97 +27 21.0 19 07.98 +27 25.8 11.144 10.534 +0.50 + 1.3 17.9 6.8/ 79 49.6 4.1 355/0.07 100 .56 20 19 11.02 +27 33.5 19 13.02 +27 38.7 11.202 10.592 +0.49 + 1.9 17.9 6.7/ 73 49.6 4.1 343/0.07 54 .01 30 19 15.88 +27 52.1 19 17.89 +27 57.6 11.245 10.649 +0.46 + 2.4 18.0 6.6/ 68 50.8 4.1 332/0.07 121 .89 Feb. 9 19 20.50 +28 16.3 19 22.50 +28 22.1 11.272 10.707 +0.43 + 3.0 18.0 6.4/ 62 53.0 4.2 321/0.07 84 .55 19 19 24.79 +28 45.5 19 26.78 +28 51.7 11.284 10.764 +0.39 + 3.4 18.0 6.1/ 56 56.1 4.4 310/0.08 64 .03 Mar. 1 19 28.66 +29 19.3 19 30.65 +29 25.7 11.284 10.822 +0.34 + 3.8 18.0 5.8/ 49 60.0 4.5 301/0.08 127 .93 11 19 32.07 +29 56.7 19 34.04 +30 03.3 11.271 10.879 +0.29 + 4.1 18.0 5.5/ 42 64.4 4.7 291/0.08 69 .54 21 19 34.94 +30 37.1 19 36.90 +30 43.9 11.248 10.937 +0.23 + 4.2 18.0 5.1/ 34 69.4 4.9 283/0.09 82 .05 31 19 37.21 +31 19.4 19 39.15 +31 26.3 11.217 10.994 +0.16 + 4.3 18.1 4.8/ 25 74.6 5.0 275/0.09 119 .95 Apr. 10 19 38.85 +32 02.6 19 40.78 +32 09.6 11.180 11.051 +0.10 + 4.3 18.1 4.5/ 16 80.0 5.1 267/0.09 59 .52 20 19 39.81 +32 45.7 19 41.73 +32 52.8 11.140 11.108 +0.03 + 4.2 18.1 4.2/ 4 85.6 5.2 259/0.09 102 .09 30 19 40.09 +33 27.4 19 41.99 +33 34.5 11.100 11.166 -0.04 + 3.9 18.1 4.0/352 91.2 5.2 252/0.09 103 .97 May 10 19 39.69 +34 06.6 19 41.57 +34 13.7 11.061 11.223 -0.11 + 3.5 18.1 3.8/339 96.6 5.1 244/0.09 57 .49 20 19 38.62 +34 42.2 19 40.48 +34 49.2 11.027 11.280 -0.17 + 3.1 18.1 3.7/326 102.0 5.0 235/0.09 118 .15 30 19 36.94 +35 12.9 19 38.78 +35 19.8 10.999 11.337 -0.22 + 2.5 18.1 3.7/312 107.0 4.9 226/0.09 85 .98 June 9 19 34.72 +35 37.6 19 36.55 +35 44.4 10.982 11.393 -0.27 + 1.8 18.1 3.7/299 111.5 4.8 217/0.08 67 .44 19 19 32.06 +35 55.7 19 33.88 +36 02.3 10.975 11.450 -0.30 + 1.0 18.1 3.8/286 115.6 4.6 207/0.08 121 .20 29 19 29.08 +36 06.3 19 30.89 +36 12.6 10.982 11.507 -0.32 + 0.3 18.2 3.8/274 118.8 4.4 196/0.08 69 .99 July 9 19 25.92 +36 09.0 19 27.72 +36 15.2 11.005 11.564 -0.32 - 0.5 18.2 3.9/262 121.2 4.3 184/0.08 85 .37 19 19 22.72 +36 03.9 19 24.52 +36 09.8 11.043 11.621 -0.31 - 1.3 18.2 4.0/251 122.5 4.2 172/0.08 110 .26 29 19 19.64 +35 51.1 19 21.45 +35 56.8 11.097 11.677 -0.28 - 2.0 18.2 4.0/240 122.7 4.2 160/0.07 60 1.00 Aug. 8 19 16.82 +35 31.2 19 18.63 +35 36.7 11.169 11.734 -0.24 - 2.6 18.3 4.0/229 121.7 4.2 148/0.07 106 .29 18 19 14.39 +35 05.0 19 16.21 +35 10.3 11.256 11.790 -0.19 - 3.2 18.3 4.0/217 119.7 4.3 136/0.07 93 .30 28 19 12.44 +34 33.5 19 14.27 +34 38.8 11.360 11.847 -0.14 - 3.6 18.3 3.9/206 116.6 4.4 125/0.08 62 1.00 Sept. 7 19 11.06 +33 58.1 19 12.91 +34 03.3 11.477 11.903 -0.07 - 3.8 18.4 3.9/194 112.7 4.5 115/0.08 121 .21 17 19 10.30 +33 20.0 19 12.17 +33 25.1 11.607 11.959 -0.01 - 4.0 18.4 4.0/182 108.2 4.6 106/0.08 75 .33 27 19 10.19 +32 40.5 19 12.07 +32 45.6 11.748 12.016 +0.06 - 4.0 18.4 4.0/170 103.2 4.7 97/0.08 76 1.00 Oct. 7 19 10.73 +32 00.9 19 12.62 +32 06.0 11.896 12.072 +0.12 - 3.8 18.5 4.1/158 97.8 4.7 88/0.08 120 .15 17 19 11.89 +31 22.4 19 13.81 +31 27.6 12.050 12.128 +0.18 - 3.6 18.5 4.3/148 92.1 4.7 80/0.08 60 .34 27 19 13.66 +30 46.2 19 15.59 +30 51.5 12.207 12.184 +0.23 - 3.3 18.6 4.5/137 86.3 4.7 73/0.08 96 .99 Nov. 6 19 15.96 +30 13.1 19 17.91 +30 18.6 12.363 12.240 +0.28 - 2.9 18.6 4.7/128 80.6 4.6 65/0.07 107 .11 16 19 18.76 +29 44.0 19 20.73 +29 49.7 12.517 12.296 +0.32 - 2.4 18.7 4.9/120 74.9 4.5 57/0.07 53 .36 26 19 21.98 +29 19.6 19 23.96 +29 25.5 12.665 12.352 +0.36 - 1.9 18.7 5.1/112 69.4 4.3 49/0.07 117 .97 Dec. 6 19 25.55 +29 00.3 19 27.53 +29 06.4 12.805 12.408 +0.39 - 1.4 18.7 5.2/105 64.2 4.1 41/0.06 88 .09 16 19 29.39 +28 46.5 19 31.38 +28 52.9 12.934 12.463 +0.40 - 0.8 18.8 5.4/ 98 59.5 3.9 32/0.06 58 .38 26 19 33.42 +28 38.3 19 35.43 +28 45.0 13.050 12.519 +0.42 - 0.2 18.8 5.5/ 92 55.5 3.7 22/0.06 129 .94 2027 Jan. 5 19 37.57 +28 35.9 19 39.58 +28 42.9 13.153 12.575 +0.42 + 0.4 18.8 5.5/ 86 52.3 3.5 11/0.05 70 .07 15 19 41.76 +28 39.2 19 43.77 +28 46.5 13.239 12.630 +0.41 + 0.9 18.9 5.5/ 80 50.0 3.4 360/0.05 73 .41 25 19 45.91 +28 48.1 19 47.92 +28 55.6 13.310 12.686 +0.40 + 1.4 18.9 5.5/ 75 49.0 3.4 348/0.05 126 .91 Feb. 4 19 49.94 +29 02.1 19 51.95 +29 09.9 13.364 12.741 +0.38 + 1.9 18.9 5.4/ 69 49.2 3.4 336/0.05 56 .06 14 19 53.78 +29 21.1 19 55.79 +29 29.1 13.401 12.797 +0.36 + 2.4 18.9 5.2/ 63 50.6 3.4 324/0.05 93 .46 24 19 57.35 +29 44.4 19 59.36 +29 52.6 13.421 12.852 +0.32 + 2.7 19.0 5.0/ 57 53.1 3.5 313/0.05 110 .88 Mar. 6 20 00.61 +30 11.5 20 02.61 +30 19.9 13.427 12.907 +0.29 + 3.0 19.0 4.8/ 50 56.6 3.7 303/0.05 50 .05