C/2021 T4 (Lemmon) Orbit by S. Nakano NK 5053 (2023) Observed in 1st half of 2025
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2023 July 31.52449 1.4816686 0.9997292 329.77642 257.89019 160.77820 0.200 2025 May 5.0 m1 = 7.5 + 5 log Delta + 10.0 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 , ¡ ¡ ¡ ¡ ¡ ¡ 2024 Dec. 26 12 23.67 +19 08.5 12 26.19 +18 51.9 5.743 5.924 -0.27 + 5.8 19.0 7.0/327 95.8 9.5 293/0.32 45 .23 2025 Jan. 5 12 20.95 +20 06.8 12 23.48 +19 50.2 5.660 6.010 -0.40 + 6.5 19.1 8.7/319 106.3 9.0 289/0.31 159 .28 15 12 16.90 +21 12.3 12 19.43 +20 55.6 5.588 6.096 -0.54 + 7.0 19.1 10.3/313 116.9 8.3 284/0.29 50 .99 25 12 11.52 +22 22.8 12 14.06 +22 06.1 5.532 6.182 -0.66 + 7.3 19.1 11.7/309 127.5 7.3 278/0.25 79 .22 Feb. 4 12 04.87 +23 35.6 12 07.42 +23 18.9 5.501 6.267 -0.77 + 7.2 19.2 12.8/304 137.9 6.1 269/0.21 137 .35 14 11 57.12 +24 47.3 11 59.69 +24 30.6 5.498 6.351 -0.86 + 6.7 19.2 13.4/300 147.3 4.8 256/0.17 22 .98 24 11 48.54 +25 54.5 11 51.13 +25 37.8 5.527 6.436 -0.90 + 6.0 19.3 13.6/297 154.6 3.8 234/0.13 116 .19 Mar. 6 11 39.47 +26 54.0 11 42.08 +26 37.3 5.592 6.520 -0.91 + 4.9 19.4 13.2/293 157.5 3.3 204/0.12 96 .42 16 11 30.31 +27 43.2 11 32.94 +27 26.6 5.693 6.603 -0.88 + 3.8 19.5 12.3/288 154.3 3.7 174/0.13 39 .97 26 11 21.46 +28 20.8 11 24.12 +28 04.3 5.827 6.686 -0.82 + 2.6 19.6 11.1/284 147.1 4.7 154/0.15 151 .16 Apr. 5 11 13.27 +28 46.3 11 15.95 +28 29.9 5.993 6.769 -0.72 + 1.4 19.7 9.6/279 138.0 5.7 141/0.18 55 .49 15 11 06.04 +29 00.1 11 08.74 +28 43.9 6.185 6.852 -0.61 + 0.4 19.8 8.0/273 128.3 6.6 133/0.21 73 .96 25 10 59.93 +29 03.6 11 02.65 +28 47.5 6.398 6.934 -0.49 - 0.5 19.9 6.4/266 118.4 7.3 126/0.22 152 .11 May 5 10 55.06 +28 58.2 10 57.79 +28 42.1 6.628 7.015 -0.36 - 1.3 20.1 4.9/255 108.6 7.8 121/0.23 23 .54 15 10 51.42 +28 45.6 10 54.16 +28 29.6 6.869 7.097 -0.24 - 1.8 20.2 3.7/241 99.0 8.1 117/0.23 107 .95 25 10 48.98 +28 27.3 10 51.72 +28 11.4 7.114 7.178 -0.13 - 2.2 20.3 2.9/218 89.5 8.1 114/0.22 117 .07 June 4 10 47.65 +28 04.8 10 50.39 +27 48.9 7.359 7.258 -0.03 - 2.5 20.4 2.6/190 80.4 7.9 110/0.21 27 .58 14 10 47.31 +27 39.3 10 50.05 +27 23.4 7.600 7.339 +0.05 - 2.7 20.6 2.8/166 71.4 7.5 107/0.19 139 .93 24 10 47.84 +27 11.9 10 50.58 +26 55.9 7.831 7.419 +0.13 - 2.9 20.7 3.3/149 62.6 7.0 104/0.17 80 .03 July 4 10 49.13 +26 43.3 10 51.85 +26 27.4 8.049 7.498 +0.19 - 2.9 20.8 3.9/138 54.1 6.3 100/0.15 54 .61 14 10 51.04 +26 14.5 10 53.76 +25 58.5 8.250 7.578 +0.24 - 2.9 20.9 4.3/131 45.9 5.5 96/0.13 164 .89 24 10 53.46 +25 46.1 10 56.18 +25 30.0 8.433 7.657 +0.28 - 2.8 21.0 4.7/126 37.9 4.7 90/0.11 46 .01 Aug. 3 10 56.29 +25 18.6 10 59.00 +25 02.5 8.594 7.736 +0.31 - 2.6 21.1 5.0/121 30.4 3.8 82/0.09 82 .64 13 10 59.42 +24 52.6 11 02.11 +24 36.4 8.731 7.814 +0.33 - 2.4 21.1 5.1/118 23.7 3.0 70/0.07 145 .84 23 11 02.74 +24 28.6 11 05.43 +24 12.4 8.844 7.892 +0.34 - 2.1 21.2 5.2/114 18.7 2.4 50/0.05 19 .00 Sept. 2 11 06.17 +24 07.2 11 08.85 +23 51.0 8.930 7.970 +0.34 - 1.8 21.3 5.1/111 16.9 2.1 21/0.05 111 .66 12 11 09.61 +23 48.9 11 12.28 +23 32.6 8.990 8.048 +0.34 - 1.5 21.3 4.9/108 19.3 2.4 354/0.05 111 .77 22 11 12.98 +23 34.1 11 15.64 +23 17.7 9.025 8.125 +0.32 - 1.1 21.4 4.5/104 24.9 3.0 335/0.06 27 .00 Oct. 2 11 16.17 +23 23.4 11 18.82 +23 07.0 9.034 8.202 +0.29 - 0.6 21.4 4.1/ 99 32.0 3.7 324/0.08 139 .70 12 11 19.11 +23 17.2 11 21.75 +23 00.8 9.019 8.279 +0.26 - 0.1 21.5 3.6/ 92 40.0 4.4 316/0.10 75 .69 22 11 21.69 +23 16.1 11 24.33 +22 59.6 8.981 8.355 +0.21 + 0.4 21.5 3.0/ 82 48.5 5.1 311/0.11 55 .00 Nov. 1 11 23.83 +23 20.4 11 26.46 +23 03.9 8.925 8.431 +0.16 + 1.0 21.5 2.4/ 65 57.4 5.7 306/0.13 162 .73 11 11 25.43 +23 30.5 11 28.06 +23 13.9 8.852 8.507 +0.10 + 1.6 21.5 2.1/ 40 66.6 6.1 303/0.14 42 .63 21 11 26.40 +23 46.5 11 29.03 +23 29.9 8.768 8.583 +0.03 + 2.2 21.6 2.2/ 9 76.0 6.4 299/0.14 85 .01 Dec. 1 11 26.65 +24 08.5 11 29.28 +23 52.0 8.676 8.658 -0.05 + 2.8 21.6 2.9/345 85.7 6.5 296/0.15 144 .78 11 11 26.11 +24 36.3 11 28.75 +24 19.7 8.582 8.733 -0.14 + 3.3 21.6 3.8/330 95.6 6.4 293/0.15 19 .59 21 11 24.73 +25 09.4 11 27.37 +24 52.8 8.492 8.808 -0.23 + 3.8 21.6 4.9/321 105.6 6.2 289/0.14 117 .01 31 11 22.46 +25 46.9 11 25.11 +25 30.4 8.410 8.883 -0.31 + 4.1 21.6 5.9/314 115.8 5.7 285/0.13 107 .84 2026 Jan. 10 11 19.32 +26 27.8 11 21.97 +26 11.4 8.344 8.957 -0.40 + 4.3 21.6 6.8/309 126.0 5.1 279/0.12 38 .56 20 11 15.33 +27 10.5 11 18.00 +26 54.1 8.298 9.031 -0.47 + 4.3 21.7 7.6/305 136.0 4.3 272/0.10 149 .01 30 11 10.60 +27 53.4 11 13.29 +27 37.0 8.277 9.105 -0.53 + 4.1 21.7 8.2/301 145.4 3.5 262/0.08 67 .89 Feb. 9 11 05.27 +28 34.5 11 07.97 +28 18.2 8.285 9.178 -0.57 + 3.8 21.7 8.4/297 153.5 2.8 246/0.07 71 .55 19 10 59.51 +29 12.2 11 02.23 +28 56.0 8.325 9.252 -0.59 + 3.3 21.8 8.4/293 158.5 2.2 220/0.05 155 .03 Mar. 1 10 53.55 +29 44.8 10 56.29 +29 28.8 8.398 9.325 -0.59 + 2.7 21.8 8.2/289 158.2 2.3 188/0.05 30 .93