C/2021 S4 (Tsuchinshan) Orbit by S. Nakano NK 4805 (2022) Observed in 2nd half of 2022

Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2024 Jan. 2.10298 6.6900153 0.9593338 72.84663 5.49207 17.47908 0.200 2023 Sep. 13.0 m1 = 8.0 + 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 , ¡ ¡ ¡ ¡ ¡ ¡ 2022 Dec. 27 02 17.43 +27 52.5 02 20.32 +28 06.2 6.485 7.108 -0.02 - 0.8 18.9 0.8/202 126.1 6.4 80/0.19 79 .18 2023 Jan. 6 02 17.19 +27 44.6 02 20.09 +27 58.3 6.598 7.087 +0.08 - 0.5 18.9 1.1/113 116.2 7.2 77/0.21 53 .99 16 02 17.99 +27 40.1 02 20.89 +27 53.8 6.724 7.066 +0.18 0.0 18.9 2.4/ 91 106.5 7.7 74/0.22 165 .41 26 02 19.82 +27 39.7 02 22.72 +27 53.4 6.859 7.046 +0.28 + 0.4 19.0 3.8/ 84 96.9 8.0 72/0.23 43 .23 Feb. 5 02 22.64 +27 43.8 02 25.54 +27 57.3 6.997 7.026 +0.38 + 0.8 19.0 5.0/ 80 87.7 8.1 70/0.22 83 .99 15 02 26.38 +27 52.3 02 29.30 +28 05.7 7.134 7.006 +0.46 + 1.3 19.0 6.2/ 78 78.6 7.9 68/0.22 150 .36 25 02 30.99 +28 05.3 02 33.92 +28 18.4 7.267 6.988 +0.54 + 1.7 19.1 7.3/ 76 69.8 7.6 67/0.21 14 .27 Mar. 7 02 36.36 +28 22.3 02 39.31 +28 35.2 7.392 6.969 +0.61 + 2.0 19.1 8.2/ 75 61.3 7.2 65/0.19 112 1.00 17 02 42.42 +28 43.1 02 45.39 +28 55.7 7.505 6.952 +0.67 + 2.4 19.1 9.1/ 74 53.0 6.6 63/0.17 117 .29 27 02 49.08 +29 07.1 02 52.07 +29 19.4 7.605 6.934 +0.72 + 2.6 19.1 9.8/ 74 44.9 5.8 60/0.15 24 .30 Apr. 6 02 56.26 +29 33.9 02 59.26 +29 45.8 7.689 6.918 +0.76 + 2.9 19.1 10.3/ 73 37.1 5.0 56/0.13 140 1.00 16 03 03.86 +30 03.1 03 06.89 +30 14.6 7.755 6.902 +0.80 + 3.1 19.2 10.8/ 73 29.7 4.1 51/0.10 84 .22 26 03 11.82 +30 34.1 03 14.87 +30 45.2 7.803 6.886 +0.83 + 3.2 19.2 11.1/ 73 22.8 3.2 43/0.08 50 .32 May 6 03 20.05 +31 06.6 03 23.13 +31 17.2 7.830 6.871 +0.85 + 3.3 19.2 11.3/ 72 16.8 2.4 29/0.06 166 1.00 16 03 28.47 +31 40.1 03 31.58 +31 50.3 7.838 6.857 +0.86 + 3.4 19.2 11.4/ 72 12.9 1.9 3/0.05 51 .15 26 03 37.01 +32 14.4 03 40.15 +32 24.1 7.825 6.843 +0.86 + 3.4 19.1 11.4/ 72 13.1 1.9 329/0.05 75 .35 June 5 03 45.60 +32 49.2 03 48.76 +32 58.3 7.793 6.829 +0.86 + 3.4 19.1 11.3/ 72 17.1 2.5 304/0.06 156 .99 15 03 54.14 +33 24.2 03 57.34 +33 32.8 7.740 6.817 +0.85 + 3.5 19.1 11.1/ 71 23.0 3.3 291/0.08 22 .10 25 04 02.57 +33 59.3 04 05.79 +34 07.4 7.669 6.804 +0.82 + 3.5 19.1 10.8/ 71 29.6 4.2 283/0.11 101 .37 July 5 04 10.79 +34 34.4 04 14.03 +34 42.0 7.580 6.793 +0.79 + 3.5 19.1 10.4/ 70 36.7 5.1 278/0.13 124 .96 15 04 18.70 +35 09.5 04 21.98 +35 16.5 7.475 6.782 +0.75 + 3.4 19.0 9.8/ 69 44.1 6.0 275/0.16 15 .07 25 04 26.22 +35 44.5 04 29.52 +35 51.0 7.355 6.772 +0.70 + 3.4 19.0 9.2/ 68 51.6 6.8 272/0.18 128 .41 Aug. 4 04 33.24 +36 19.3 04 36.56 +36 25.4 7.223 6.762 +0.64 + 3.4 18.9 8.5/ 66 59.3 7.4 270/0.20 91 .92 14 04 39.64 +36 54.1 04 42.99 +36 59.7 7.080 6.753 +0.57 + 3.4 18.9 7.6/ 63 67.3 8.0 268/0.22 41 .05 24 04 45.32 +37 28.7 04 48.69 +37 34.0 6.928 6.744 +0.49 + 3.4 18.8 6.7/ 59 75.4 8.3 267/0.23 156 .46 Sept. 3 04 50.14 +38 03.2 04 53.54 +38 08.1 6.773 6.736 +0.39 + 3.4 18.8 5.7/ 53 83.7 8.6 265/0.24 57 .88 13 04 54.02 +38 37.2 04 57.43 +38 41.8 6.615 6.729 +0.28 + 3.3 18.7 4.7/ 45 92.2 8.6 263/0.25 69 .04 23 04 56.82 +39 10.5 05 00.26 +39 15.0 6.459 6.722 +0.17 + 3.2 18.7 3.7/ 31 100.9 8.4 261/0.25 162 .52 Oct. 3 04 58.47 +39 42.7 05 01.92 +39 47.0 6.310 6.716 +0.05 + 3.0 18.6 3.1/ 10 109.9 8.1 258/0.25 25 .84 13 04 58.91 +40 12.9 05 02.39 +40 17.2 6.170 6.711 -0.08 + 2.7 18.6 2.9/343 119.0 7.5 254/0.23 100 .03 23 04 58.14 +40 40.3 05 01.63 +40 44.6 6.044 6.706 -0.19 + 2.4 18.5 3.2/318 128.2 6.7 249/0.21 128 .60 Nov. 2 04 56.22 +41 03.8 04 59.72 +41 08.3 5.937 6.702 -0.29 + 1.9 18.5 3.8/300 137.4 5.7 243/0.19 18 .81 12 04 53.28 +41 22.4 04 56.78 +41 27.0 5.852 6.698 -0.37 + 1.3 18.4 4.4/287 146.3 4.7 233/0.16 132 .02 22 04 49.54 +41 35.0 04 53.04 +41 40.0 5.792 6.695 -0.42 + 0.6 18.4 4.8/278 154.2 3.7 218/0.12 89 .67 Dec. 2 04 45.30 +41 41.1 04 48.80 +41 46.4 5.760 6.693 -0.44 0.0 18.4 4.9/270 159.7 2.9 193/0.10 49 .79 12 04 40.90 +41 40.5 04 44.40 +41 46.1 5.756 6.691 -0.42 - 0.7 18.4 4.7/262 160.3 2.8 160/0.10 162 .01 22 04 36.73 +41 33.6 04 40.22 +41 39.5 5.782 6.690 -0.36 - 1.2 18.4 4.2/254 155.6 3.5 132/0.12 49 .74 2024 Jan. 1 04 33.12 +41 21.4 04 36.60 +41 27.5 5.836 6.690 -0.28 - 1.6 18.4 3.5/243 148.0 4.5 115/0.15 81 .78 11 04 30.37 +41 05.2 04 33.83 +41 11.4 5.915 6.690 -0.17 - 1.9 18.5 2.7/226 139.1 5.5 105/0.18 147 .01 21 04 28.70 +40 46.5 04 32.15 +40 52.8 6.018 6.691 -0.05 - 2.0 18.5 2.0/195 129.8 6.5 97/0.21 17 .79 31 04 28.24 +40 26.8 04 31.68 +40 33.2 6.140 6.692 +0.08 - 1.9 18.5 2.1/155 120.4 7.3 92/0.23 113 .77 Feb. 10 04 29.05 +40 07.5 04 32.48 +40 13.8 6.277 6.695 +0.21 - 1.8 18.6 3.0/127 111.0 7.9 88/0.24 112 .00 20 04 31.12 +39 49.5 04 34.55 +39 55.7 6.424 6.697 +0.33 - 1.6 18.6 4.1/113 101.8 8.3 85/0.25 30 .82 Mar. 1 04 34.42 +39 33.4 04 37.84 +39 39.4 6.578 6.701 +0.44 - 1.4 18.7 5.3/105 92.9 8.5 82/0.25 144 .75 11 04 38.84 +39 19.7 04 42.26 +39 25.4 6.733 6.705 +0.55 - 1.2 18.8 6.4/100 84.1 8.5 80/0.24 76 .01 21 04 44.29 +39 08.5 04 47.71 +39 13.8 6.887 6.709 +0.64 - 0.9 18.8 7.5/ 97 75.6 8.3 78/0.23 59 .84 31 04 50.66 +38 59.6 04 54.08 +39 04.4 7.036 6.715 +0.72 - 0.7 18.9 8.4/ 94 67.3 7.9 76/0.22 168 .72

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