C/2021 Y1 (ATLAS) Orbit by S. Nakano NK 4877 (2022) Last obs. 2023 06 16 (W68)
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2023 Apr. 30.90876 2.0325198 1.0015631 245.84768 244.76684 77.18886 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 16 20.77 -23 40.3 16 23.78 -23 47.2 7.317 6.451 +0.55 + 1.1 19.9 7.7/ 82 26.4 3.9 275/0.10 31 .23 2025 Jan. 5 16 26.29 -23 29.6 16 29.30 -23 36.1 7.308 6.530 +0.49 + 1.3 20.0 6.9/ 80 35.3 5.0 276/0.13 99 .28 15 16 31.22 -23 17.2 16 34.23 -23 23.4 7.277 6.609 +0.42 + 1.5 20.0 6.0/ 76 44.4 6.0 277/0.16 123 .99 25 16 35.48 -23 02.9 16 38.48 -23 08.8 7.225 6.688 +0.35 + 1.7 20.0 5.1/ 71 53.6 6.8 277/0.18 4 .22 Feb. 4 16 38.94 -22 46.5 16 41.94 -22 52.1 7.157 6.766 +0.26 + 1.9 20.1 4.0/ 62 63.0 7.5 277/0.20 135 .35 14 16 41.52 -22 27.7 16 44.52 -22 33.2 7.075 6.845 +0.16 + 2.1 20.1 3.1/ 47 72.6 7.9 277/0.22 91 .98 24 16 43.15 -22 06.6 16 46.14 -22 12.0 6.985 6.923 +0.06 + 2.4 20.1 2.5/ 19 82.3 8.1 277/0.23 31 .19 Mar. 6 16 43.75 -21 42.8 16 46.73 -21 48.2 6.890 7.000 -0.05 + 2.6 20.1 2.7/346 92.3 8.1 277/0.23 171 .42 16 16 43.29 -21 16.5 16 46.26 -21 21.9 6.797 7.078 -0.15 + 2.9 20.2 3.6/323 102.4 7.9 277/0.22 59 .97 26 16 41.77 -20 47.5 16 44.74 -20 53.0 6.710 7.155 -0.26 + 3.1 20.2 4.8/311 112.8 7.4 277/0.21 66 .16 Apr. 5 16 39.23 -20 16.0 16 42.18 -20 21.7 6.634 7.232 -0.35 + 3.4 20.2 6.0/304 123.3 6.6 276/0.19 147 .49 15 16 35.75 -19 42.2 16 38.69 -19 48.1 6.576 7.309 -0.43 + 3.6 20.2 7.0/300 134.0 5.7 276/0.17 25 .96 25 16 31.47 -19 06.4 16 34.39 -19 12.6 6.541 7.385 -0.49 + 3.7 20.3 7.9/298 144.8 4.5 274/0.13 105 .11 May 5 16 26.57 -18 29.2 16 29.47 -18 35.7 6.531 7.461 -0.53 + 3.8 20.3 8.4/296 155.6 3.2 272/0.09 109 .54 15 16 21.27 -17 51.3 16 24.16 -17 58.2 6.551 7.537 -0.55 + 3.7 20.4 8.7/295 166.4 1.8 264/0.05 15 .95 25 16 15.83 -17 13.6 16 18.70 -17 20.8 6.603 7.613 -0.54 + 3.6 20.4 8.5/295 175.5 0.6 218/0.02 147 .07 June 4 16 10.48 -16 37.0 16 13.34 -16 44.6 6.687 7.689 -0.50 + 3.4 20.5 8.0/295 170.2 1.3 126/0.04 72 .58 14 16 05.46 -16 02.6 16 08.30 -16 10.5 6.803 7.764 -0.45 + 3.1 20.6 7.2/296 159.8 2.6 114/0.07 51 .93 24 16 00.96 -15 31.0 16 03.79 -15 39.2 6.948 7.839 -0.38 + 2.8 20.7 6.2/297 149.2 3.8 110/0.11 165 .03 July 4 15 57.14 -15 02.9 15 59.96 -15 11.4 7.121 7.914 -0.30 + 2.4 20.7 5.0/298 138.8 4.9 108/0.13 37 .61 14 15 54.10 -14 38.8 15 56.91 -14 47.4 7.316 7.988 -0.22 + 2.0 20.8 3.8/302 128.5 5.7 106/0.15 90 .89 24 15 51.91 -14 18.7 15 54.72 -14 27.5 7.529 8.063 -0.13 + 1.6 20.9 2.5/310 118.4 6.4 105/0.16 128 .01 Aug. 3 15 50.59 -14 02.7 15 53.39 -14 11.6 7.757 8.137 -0.05 + 1.2 21.1 1.4/331 108.6 6.8 104/0.17 11 .64 13 15 50.13 -13 50.5 15 52.92 -13 59.4 7.993 8.211 +0.03 + 0.9 21.2 1.0/ 30 98.9 7.0 103/0.17 128 .84 23 15 50.48 -13 41.7 15 53.27 -13 50.6 8.234 8.284 +0.11 + 0.6 21.3 1.7/ 70 89.4 7.0 102/0.17 92 .00 Sept. 2 15 51.60 -13 36.0 15 54.39 -13 44.8 8.474 8.358 +0.18 + 0.3 21.4 2.7/ 83 80.0 6.8 101/0.16 32 .66 12 15 53.41 -13 32.6 15 56.20 -13 41.3 8.708 8.431 +0.24 + 0.2 21.5 3.5/ 88 70.8 6.5 100/0.14 163 .77 22 15 55.84 -13 31.2 15 58.64 -13 39.7 8.934 8.504 +0.30 0.0 21.6 4.3/ 90 61.7 6.0 98/0.13 60 .00 Oct. 2 15 58.82 -13 31.1 16 01.61 -13 39.5 9.146 8.577 +0.34 - 0.1 21.6 5.0/ 91 52.7 5.3 96/0.11 62 .70 12 16 02.24 -13 31.9 16 05.04 -13 40.0 9.342 8.650 +0.38 - 0.1 21.7 5.5/ 91 43.8 4.6 94/0.10 153 .69 22 16 06.04 -13 32.9 16 08.84 -13 40.8 9.519 8.722 +0.41 - 0.1 21.8 6.0/ 91 35.0 3.8 90/0.08 31 .00 Nov. 1 16 10.13 -13 33.8 16 12.94 -13 41.4 9.673 8.794 +0.43 0.0 21.9 6.3/ 90 26.3 2.9 85/0.06 93 .73 11 16 14.42 -13 34.0 16 17.22 -13 41.3 9.803 8.866 +0.44 + 0.1 21.9 6.4/ 89 18.0 2.0 76/0.04 121 .63 21 16 18.82 -13 33.1 16 21.63 -13 40.2 9.907 8.938 +0.44 + 0.3 22.0 6.5/ 88 10.7 1.2 53/0.02 13 .01 Dec. 1 16 23.25 -13 30.9 16 26.05 -13 37.6 9.985 9.010 +0.44 + 0.4 22.0 6.4/ 86 8.1 0.9 356/0.02 125 .78 11 16 27.61 -13 26.9 16 30.42 -13 33.3 10.035 9.081 +0.42 + 0.6 22.1 6.2/ 84 13.5 1.5 315/0.03 89 .59 21 16 31.82 -13 20.9 16 34.63 -13 27.1 10.060 9.152 +0.40 + 0.8 22.1 5.9/ 82 21.6 2.3 300/0.04 33 .01 31 16 35.79 -13 12.8 16 38.60 -13 18.7 10.058 9.223 +0.36 + 1.1 22.2 5.4/ 79 30.4 3.1 293/0.06 157 .84 2026 Jan. 10 16 39.43 -13 02.3 16 42.24 -13 07.9 10.033 9.294 +0.32 + 1.3 22.2 4.9/ 75 39.4 3.9 289/0.08 60 .56 20 16 42.67 -12 49.3 16 45.47 -12 54.8 9.986 9.365 +0.27 + 1.6 22.2 4.3/ 69 48.6 4.5 286/0.09 62 .01 30 16 45.42 -12 33.9 16 48.21 -12 39.2 9.920 9.435 +0.22 + 1.8 22.2 3.7/ 61 58.0 5.1 283/0.10 157 .89 Feb. 9 16 47.60 -12 16.1 16 50.39 -12 21.2 9.839 9.505 +0.16 + 2.0 22.2 3.0/ 48 67.5 5.5 281/0.11 32 .55 19 16 49.16 -11 56.0 16 51.95 -12 01.0 9.747 9.575 +0.09 + 2.2 22.3 2.6/ 30 77.1 5.8 279/0.12 95 .03 Mar. 1 16 50.04 -11 33.8 16 52.82 -11 38.7 9.649 9.645 +0.02 + 2.4 22.3 2.4/ 6 86.8 5.9 278/0.12 123 .93