P/2023 S1 (P21Kaye) Orbit by S. Nakano NK 5298 (2024) Observed in 1st half of 2025
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2025 Feb. 24.18032 2.6197023 0.3184678 7.54 180.30574 317.29072 9.15775 0.200 2025 May 5.0 m1 = 9.5 + 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 09 16.32 +19 35.2 09 19.14 +19 22.6 1.830 2.644 -0.35 - 1.3 15.0 5.1/256 138.0 14.4 284/1.41 82 .23 2025 Jan. 5 09 12.82 +19 22.4 09 15.64 +19 09.9 1.745 2.637 -0.59 - 0.8 14.9 8.4/265 148.9 11.1 282/1.13 147 .28 15 09 06.92 +19 14.4 09 09.74 +19 02.1 1.683 2.631 -0.76 - 0.6 14.8 10.9/267 160.4 7.2 280/0.76 7 .99 25 08 59.27 +19 08.2 09 02.10 +18 56.4 1.647 2.626 -0.84 - 0.7 14.8 12.0/267 172.2 2.9 272/0.32 117 .22 Feb. 4 08 50.83 +19 00.9 08 53.67 +18 49.5 1.639 2.622 -0.81 - 1.1 14.8 11.5/265 175.3 1.7 122/0.19 103 .35 14 08 42.76 +18 49.7 08 45.61 +18 38.7 1.658 2.620 -0.66 - 1.6 14.8 9.6/260 163.6 6.1 107/0.66 33 .98 24 08 36.11 +18 33.0 08 38.96 +18 22.4 1.704 2.620 -0.44 - 2.2 14.8 6.7/251 152.1 10.2 105/1.07 155 .19 Mar. 6 08 31.68 +18 10.4 08 34.52 +18 00.1 1.773 2.620 -0.18 - 2.8 14.9 3.8/222 141.1 13.8 104/1.38 60 .42 16 08 29.89 +17 41.9 08 32.73 +17 31.7 1.862 2.622 +0.09 - 3.4 15.0 3.6/159 130.8 16.7 103/1.60 68 .97 26 08 30.80 +17 07.9 08 33.64 +16 57.6 1.966 2.626 +0.35 - 4.0 15.2 6.4/128 121.2 19.0 103/1.73 167 .16 Apr. 5 08 34.31 +16 28.5 08 37.12 +16 18.0 2.082 2.631 +0.58 - 4.5 15.3 9.5/118 112.3 20.6 104/1.78 25 .49 15 08 40.11 +15 43.5 08 42.91 +15 32.7 2.207 2.637 +0.78 - 5.1 15.4 12.3/114 104.1 21.7 104/1.77 97 .96 25 08 47.88 +14 53.0 08 50.66 +14 41.8 2.337 2.644 +0.94 - 5.7 15.6 14.8/112 96.3 22.2 105/1.72 136 .11 May 5 08 57.31 +13 56.8 09 00.06 +13 45.0 2.470 2.653 +1.07 - 6.3 15.7 16.9/111 89.1 22.3 106/1.64 9 .54 15 09 08.07 +12 54.7 09 10.80 +12 42.4 2.604 2.663 +1.18 - 6.8 15.8 18.6/111 82.2 22.1 108/1.54 123 .95 25 09 19.90 +11 46.8 09 22.61 +11 33.9 2.737 2.674 +1.27 - 7.4 16.0 20.1/111 75.7 21.5 109/1.44 106 .07 June 4 09 32.60 +10 33.1 09 35.28 +10 19.7 2.868 2.686 +1.33 - 8.0 16.1 21.3/112 69.5 20.7 110/1.33 30 .58 14 09 45.95 +09 13.8 09 48.61 +08 59.9 2.996 2.700 +1.38 - 8.5 16.2 22.2/112 63.5 19.7 112/1.21 146 .93 24 09 59.81 +07 49.4 10 02.44 +07 34.9 3.118 2.715 +1.42 - 9.0 16.3 23.0/113 57.7 18.4 113/1.10 78 .03 July 4 10 14.06 +06 20.0 10 16.68 +06 05.0 3.236 2.730 +1.45 - 9.4 16.4 23.6/113 52.0 17.1 114/0.98 51 .61 14 10 28.60 +04 46.3 10 31.20 +04 30.9 3.347 2.747 +1.47 - 9.8 16.5 24.1/114 46.5 15.6 116/0.87 170 .89 24 10 43.35 +03 08.8 10 45.93 +02 53.0 3.450 2.765 +1.49 -10.1 16.6 24.5/114 41.0 13.9 118/0.76 52 .01 Aug. 3 10 58.26 +01 28.0 11 00.83 +01 11.8 3.546 2.784 +1.50 -10.4 16.7 24.8/115 35.6 12.3 119/0.65 70 .64 13 11 13.27 -00 15.5 11 15.83 -00 31.9 3.632 2.804 +1.51 -10.6 16.8 25.0/115 30.2 10.5 121/0.54 162 .84 23 11 28.35 -02 01.0 11 30.91 -02 17.6 3.709 2.824 +1.51 -10.7 16.9 25.1/115 24.9 8.7 124/0.44 28 .00 Sept. 2 11 43.48 -03 47.9 11 46.04 -04 04.6 3.776 2.846 +1.51 -10.8 16.9 25.1/116 19.6 6.8 128/0.34 90 .66 12 11 58.62 -05 35.6 12 01.18 -05 52.3 3.832 2.868 +1.51 -10.8 17.0 25.0/116 14.4 5.0 135/0.25 136 .77 22 12 13.76 -07 23.3 12 16.33 -07 40.0 3.876 2.891 +1.51 -10.7 17.1 24.9/116 9.6 3.3 148/0.16 7 .00 Oct. 2 12 28.87 -09 10.6 12 31.46 -09 27.1 3.908 2.915 +1.51 -10.6 17.1 24.6/116 6.0 2.1 181/0.10 110 .70 12 12 43.93 -10 56.6 12 46.53 -11 13.0 3.928 2.939 +1.50 -10.4 17.2 24.3/116 6.7 2.3 235/0.11 110 .69 22 12 58.90 -12 40.9 13 01.53 -12 57.0 3.935 2.964 +1.49 -10.2 17.2 23.9/116 11.0 3.7 261/0.18 15 .00 Nov. 1 13 13.75 -14 22.9 13 16.41 -14 38.7 3.928 2.989 +1.47 - 9.9 17.2 23.4/115 16.4 5.4 271/0.26 133 .73 11 13 28.42 -16 01.9 13 31.11 -16 17.4 3.908 3.015 +1.45 - 9.5 17.3 22.8/115 22.3 7.1 276/0.35 84 .63 21 13 42.87 -17 37.6 13 45.58 -17 52.6 3.875 3.042 +1.42 - 9.1 17.3 22.1/115 28.4 8.9 279/0.43 35 .01 Dec. 1 13 56.99 -19 09.4 13 59.75 -19 24.0 3.828 3.069 +1.38 - 8.7 17.3 21.2/115 34.7 10.5 280/0.52 158 .78 11 14 10.72 -20 37.0 14 13.51 -20 51.1 3.769 3.096 +1.33 - 8.3 17.3 20.2/115 41.2 12.1 281/0.61 60 .59 21 14 23.93 -22 00.2 14 26.76 -22 13.6 3.697 3.124 +1.26 - 7.8 17.3 19.1/115 47.9 13.5 282/0.69 57 .01 31 14 36.49 -23 18.5 14 39.36 -23 31.4 3.614 3.152 +1.18 - 7.3 17.3 17.7/115 54.8 14.8 283/0.77 173 .84 2026 Jan. 10 14 48.24 -24 32.0 14 51.15 -24 44.3 3.521 3.180 +1.08 - 6.8 17.3 16.1/115 62.0 15.8 283/0.84 36 .56 20 14 59.00 -25 40.5 15 01.95 -25 52.3 3.419 3.208 +0.96 - 6.3 17.2 14.3/117 69.4 16.7 283/0.91 82 .01 30 15 08.57 -26 43.9 15 11.55 -26 55.2 3.311 3.237 +0.82 - 5.8 17.2 12.3/118 77.1 17.3 284/0.97 142 .89 Feb. 9 15 16.72 -27 42.1 15 19.72 -27 52.9 3.198 3.266 +0.65 - 5.2 17.2 10.1/122 85.1 17.5 284/1.02 12 .55 19 15 23.21 -28 34.9 15 26.24 -28 45.3 3.083 3.295 +0.46 - 4.7 17.1 7.6/128 93.5 17.4 285/1.05 112 .03 Mar. 1 15 27.80 -29 21.7 15 30.86 -29 32.0 2.970 3.324 +0.25 - 4.0 17.1 5.2/141 102.2 16.9 286/1.06 109 .93