A/2025 S2 Orbit by S. Nakano NK 5531 (2026) Observed in 2nd half of 2025
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2026 Jan. 2.41510 1.6862720 0.9733179 502 31.59090 34.47470 96.64239 0.200 2026 June 9.0 m2 = 16.5 + 5 log Delta + 5.0 log r + 0.03 phase 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 , m2 , ¡ ¡ ¡ ¡ ¡ ¡ 2025 Dec. 31 22 34.07 +23 55.2 22 36.46 +24 10.7 1.661 1.687 -0.67 +13.1 19.8 15.9/326 74.3 34.2 55/3.52 62 .84 2026 Jan. 10 22 27.45 +26 06.7 22 29.80 +26 22.1 1.829 1.689 -0.36 +13.6 19.9 14.4/341 66.1 32.2 47/3.05 144 .56 20 22 23.84 +28 22.7 22 26.16 +28 38.0 1.979 1.702 -0.16 +14.5 20.0 14.6/352 59.3 29.8 39/2.65 52 .01 30 22 22.25 +30 47.6 22 24.54 +31 02.8 2.108 1.724 -0.03 +15.7 20.1 15.7/358 54.0 27.5 29/2.32 94 .89 Feb. 9 22 21.93 +33 24.2 22 24.19 +33 39.4 2.214 1.756 +0.04 +17.1 20.2 17.1/ 2 50.3 25.6 17/2.07 122 .55 19 22 22.34 +36 15.2 22 24.57 +36 30.5 2.298 1.796 +0.06 +18.8 20.3 18.8/ 2 48.1 24.2 5/1.89 42 .03 Mar. 1 22 22.98 +39 23.0 22 25.17 +39 38.3 2.359 1.844 +0.03 +20.6 20.4 20.7/ 1 47.7 23.4 353/1.79 116 .93 11 22 23.35 +42 49.5 22 25.50 +43 04.8 2.400 1.899 -0.05 +22.7 20.5 22.7/359 48.8 23.2 341/1.75 104 .54 21 22 22.90 +46 36.5 22 24.98 +46 51.7 2.423 1.960 -0.22 +24.8 20.6 24.9/355 51.3 23.3 329/1.74 51 .05 31 22 20.82 +50 44.9 22 22.81 +51 00.1 2.432 2.027 -0.50 +26.9 20.7 27.3/351 54.7 23.7 318/1.76 123 .95 Apr. 10 22 15.97 +55 14.3 22 17.83 +55 29.3 2.432 2.098 -0.98 +28.7 20.8 29.8/346 58.9 24.1 307/1.79 90 .52 20 22 06.43 +60 02.1 22 08.07 +60 16.8 2.426 2.173 -1.81 +29.8 20.8 32.2/339 63.5 24.4 295/1.82 67 .09 30 21 48.71 +65 00.2 21 49.98 +65 14.3 2.422 2.252 -3.30 +28.9 20.9 34.5/331 68.2 24.5 283/1.83 116 .97 May 10 21 16.36 +69 51.1 21 16.93 +70 03.7 2.425 2.333 -5.93 +24.2 21.0 36.3/318 72.7 24.4 266/1.82 86 .49 20 20 18.26 +73 55.9 20 17.61 +74 05.3 2.440 2.417 -9.31 +11.9 21.1 37.6/299 76.7 24.0 244/1.78 78 .15 30 18 46.37 +76 01.2 18 44.53 +76 04.5 2.471 2.502 -10.04 - 6.9 21.2 38.0/272 79.9 23.5 212/1.72 104 .98 June 9 17 05.63 +74 59.6 17 04.17 +74 55.6 2.524 2.589 -7.01 -22.2 21.3 37.6/243 82.2 22.9 179/1.64 92 .44 19 15 54.30 +71 22.0 15 54.05 +71 13.3 2.599 2.678 -3.95 -29.5 21.4 36.4/221 83.3 22.1 154/1.55 77 .20 29 15 13.94 +66 29.2 15 14.59 +66 18.2 2.697 2.767 -2.10 -31.6 21.5 34.5/206 83.2 21.4 136/1.45 98 .99 July 9 14 52.46 +61 14.3 14 53.63 +61 02.1 2.817 2.857 -1.05 -31.2 21.6 32.3/196 81.9 20.6 123/1.34 102 .37 19 14 41.61 +56 02.9 14 43.10 +55 50.3 2.956 2.948 -0.44 -29.5 21.8 29.8/188 79.6 19.8 112/1.24 67 .26 29 14 37.01 +51 07.9 14 38.70 +50 55.0 3.110 3.039 -0.06 -27.3 21.9 27.3/181 76.5 19.0 103/1.13 103 1.00 Aug. 8 14 36.28 +46 34.9 14 38.10 +46 22.0 3.277 3.130 +0.19 -24.9 22.1 25.0/175 72.8 18.0 96/1.02 102 .29 18 14 38.10 +42 26.0 14 40.02 +42 13.1 3.451 3.222 +0.36 -22.4 22.2 22.8/169 68.6 17.0 89/0.92 60 .30 28 14 41.65 +38 41.4 14 43.64 +38 28.7 3.628 3.314 +0.48 -20.1 22.4 20.9/164 64.1 15.9 82/0.82 115 1.00 Sept. 7 14 46.41 +35 20.4 14 48.45 +35 07.9 3.805 3.406 +0.57 -17.9 22.5 19.2/158 59.5 14.8 75/0.73 91 .21 17 14 52.03 +32 21.5 14 54.11 +32 09.4 3.977 3.497 +0.63 -15.8 22.6 17.7/152 54.9 13.6 68/0.65 60 .33 27 14 58.26 +29 43.6 15 00.38 +29 31.8 4.142 3.589 +0.67 -13.8 22.7 16.4/147 50.5 12.4 60/0.57 128 1.00 Oct. 7 15 04.90 +27 25.1 15 07.04 +27 13.6 4.296 3.680 +0.69 -12.0 22.8 15.2/142 46.5 11.4 51/0.50 73 .15 17 15 11.80 +25 24.9 15 13.97 +25 13.7 4.436 3.771 +0.70 -10.3 22.9 14.1/137 43.2 10.4 41/0.45 70 .34 27 15 18.81 +23 41.8 15 21.00 +23 31.0 4.561 3.862 +0.70 - 8.7 23.0 13.0/131 40.7 9.7 30/0.40 135 .99 Nov. 6 15 25.83 +22 14.9 15 28.03 +22 04.5 4.668 3.953 +0.69 - 7.1 23.1 12.0/126 39.4 9.2 17/0.38 55 .11 16 15 32.72 +21 03.4 15 34.93 +20 53.5 4.756 4.044 +0.67 - 5.6 23.2 10.9/121 39.6 9.0 4/0.36 85 .36 26 15 39.36 +20 06.8 15 41.58 +19 57.2 4.825 4.134 +0.63 - 4.2 23.3 9.8/115 41.2 9.0 352/0.36 126 .97 Dec. 6 15 45.63 +19 24.3 15 47.87 +19 15.1 4.873 4.223 +0.58 - 2.8 23.3 8.7/109 44.2 9.4 340/0.37 44 .09 16 15 51.41 +18 55.6 15 53.65 +18 46.8 4.902 4.313 +0.51 - 1.5 23.4 7.5/102 48.5 9.8 329/0.38 103 .38 26 15 56.55 +18 40.1 15 58.79 +18 31.6 4.911 4.402 +0.44 - 0.3 23.5 6.2/ 92 53.7 10.4 320/0.40 105 .94 2027 Jan. 5 16 00.91 +18 37.2 16 03.15 +18 29.0 4.903 4.490 +0.34 + 0.9 23.5 5.0/ 79 59.8 10.9 312/0.43 47 .07 15 16 04.34 +18 46.3 16 06.57 +18 38.3 4.880 4.579 +0.23 + 2.0 23.6 3.9/ 58 66.6 11.4 304/0.45 123 .41 25 16 06.68 +19 06.5 16 08.90 +18 58.6 4.843 4.667 +0.11 + 3.0 23.6 3.4/ 27 73.9 11.7 297/0.46 81 .91 Feb. 4 16 07.77 +19 36.6 16 09.98 +19 28.8 4.798 4.754 -0.03 + 3.8 23.6 3.9/353 81.6 11.8 291/0.47 63 .06 14 16 07.46 +20 15.1 16 09.66 +20 07.3 4.747 4.841 -0.19 + 4.5 23.7 5.2/330 89.6 11.8 284/0.47 134 .46 24 16 05.62 +20 59.9 16 07.81 +20 52.0 4.696 4.928 -0.35 + 4.8 23.7 6.8/315 97.8 11.5 278/0.47 58 .88 Mar. 6 16 02.17 +21 48.5 16 04.35 +21 40.4 4.649 5.014 -0.51 + 4.9 23.7 8.6/305 106.0 11.0 270/0.45 86 .05