C/2025 V1 (Borisov) Orbit by S. Nakano unpublished (2026) Observed in 2nd half of 2025
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) 2025 Nov. 16.5428 0.462683 1.007710 47.5673 91.8726 112.7105 0.200 m1 = 13.0 + 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 , ¡ ¡ ¡ ¡ ¡ ¡ 2025 Dec. 31 18 45.99 -06 49.0 18 48.68 -06 45.6 2.013 1.106 +1.34 -11.9 14.9 23.2/121 16.5 14.6 7/1.31 125 .84 2026 Jan. 10 18 59.37 -08 49.3 19 02.10 -08 44.9 2.212 1.282 +1.14 - 9.5 15.6 19.3/120 14.3 10.9 339/0.90 94 .56 20 19 10.71 -10 24.6 19 13.47 -10 19.5 2.371 1.452 +0.97 - 7.8 16.2 16.3/119 16.2 10.9 309/0.85 28 .01 30 19 20.43 -11 43.0 19 23.21 -11 37.1 2.493 1.618 +0.83 - 6.7 16.7 13.8/119 21.6 12.9 289/0.95 155 .89 Feb. 9 19 28.70 -12 50.2 19 31.49 -12 43.8 2.580 1.778 +0.68 - 6.0 17.1 11.7/121 28.6 15.4 278/1.10 70 .55 19 19 35.52 -13 50.7 19 38.33 -13 43.9 2.636 1.934 +0.53 - 5.7 17.4 9.6/127 36.6 17.7 271/1.24 55 .03 Mar. 1 19 40.79 -14 48.6 19 43.62 -14 41.4 2.662 2.087 +0.36 - 5.8 17.7 7.8/138 45.2 19.7 266/1.36 164 .93 11 19 44.35 -15 46.9 19 47.20 -15 39.5 2.662 2.235 +0.17 - 6.2 17.9 6.6/159 54.4 21.2 264/1.45 42 .54 21 19 45.99 -16 48.7 19 48.85 -16 41.2 2.641 2.380 -0.06 - 6.8 18.1 6.8/187 64.0 22.1 262/1.53 89 .05 31 19 45.40 -17 56.6 19 48.29 -17 49.1 2.602 2.521 -0.31 - 7.6 18.3 8.8/210 74.2 22.4 260/1.57 130 .95 Apr. 10 19 42.29 -19 12.5 19 45.20 -19 05.2 2.553 2.660 -0.59 - 8.5 18.4 12.0/224 85.0 22.0 260/1.57 9 .52 20 19 36.32 -20 37.4 19 39.26 -20 30.5 2.500 2.796 -0.91 - 9.4 18.6 15.8/233 96.4 20.9 260/1.52 131 .09 30 19 27.20 -22 11.1 19 30.18 -22 04.8 2.450 2.930 -1.23 -10.1 18.7 19.8/239 108.5 19.0 261/1.42 91 .97 May 10 19 14.82 -23 50.9 19 17.85 -23 45.4 2.413 3.061 -1.55 -10.2 18.8 23.4/243 121.2 16.4 263/1.24 33 .49 20 18 59.31 -25 31.9 19 02.39 -25 27.5 2.398 3.190 -1.80 - 9.7 18.9 26.1/247 134.5 13.1 267/1.00 179 .15 30 18 41.24 -27 07.3 18 44.36 -27 04.2 2.412 3.316 -1.96 - 8.4 19.1 27.3/251 148.1 9.3 272/0.71 46 .98 June 9 18 21.62 -28 30.0 18 24.78 -28 28.3 2.463 3.441 -1.98 - 6.6 19.3 26.8/254 161.7 5.3 283/0.40 80 .44 19 18 01.76 -29 34.9 18 04.96 -29 34.7 2.554 3.564 -1.87 - 4.7 19.5 24.7/258 172.8 2.0 328/0.15 130 .20 29 17 43.05 -30 20.6 17 46.26 -30 21.7 2.686 3.686 -1.65 - 3.0 19.7 21.5/261 167.9 3.3 57/0.23 3 .99 July 9 17 26.56 -30 49.3 17 29.78 -30 51.6 2.855 3.805 -1.36 - 1.7 19.9 17.6/264 155.8 6.3 76/0.41 128 .37 19 17 12.94 -31 05.2 17 16.16 -31 08.5 3.058 3.924 -1.05 - 0.9 20.2 13.5/266 143.7 8.8 83/0.54 83 .26 29 17 02.42 -31 13.2 17 05.64 -31 17.2 3.288 4.040 -0.75 - 0.5 20.4 9.7/267 132.2 10.7 88/0.61 41 1.00 Aug. 8 16 54.89 -31 17.1 16 58.10 -31 21.7 3.539 4.156 -0.48 - 0.3 20.7 6.2/267 121.2 12.1 91/0.64 173 .29 18 16 50.08 -31 20.0 16 53.29 -31 24.9 3.806 4.270 -0.24 - 0.4 20.9 3.1/263 110.7 12.8 93/0.64 45 .30 28 16 47.66 -31 23.5 16 50.87 -31 28.6 4.082 4.382 -0.04 - 0.5 21.2 0.7/225 100.6 13.1 95/0.61 77 1.00 Sept. 7 16 47.26 -31 28.6 16 50.47 -31 33.7 4.361 4.494 +0.13 - 0.7 21.4 1.8/113 91.0 13.0 97/0.56 145 .21 17 16 48.57 -31 35.7 16 51.78 -31 40.7 4.640 4.604 +0.27 - 0.9 21.6 3.6/105 81.7 12.5 98/0.51 13 .33 27 16 51.28 -31 44.7 16 54.50 -31 49.6 4.914 4.713 +0.39 - 1.1 21.8 5.0/102 72.6 11.7 99/0.46 112 1.00 Oct. 7 16 55.14 -31 55.7 16 58.38 -32 00.2 5.179 4.821 +0.48 - 1.2 22.0 6.2/102 63.8 10.7 101/0.40 109 .15 17 16 59.95 -32 08.2 17 03.19 -32 12.5 5.430 4.929 +0.55 - 1.4 22.2 7.2/101 55.1 9.6 102/0.34 18 .34 27 17 05.48 -32 22.2 17 08.73 -32 26.0 5.666 5.035 +0.61 - 1.5 22.4 7.9/101 46.6 8.2 104/0.28 145 .99 Nov. 6 17 11.58 -32 37.2 17 14.85 -32 40.6 5.882 5.140 +0.65 - 1.6 22.5 8.4/101 38.2 6.9 107/0.22 75 .11 16 17 18.10 -32 53.2 17 21.37 -32 56.1 6.077 5.244 +0.68 - 1.6 22.7 8.7/101 30.0 5.4 111/0.17 46 .36 26 17 24.88 -33 10.0 17 28.16 -33 12.4 6.249 5.347 +0.69 - 1.7 22.8 8.8/102 22.2 4.0 119/0.12 174 .97 Dec. 6 17 31.79 -33 27.5 17 35.09 -33 29.4 6.395 5.450 +0.69 - 1.8 22.9 8.8/102 15.1 2.7 134/0.08 45 .09 16 17 38.71 -33 45.8 17 42.01 -33 47.3 6.516 5.552 +0.68 - 1.9 23.0 8.7/103 10.7 1.9 168/0.06 74 .38 26 17 45.49 -34 05.0 17 48.80 -34 06.0 6.609 5.653 +0.65 - 2.0 23.1 8.3/104 12.3 2.1 211/0.06 145 .94 2027 Jan. 5 17 52.02 -34 25.3 17 55.34 -34 25.7 6.677 5.753 +0.62 - 2.1 23.2 7.9/106 18.5 3.1 235/0.09 17 .07 15 17 58.17 -34 46.8 18 01.51 -34 46.8 6.718 5.852 +0.56 - 2.3 23.3 7.3/108 26.3 4.3 246/0.12 104 .41 25 18 03.81 -35 09.8 18 07.15 -35 09.4 6.734 5.951 +0.50 - 2.4 23.3 6.6/112 34.7 5.4 252/0.16 112 .91 Feb. 4 18 08.81 -35 34.7 18 12.17 -35 33.9 6.727 6.049 +0.42 - 2.7 23.4 5.8/118 43.4 6.4 256/0.19 16 .06 14 18 13.04 -36 01.6 18 16.41 -36 00.5 6.699 6.146 +0.33 - 2.9 23.4 5.0/126 52.4 7.3 258/0.21 137 .46 24 18 16.35 -36 30.7 18 19.74 -36 29.4 6.653 6.243 +0.23 - 3.1 23.5 4.2/139 61.5 8.0 261/0.23 79 .88 Mar. 6 18 18.64 -37 02.2 18 22.04 -37 00.7 6.594 6.339 +0.11 - 3.4 23.5 3.6/158 70.9 8.5 263/0.25 45 .05