C/2025 J1 (Borisov) Orbit by S. Nakano NK 5525 (2026) Observed in 1st half of 2026
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2026 June 11.74956 3.5803741 0.9979951 166.61577 273.98160 95.43418 0.200 2026 June 9.0 m1 = 9.5 + 5 log Delta + 7.5 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 07 52.15 +79 47.3 08 00.09 +79 39.2 3.248 3.870 -7.90 - 8.5 16.5 24.1/259 122.8 12.3 202/0.71 65 .84 2026 Jan. 10 06 33.23 +78 16.9 06 41.08 +78 14.2 3.204 3.837 -5.50 -17.3 16.4 25.5/234 123.6 12.3 168/0.72 97 .56 20 05 39.25 +75 19.4 05 46.06 +75 20.7 3.193 3.806 -3.16 -22.3 16.4 26.0/215 121.9 12.7 141/0.74 118 .01 30 05 08.66 +71 33.8 05 14.50 +71 37.3 3.213 3.776 -1.62 -24.3 16.4 25.7/201 117.9 13.3 120/0.77 44 .89 Feb. 9 04 53.14 +67 29.5 04 58.28 +67 34.1 3.264 3.749 -0.69 -24.4 16.4 24.8/191 112.1 14.1 105/0.80 128 .55 19 04 46.68 +63 24.8 04 51.36 +63 29.9 3.342 3.723 -0.12 -23.4 16.4 23.5/182 105.1 14.9 94/0.83 91 .03 Mar. 1 04 45.82 +59 30.3 04 50.18 +59 35.5 3.442 3.699 +0.25 -21.9 16.4 21.9/175 97.2 15.4 87/0.84 57 .93 11 04 48.52 +55 51.9 04 52.65 +55 56.9 3.559 3.678 +0.49 -20.0 16.5 20.5/167 89.0 15.7 81/0.82 152 .54 21 04 53.58 +52 31.8 04 57.54 +52 36.4 3.687 3.658 +0.65 -18.2 16.6 19.2/161 80.6 15.6 77/0.79 57 .05 31 05 00.25 +49 30.1 05 04.07 +49 34.3 3.820 3.641 +0.77 -16.5 16.6 18.2/154 72.2 15.1 75/0.74 86 .95 Apr. 10 05 08.01 +46 45.6 05 11.73 +46 49.2 3.953 3.625 +0.84 -15.0 16.7 17.4/149 63.9 14.4 72/0.68 148 .52 20 05 16.53 +44 16.2 05 20.16 +44 19.2 4.082 3.612 +0.89 -13.7 16.7 16.8/144 55.7 13.3 70/0.62 24 .09 30 05 25.56 +41 59.9 05 29.11 +42 02.2 4.202 3.601 +0.93 -12.6 16.8 16.4/140 47.6 11.9 69/0.54 116 .97 May 10 05 34.88 +39 54.3 05 38.37 +39 56.0 4.310 3.593 +0.94 -11.8 16.8 16.1/136 39.8 10.4 67/0.46 124 .49 20 05 44.37 +37 57.3 05 47.80 +37 58.3 4.404 3.586 +0.95 -11.1 16.9 15.9/134 32.0 8.6 64/0.37 19 .15 30 05 53.90 +36 07.0 05 57.27 +36 07.3 4.479 3.582 +0.94 -10.6 16.9 15.7/132 24.5 6.7 60/0.29 143 .98 June 9 06 03.34 +34 21.6 06 06.66 +34 21.2 4.536 3.580 +0.92 -10.3 16.9 15.4/131 17.4 4.9 53/0.20 96 .44 19 06 12.62 +32 39.5 06 15.89 +32 38.5 4.573 3.581 +0.90 -10.1 17.0 15.2/131 11.0 3.1 35/0.13 48 .20 29 06 21.62 +30 59.4 06 24.85 +30 57.8 4.588 3.584 +0.86 -10.0 17.0 15.0/131 7.8 2.2 351/0.09 170 .99 July 9 06 30.26 +29 20.1 06 33.44 +29 17.8 4.582 3.589 +0.81 -10.0 17.0 14.7/133 11.0 3.1 307/0.13 65 .37 19 06 38.45 +27 40.4 06 41.59 +27 37.5 4.553 3.596 +0.76 -10.2 17.0 14.4/135 17.4 4.8 289/0.20 78 .26 29 06 46.08 +25 59.3 06 49.17 +25 55.9 4.504 3.606 +0.69 -10.4 16.9 14.0/138 24.7 6.7 281/0.29 162 1.00 Aug. 8 06 53.04 +24 15.8 06 56.09 +24 11.9 4.433 3.618 +0.61 -10.7 16.9 13.7/141 32.4 8.6 278/0.37 33 .29 18 06 59.22 +22 29.0 07 02.22 +22 24.6 4.344 3.632 +0.52 -11.2 16.9 13.3/147 40.4 10.4 276/0.46 106 .30 28 07 04.45 +20 37.8 07 07.42 +20 33.1 4.236 3.648 +0.41 -11.7 16.9 13.0/153 48.6 12.0 275/0.54 134 1.00 Sept. 7 07 08.61 +18 41.3 07 11.53 +18 36.3 4.114 3.667 +0.28 -12.3 16.8 12.9/162 57.2 13.4 275/0.62 8 .21 17 07 11.49 +16 38.7 07 14.37 +16 33.4 3.980 3.687 +0.14 -13.0 16.7 13.1/171 66.0 14.4 275/0.69 134 .33 27 07 12.90 +14 28.9 07 15.74 +14 23.5 3.837 3.710 -0.03 -13.8 16.7 13.8/182 75.2 15.1 275/0.74 102 1.00 Oct. 7 07 12.64 +12 11.2 07 15.43 +12 05.9 3.691 3.734 -0.22 -14.6 16.6 14.9/193 84.7 15.5 277/0.79 40 .15 17 07 10.48 +09 45.3 07 13.22 +09 40.1 3.546 3.761 -0.43 -15.4 16.6 16.6/203 94.7 15.3 278/0.81 159 .34 27 07 06.22 +07 11.3 07 08.92 +07 06.5 3.410 3.789 -0.65 -16.0 16.5 18.8/211 104.9 14.7 281/0.81 66 .99 Nov. 6 06 59.74 +04 30.6 07 02.39 +04 26.2 3.288 3.819 -0.88 -16.4 16.4 21.0/219 115.4 13.6 285/0.78 78 .11 16 06 51.00 +01 45.9 06 53.60 +01 42.1 3.187 3.851 -1.09 -16.3 16.4 23.1/225 125.9 12.0 292/0.71 148 .36 26 06 40.17 -00 58.3 06 42.71 -01 01.3 3.116 3.885 -1.26 -15.7 16.4 24.5/230 135.8 10.2 302/0.62 34 .97 Dec. 6 06 27.62 -03 35.9 06 30.11 -03 38.0 3.080 3.920 -1.37 -14.3 16.4 25.0/235 144.0 8.5 317/0.52 115 .09 16 06 13.97 -06 00.1 06 16.41 -06 01.2 3.083 3.957 -1.40 -12.4 16.4 24.2/239 148.8 7.4 339/0.45 113 .38 26 06 00.01 -08 04.9 06 02.42 -08 05.0 3.125 3.996 -1.35 -10.1 16.5 22.3/243 148.3 7.4 5/0.45 44 .94 2027 Jan. 5 05 46.59 -09 46.4 05 48.96 -09 45.5 3.206 4.036 -1.22 - 7.6 16.6 19.5/247 143.1 8.4 27/0.49 140 .07 15 05 34.45 -11 03.6 05 36.79 -11 01.8 3.322 4.077 -1.03 - 5.4 16.7 16.1/250 135.0 9.8 43/0.55 76 .41 25 05 24.14 -11 58.3 05 26.47 -11 55.8 3.466 4.120 -0.82 - 3.5 16.8 12.5/253 125.8 11.2 55/0.60 80 .91 Feb. 4 05 15.95 -12 34.1 05 18.26 -12 31.0 3.633 4.164 -0.60 - 2.1 16.9 9.0/256 116.3 12.3 64/0.63 133 .06 14 05 09.97 -12 55.3 05 12.28 -12 51.8 3.815 4.209 -0.38 - 1.1 17.1 5.7/259 106.9 13.0 71/0.63 47 .46 24 05 06.13 -13 06.4 05 08.44 -13 02.6 4.005 4.255 -0.19 - 0.5 17.2 2.8/260 97.9 13.3 78/0.62 111 .88 Mar. 6 05 04.25 -13 11.2 05 06.56 -13 07.2 4.199 4.302 -0.01 - 0.2 17.4 0.3/227 89.3 13.3 84/0.59 111 .05