C/2014 UN271 (Bernardinelli-Bernstei) Orbit by S. Nakano NK 5500 (2026) Observed in 1st half of 2026
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2031 Jan. 16.38611 10.9600721 1.0042218 326.08409 189.99806 95.44619 0.200 2026 June 9.0 m1 = 1.5 + 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 05 01.43 -74 55.0 05 00.00 -74 50.7 14.527 14.402 -0.61 + 1.4 16.6 2.8/300 80.7 3.9 23/0.05 99 .84 2026 Jan. 10 04 55.20 -74 41.2 04 53.87 -74 36.5 14.501 14.370 -0.49 + 2.1 16.6 2.9/316 80.4 3.9 35/0.05 90 .56 20 04 50.14 -74 20.9 04 48.93 -74 15.9 14.471 14.339 -0.35 + 2.6 16.6 3.0/331 80.3 3.9 46/0.05 78 .01 30 04 46.54 -73 55.1 04 45.44 -73 49.8 14.437 14.308 -0.19 + 3.0 16.5 3.1/345 80.5 3.9 57/0.05 103 .89 Feb. 9 04 44.50 -73 25.2 04 43.54 -73 19.7 14.398 14.277 -0.03 + 3.3 16.5 3.3/358 81.0 3.9 68/0.05 84 .55 19 04 44.07 -72 52.2 04 43.22 -72 46.7 14.356 14.246 +0.12 + 3.5 16.5 3.5/ 9 81.6 3.9 78/0.05 84 .03 Mar. 1 04 45.20 -72 17.4 04 44.47 -72 12.0 14.311 14.215 +0.27 + 3.5 16.5 3.7/ 20 82.4 4.0 88/0.05 101 .93 11 04 47.78 -71 42.0 04 47.16 -71 36.8 14.263 14.184 +0.40 + 3.5 16.5 4.0/ 29 83.4 4.0 97/0.06 81 .54 21 04 51.70 -71 06.9 04 51.16 -71 02.0 14.214 14.153 +0.52 + 3.3 16.5 4.2/ 38 84.5 4.0 106/0.06 91 .05 31 04 56.82 -70 33.1 04 56.35 -70 28.6 14.163 14.122 +0.62 + 3.1 16.5 4.4/ 46 85.6 4.0 115/0.06 96 .95 Apr. 10 05 02.97 -70 01.4 05 02.57 -69 57.2 14.113 14.091 +0.71 + 2.9 16.4 4.7/ 53 86.8 4.1 123/0.06 81 .52 20 05 10.03 -69 32.3 05 09.68 -69 28.6 14.063 14.061 +0.79 + 2.5 16.4 4.9/ 60 87.8 4.1 131/0.06 96 .09 30 05 17.86 -69 06.5 05 17.55 -69 03.4 14.014 14.030 +0.85 + 2.1 16.4 5.1/ 66 88.9 4.1 139/0.06 89 .97 May 10 05 26.33 -68 44.4 05 26.06 -68 41.9 13.968 14.000 +0.90 + 1.7 16.4 5.2/ 72 89.8 4.1 147/0.06 85 .49 20 05 35.33 -68 26.4 05 35.09 -68 24.6 13.924 13.970 +0.94 + 1.3 16.4 5.4/ 77 90.5 4.2 154/0.06 96 .15 30 05 44.74 -68 12.8 05 44.53 -68 11.7 13.884 13.939 +0.97 + 0.8 16.4 5.5/ 82 91.0 4.2 162/0.06 85 .98 June 9 05 54.47 -68 03.8 05 54.26 -68 03.4 13.848 13.909 +0.99 + 0.4 16.4 5.6/ 88 91.4 4.2 169/0.06 91 .44 19 06 04.40 -67 59.5 06 04.21 -67 59.8 13.816 13.879 +1.00 - 0.1 16.3 5.6/ 92 91.5 4.2 176/0.06 92 .20 29 06 14.45 -68 00.1 06 14.26 -68 01.1 13.788 13.849 +1.01 - 0.6 16.3 5.7/ 97 91.3 4.2 184/0.06 84 .99 July 9 06 24.51 -68 05.4 06 24.32 -68 07.2 13.765 13.819 +1.00 - 1.1 16.3 5.7/102 91.0 4.2 191/0.06 97 .37 19 06 34.50 -68 15.6 06 34.29 -68 18.1 13.745 13.790 +0.98 - 1.6 16.3 5.6/107 90.4 4.2 198/0.06 85 .26 29 06 44.30 -68 30.4 06 44.08 -68 33.6 13.730 13.760 +0.95 - 2.0 16.3 5.5/112 89.6 4.2 205/0.06 87 1.00 Aug. 8 06 53.82 -68 49.6 06 53.58 -68 53.5 13.717 13.730 +0.91 - 2.4 16.3 5.4/117 88.6 4.2 213/0.06 99 .29 18 07 02.96 -69 13.1 07 02.69 -69 17.7 13.707 13.701 +0.86 - 2.8 16.3 5.3/123 87.5 4.2 220/0.06 79 .30 28 07 11.59 -69 40.5 07 11.28 -69 45.7 13.699 13.671 +0.80 - 3.1 16.3 5.2/129 86.3 4.2 228/0.06 94 1.00 Sept. 7 07 19.60 -70 11.4 07 19.24 -70 17.1 13.693 13.642 +0.72 - 3.4 16.3 5.0/135 85.0 4.2 235/0.06 96 .21 17 07 26.85 -70 45.4 07 26.44 -70 51.5 13.686 13.613 +0.63 - 3.7 16.3 4.8/141 83.7 4.2 243/0.06 77 .33 27 07 33.19 -71 21.8 07 32.71 -71 28.4 13.679 13.584 +0.52 - 3.9 16.2 4.6/148 82.4 4.2 252/0.06 101 1.00 Oct. 7 07 38.48 -71 59.9 07 37.91 -72 06.9 13.671 13.555 +0.40 - 3.9 16.2 4.3/156 81.3 4.2 260/0.06 88 .15 17 07 42.54 -72 39.1 07 41.87 -72 46.3 13.660 13.526 +0.25 - 3.9 16.2 4.1/165 80.2 4.2 269/0.06 79 .34 27 07 45.20 -73 18.4 07 44.42 -73 25.7 13.645 13.497 +0.10 - 3.8 16.2 3.9/174 79.3 4.2 279/0.06 106 .99 Nov. 6 07 46.31 -73 56.7 07 45.40 -74 04.1 13.627 13.468 -0.07 - 3.6 16.2 3.6/185 78.7 4.1 288/0.06 79 .11 16 07 45.73 -74 32.9 07 44.67 -74 40.3 13.605 13.440 -0.25 - 3.3 16.2 3.4/196 78.3 4.1 299/0.06 85 .36 26 07 43.39 -75 05.8 07 42.16 -75 13.0 13.578 13.411 -0.43 - 2.8 16.2 3.2/209 78.2 4.1 310/0.06 105 .97 Dec. 6 07 39.30 -75 33.9 07 37.91 -75 40.9 13.545 13.383 -0.59 - 2.2 16.2 3.1/224 78.4 4.1 321/0.06 74 .09 16 07 33.59 -75 56.1 07 32.05 -76 02.7 13.508 13.354 -0.71 - 1.4 16.2 2.9/240 79.0 4.1 333/0.06 93 .38 26 07 26.57 -76 11.1 07 24.90 -76 17.2 13.465 13.326 -0.80 - 0.6 16.1 2.9/256 79.8 4.2 344/0.06 98 .94 2027 Jan. 5 07 18.69 -76 17.9 07 16.93 -76 23.5 13.418 13.298 -0.82 + 0.2 16.1 2.9/274 80.9 4.2 356/0.06 74 .07 15 07 10.51 -76 16.2 07 08.71 -76 21.2 13.367 13.270 -0.78 + 1.1 16.1 3.0/291 82.2 4.2 9/0.06 101 .41 25 07 02.67 -76 05.6 07 00.88 -76 10.1 13.313 13.242 -0.69 + 1.9 16.1 3.2/307 83.8 4.2 20/0.06 89 .91 Feb. 4 06 55.73 -75 46.8 06 54.01 -75 50.8 13.256 13.214 -0.55 + 2.7 16.1 3.4/322 85.5 4.3 32/0.06 79 .06 14 06 50.14 -75 20.4 06 48.54 -75 24.0 13.198 13.187 -0.38 + 3.3 16.1 3.6/336 87.2 4.3 43/0.07 104 .46 24 06 46.23 -74 47.6 06 44.77 -74 50.9 13.139 13.159 -0.20 + 3.8 16.0 3.9/348 89.0 4.3 54/0.07 81 .88 Mar. 6 06 44.11 -74 09.5 06 42.81 -74 12.7 13.082 13.132 -0.01 + 4.2 16.0 4.2/359 90.7 4.3 64/0.07 87 .05