C/2014 UN271 (Bernardinelli-Bernstei) Orbit by S. Nakano CBET 4989 (2021) Observed in 1st half of 2025
Equinox 2000.0 T/TT q (AU) e P Peri. Node Inc. Tail(AU) Epoch 2031 Jan. 16.50953 10.9602845 1.0041280 326.08030 189.95806 95.44430 0.200 2025 May 5.0 m1 = 2.5 + 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 , ¡ ¡ ¡ ¡ ¡ ¡ 2024 Dec. 26 03 40.59 -70 41.0 03 40.55 -70 31.4 15.715 15.609 -0.39 + 1.8 18.0 2.6/312 82.1 3.6 36/0.05 91 .23 2025 Jan. 5 03 36.65 -70 23.4 03 36.69 -70 13.7 15.711 15.576 -0.28 + 2.2 18.0 2.7/327 80.3 3.6 47/0.05 76 .28 15 03 33.78 -70 01.1 03 33.89 -69 51.2 15.703 15.542 -0.16 + 2.6 18.0 2.7/342 78.8 3.6 58/0.04 107 .99 25 03 32.06 -69 35.2 03 32.24 -69 25.1 15.690 15.508 -0.05 + 2.9 18.0 2.9/355 77.6 3.6 69/0.04 83 .22 Feb. 4 03 31.54 -69 06.6 03 31.78 -68 56.5 15.671 15.475 +0.07 + 3.0 18.0 3.0/ 8 76.7 3.6 79/0.04 84 .35 14 03 32.21 -68 36.7 03 32.51 -68 26.7 15.647 15.441 +0.18 + 3.0 18.0 3.2/ 19 76.2 3.6 89/0.04 105 .98 24 03 34.00 -68 06.5 03 34.34 -67 56.6 15.616 15.408 +0.29 + 2.9 18.0 3.4/ 29 76.1 3.6 99/0.05 77 .19 Mar. 6 03 36.85 -67 36.9 03 37.22 -67 27.2 15.580 15.375 +0.38 + 2.8 18.0 3.6/ 39 76.3 3.6 108/0.05 94 .42 16 03 40.65 -67 09.0 03 41.05 -66 59.4 15.537 15.341 +0.47 + 2.5 17.9 3.7/ 48 76.8 3.6 118/0.05 100 .97 26 03 45.29 -66 43.3 03 45.71 -66 34.1 15.490 15.308 +0.54 + 2.2 17.9 3.9/ 56 77.7 3.6 127/0.05 75 .16 Apr. 5 03 50.69 -66 20.7 03 51.11 -66 11.8 15.438 15.275 +0.60 + 1.9 17.9 4.1/ 64 78.8 3.7 135/0.05 101 .49 15 03 56.73 -66 01.7 03 57.14 -65 53.2 15.382 15.242 +0.66 + 1.5 17.9 4.3/ 71 80.1 3.7 144/0.05 93 .96 25 04 03.30 -65 46.8 04 03.71 -65 38.7 15.324 15.209 +0.70 + 1.0 17.9 4.5/ 78 81.6 3.8 152/0.05 78 .11 May 5 04 10.33 -65 36.3 04 10.72 -65 28.7 15.263 15.176 +0.74 + 0.5 17.9 4.6/ 84 83.1 3.8 160/0.05 102 .54 15 04 17.71 -65 30.6 04 18.07 -65 23.4 15.202 15.143 +0.76 0.0 17.9 4.8/ 90 84.7 3.8 168/0.05 86 .95 25 04 25.35 -65 29.8 04 25.68 -65 23.1 15.140 15.110 +0.78 - 0.5 17.8 4.9/ 96 86.3 3.8 176/0.05 86 .07 June 4 04 33.16 -65 34.0 04 33.45 -65 27.8 15.080 15.077 +0.78 - 1.0 17.8 5.0/102 87.9 3.9 183/0.05 99 .58 14 04 41.06 -65 43.3 04 41.30 -65 37.7 15.022 15.044 +0.78 - 1.5 17.8 5.0/108 89.3 3.9 191/0.05 82 .93 24 04 48.94 -65 57.6 04 49.13 -65 52.5 14.966 15.011 +0.77 - 2.0 17.8 5.1/114 90.6 3.9 199/0.05 93 .03 July 4 04 56.72 -66 16.8 04 56.85 -66 12.2 14.914 14.979 +0.75 - 2.4 17.8 5.1/119 91.7 3.9 206/0.05 93 .61 14 05 04.30 -66 40.6 05 04.35 -66 36.6 14.865 14.946 +0.72 - 2.9 17.8 5.1/125 92.6 3.9 214/0.05 83 .89 24 05 11.57 -67 08.8 05 11.55 -67 05.3 14.821 14.914 +0.68 - 3.3 17.7 5.1/131 93.3 3.9 222/0.05 97 .01 Aug. 3 05 18.42 -67 40.9 05 18.32 -67 37.9 14.782 14.881 +0.62 - 3.6 17.7 5.0/137 93.6 3.9 230/0.05 86 .64 13 05 24.73 -68 16.6 05 24.53 -68 14.0 14.748 14.849 +0.55 - 3.9 17.7 4.9/143 93.7 3.9 238/0.05 89 .84 23 05 30.38 -68 55.1 05 30.08 -68 53.0 14.719 14.816 +0.47 - 4.1 17.7 4.8/149 93.6 3.9 247/0.05 96 .00 Sept. 2 05 35.22 -69 36.0 05 34.80 -69 34.2 14.694 14.784 +0.38 - 4.3 17.7 4.7/156 93.2 3.9 256/0.05 82 .66 12 05 39.10 -70 18.4 05 38.57 -70 16.8 14.674 14.752 +0.27 - 4.3 17.7 4.5/163 92.5 3.9 265/0.05 96 .77 22 05 41.89 -71 01.4 05 41.23 -71 00.1 14.657 14.720 +0.14 - 4.3 17.7 4.3/171 91.6 3.9 274/0.05 90 .00 Oct. 2 05 43.43 -71 44.1 05 42.63 -71 42.9 14.644 14.688 0.00 - 4.1 17.7 4.1/180 90.6 3.9 283/0.05 81 .70 12 05 43.60 -72 25.4 05 42.66 -72 24.2 14.633 14.656 -0.14 - 3.9 17.7 3.9/189 89.4 3.9 293/0.05 101 .69 22 05 42.30 -73 04.2 05 41.22 -73 02.9 14.623 14.624 -0.29 - 3.5 17.6 3.7/200 88.1 3.9 303/0.05 84 .00 Nov. 1 05 39.50 -73 39.3 05 38.28 -73 37.8 14.614 14.592 -0.44 - 3.0 17.6 3.5/211 86.8 3.9 314/0.05 85 .73 11 05 35.23 -74 09.4 05 33.90 -74 07.6 14.605 14.560 -0.57 - 2.4 17.6 3.3/223 85.5 3.9 325/0.05 101 .63 21 05 29.66 -74 33.5 05 28.24 -74 31.3 14.595 14.528 -0.67 - 1.7 17.6 3.1/237 84.2 3.9 336/0.05 79 .01 Dec. 1 05 23.07 -74 50.6 05 21.58 -74 47.9 14.582 14.497 -0.72 - 0.9 17.6 3.0/252 83.1 3.9 348/0.05 92 .78 11 05 15.84 -75 00.0 05 14.34 -74 56.8 14.568 14.465 -0.74 - 0.1 17.6 2.9/267 82.1 3.9 359/0.05 96 .59 21 05 08.46 -75 01.4 05 06.97 -74 57.7 14.549 14.433 -0.70 + 0.7 17.6 2.8/283 81.3 3.9 11/0.05 76 .01 31 05 01.42 -74 55.0 04 59.99 -74 50.7 14.528 14.402 -0.61 + 1.4 17.6 2.8/300 80.7 3.9 23/0.05 99 .84 2026 Jan. 10 04 55.19 -74 41.2 04 53.86 -74 36.5 14.502 14.371 -0.49 + 2.1 17.6 2.9/316 80.4 3.9 34/0.05 90 .56 20 04 50.13 -74 20.9 04 48.92 -74 15.9 14.471 14.339 -0.35 + 2.6 17.6 3.0/331 80.3 3.9 46/0.05 78 .01 30 04 46.53 -73 55.1 04 45.43 -73 49.8 14.437 14.308 -0.19 + 3.0 17.5 3.1/345 80.5 3.9 56/0.05 103 .89 Feb. 9 04 44.49 -73 25.2 04 43.53 -73 19.7 14.399 14.277 -0.03 + 3.3 17.5 3.3/358 81.0 3.9 67/0.05 84 .55 19 04 44.06 -72 52.2 04 43.21 -72 46.7 14.357 14.246 +0.12 + 3.5 17.5 3.5/ 9 81.6 3.9 77/0.05 84 .03 Mar. 1 04 45.19 -72 17.4 04 44.46 -72 12.0 14.311 14.215 +0.27 + 3.5 17.5 3.7/ 20 82.4 4.0 86/0.06 101 .93