Bernardinelli-Bernstein (2014 UN271)

⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2021-08-13 (JD 2459439.5)
Eccentricity (e)0.9513043201 ± 6.02e-03
Semi-major axis (a)194.4223459498 AU ± 2.42e+01
Inclination (i)95.43506054° ± 7.18e-03
Long. of Asc. Node (Ω)189.34477802° ± 2.53e-02
Arg. of Perihelion (ω)198.66980242° ± 1.22e-01
Mean Anomaly (M)0.11179533° ± 2.17e-02
Mean Motion (n)0.0000013739°/day ± 2.57e-07
Perihelion dist (q)10.93428724 AU ± 1.66e+00
Aphelion dist (Q)16016.28297691 AU ± 4.72e+01
Orbital Period717381.86725854 yr ± 1.34e+05
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.196″
Uncertainty4
Orbit TypeComet
MOID8.511744 AU
Observations Used14
Oppositions—
Arc Total2010-2026
First Observation Used—
Last Observation Used2026-03-07
Observations (2243)
Date Type RA Dec Mag Band Observatory
2025-10-14 07:34:44 C 05 42 28.080 -72 33 26.82 – V W68
2025-10-16 07:24:23 C 05 42 13.930 -72 41 17.20 – V W68
2025-10-16 07:44:44 C 05 42 13.814 -72 41 19.61 – V W68
2025-10-16 07:48:42 C 05 42 13.810 -72 41 20.47 – V W68
2025-10-16 07:57:59 C 05 42 13.673 -72 41 22.13 – V W68
2025-10-17 06:39:52 C 05 42 05.796 -72 45 02.99 – V W68
2025-10-17 06:43:50 C 05 42 05.916 -72 45 03.49 – V W68
2025-10-17 07:14:21 C 05 42 05.616 -72 45 08.35 – V W68
2025-10-17 07:21:39 C 05 42 05.429 -72 45 09.97 – V W68
2025-10-19 07:17:10 C 05 41 45.994 -72 52 49.01 – V W68
2025-10-19 07:21:11 C 05 41 45.972 -72 52 49.30 – V W68
2025-10-19 07:29:10 C 05 41 45.900 -72 52 50.99 – V W68
2025-10-19 08:06:57 C 05 41 45.665 -72 52 56.17 – V W68
2025-10-21 00:51:44 C 05 41 26.170 -72 59 19.57 – V M22
2025-10-21 00:55:37 C 05 41 26.028 -72 59 20.08 – V M22
2025-10-21 01:02:54 C 05 41 26.059 -72 59 21.34 – V M22
2025-10-21 01:20:00 C 05 41 25.790 -72 59 23.89 – V M22
2025-10-21 01:31:41 C 05 41 25.774 -72 59 25.94 – V M22
2025-10-25 05:20:54 C 05 40 26.926 -73 14 37.86 – V W68
2025-10-25 05:24:11 C 05 40 26.854 -73 14 38.51 – V W68
2025-10-25 05:52:51 C 05 40 26.467 -73 14 42.68 – V W68
2025-10-25 06:16:08 C 05 40 26.148 -73 14 45.96 – V W68
2025-10-26 06:08:45 C 05 40 09.732 -73 18 17.53 – V W68
2025-10-26 06:30:06 C 05 40 09.475 -73 18 20.66 – V W68
2025-10-26 06:56:21 C 05 40 09.158 -73 18 25.02 – V W68
2025-10-26 07:04:12 C 05 40 09.041 -73 18 25.70 – V W68
2025-10-26 19:40:42 C 05 39 59.890 -73 20 16.84 – Z 323
2025-10-26 19:48:23 C 05 39 59.777 -73 20 17.84 – Z 323
2025-10-26 19:54:32 C 05 39 59.681 -73 20 18.82 – Z 323
2025-10-26 22:56:26 C 05 39 57.629 -73 20 44.77 – V M22
2025-10-26 23:00:23 C 05 39 57.643 -73 20 45.31 – V M22
2025-10-26 23:07:46 C 05 39 57.523 -73 20 46.18 – V M22
2025-10-26 23:17:08 C 05 39 57.350 -73 20 47.90 – V M22
2025-10-28 06:10:05 C 05 39 33.883 -73 25 15.64 – V W68
2025-10-28 06:40:52 C 05 39 33.521 -73 25 19.92 – V W68
2025-10-28 06:44:49 C 05 39 33.458 -73 25 20.50 – V W68
2025-10-28 06:52:18 C 05 39 33.300 -73 25 21.83 – V W68
2025-10-29 05:53:37 C 05 39 14.909 -73 28 37.70 – V W68
2025-10-29 06:25:53 C 05 39 14.455 -73 28 42.35 – V W68
2025-10-29 06:40:01 C 05 39 14.258 -73 28 44.33 – V W68
2025-10-31 05:58:31 C 05 38 33.691 -73 35 19.07 – V W68
2025-10-31 06:31:17 C 05 38 33.166 -73 35 23.42 – V W68
2025-10-31 06:35:16 C 05 38 33.151 -73 35 24.36 – V W68
2025-10-31 06:42:31 C 05 38 33.034 -73 35 25.51 – V W68
2025-10-31 07:05:00 C 05 38 32.738 -73 35 28.57 – V W68
2025-10-31 07:09:01 C 05 38 32.671 -73 35 28.75 – V W68
2025-10-31 07:17:06 C 05 38 32.772 -73 35 29.62 – V W68
2025-10-31 07:45:19 C 05 38 32.246 -73 35 33.36 – V W68
2025-11-01 17:55:58 C 05 38 00.689 -73 40 10.99 – Z 323
2025-11-01 18:05:10 C 05 38 00.578 -73 40 11.82 – Z 323