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
2026-03-24 00:29:01 C 04 52 36.698 -70 51 43.74 – V W68
2026-03-24 00:33:42 C 04 52 36.672 -70 51 43.27 – V W68
2026-03-24 00:41:10 C 04 52 36.922 -70 51 42.01 – V W68
2026-03-24 12:23:27 C 04 52 51.713 -70 50 05.03 – Z 323
2026-03-24 12:29:33 C 04 52 51.643 -70 50 02.54 – Z 323
2026-03-24 12:35:42 C 04 52 51.794 -70 50 01.90 – Z 323
2026-03-25 00:03:36 C 04 53 06.350 -70 48 24.73 – V W68
2026-03-25 00:08:25 C 04 53 06.398 -70 48 24.48 – V W68
2026-03-25 00:18:26 C 04 53 06.679 -70 48 22.32 – V W68
2026-03-25 00:49:28 C 04 53 07.164 -70 48 18.65 – V W68
2026-03-25 13:21:17 C 04 53 23.311 -70 46 32.81 – Z 323
2026-03-25 13:27:24 C 04 53 23.371 -70 46 32.27 – Z 323
2026-03-25 13:33:32 C 04 53 23.453 -70 46 31.22 – Z 323
2026-03-28 01:15:46 C 04 54 42.377 -70 38 13.52 – V W68
2026-03-28 01:20:42 C 04 54 42.485 -70 38 12.59 – V W68
2026-03-28 01:29:50 C 04 54 42.732 -70 38 11.76 – V W68
2026-03-28 01:44:07 C 04 54 43.037 -70 38 09.53 – V W68
2026-03-29 23:45:49 C 04 55 46.747 -70 31 50.95 – V W68
2026-03-29 23:59:14 C 04 55 46.848 -70 31 49.91 – V W68
2026-03-30 00:13:28 C 04 55 47.333 -70 31 47.64 – V W68
2026-03-31 01:13:42 C 04 56 22.706 -70 28 23.77 – V W68
2026-03-31 01:19:16 C 04 56 22.855 -70 28 22.80 – V W68
2026-03-31 01:27:39 C 04 56 22.980 -70 28 21.72 – V W68
2026-03-31 01:42:38 C 04 56 23.462 -70 28 19.42 – V W68
2026-03-31 17:37:20 C 04 56 46.385 -70 26 10.79 – V M22
2026-03-31 17:42:05 C 04 56 46.613 -70 26 10.10 – V M22
2026-03-31 17:51:32 C 04 56 46.675 -70 26 09.49 – V M22
2026-03-31 18:05:50 C 04 56 47.059 -70 26 06.97 – V M22
2026-04-01 23:41:25 C 04 57 30.456 -70 22 09.12 – V W68
2026-04-01 23:46:14 C 04 57 30.610 -70 22 07.86 – V W68
2026-04-01 23:53:40 C 04 57 30.804 -70 22 06.92 – V W68
2026-04-02 00:08:37 C 04 57 31.210 -70 22 04.98 – V W68
2026-04-03 00:50:29 C 04 58 07.973 -70 18 48.20 – V W68
2026-04-03 00:55:18 C 04 58 08.086 -70 18 47.56 – V W68
2026-04-03 01:21:41 C 04 58 08.772 -70 18 44.10 – V W68
2026-04-03 01:32:47 C 04 58 09.026 -70 18 42.73 – V W68
2026-04-04 00:11:10 B 04 58 43.45 -70 15 43.4 – X X03
2026-04-04 00:22:35 B 04 58 43.69 -70 15 41.5 – X X03
2026-04-04 00:32:59 B 04 58 43.95 -70 15 40.2 – X X03
2026-04-06 00:38:01 C 04 59 58.918 -70 09 22.43 – V W68
2026-04-06 00:43:24 C 04 59 59.035 -70 09 21.78 – V W68
2026-04-06 01:05:50 C 04 59 59.602 -70 09 18.94 – V W68
2026-04-06 01:10:41 C 04 59 59.791 -70 09 18.79 – V W68
2026-04-06 01:14:45 C 04 59 59.851 -70 09 18.25 – V W68
2026-04-06 01:26:58 C 05 00 00.190 -70 09 16.60 – V W68
2026-04-06 01:45:02 C 05 00 00.672 -70 09 14.18 – V W68
2026-04-06 01:54:27 C 05 00 00.794 -70 09 13.32 – V W68
2026-04-06 17:26:27 C 05 00 25.577 -70 07 13.48 – V M22
2026-04-06 17:31:07 C 05 00 25.805 -70 07 12.07 – V M22
2026-04-06 17:39:12 C 05 00 25.939 -70 07 11.28 – V M22