2021 UB12

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4248127615 ± 2.25e-07
Semi-major axis (a)2.1293679497 AU ± 5.42e-08
Inclination (i)6.10238354° ± 5.12e-06
Long. of Asc. Node (Ω)60.08458320° ± 2.72e-05
Arg. of Perihelion (ω)254.93706789° ± 6.77e-05
Mean Anomaly (M)158.35590438° ± 1.14e-05
Mean Motion (n)0.3172022116°/day ± 1.21e-08
Perihelion dist (q)1.22478527 AU ± 4.79e-07
Aphelion dist (Q)3.03395063 AU ± 4.84e-07
Orbital Period3.10724909 yr ± 1.19e-07
Physical Parameters
H (abs. magnitude)20.10
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-02
RMS Residual0.134″
Uncertainty0
Orbit TypeAmor
MOID0.237477 AU
Observations Used78
Oppositions4
Arc Total2018-2024
First Observation Used2018-12-12
Last Observation Used2024-12-04
Observations (84)
Date Type RA Dec Mag Band Observatory
2018-12-12 11:37:31 C 04 52 07.122 +25 42 04.14 V F51
2018-12-12 11:55:32 C 04 52 06.060 +25 42 04.21 V F51
2021-10-31 13:34:42 C 04 24 46.144 +19 54 41.50 U F52
2021-10-31 13:53:10 C 04 24 45.083 +19 54 42.69 U F52
2021-10-31 14:11:36 C 04 24 44.028 +19 54 43.52 U F52
2021-10-31 14:30:02 C 04 24 42.959 +19 54 44.85 U F52
2021-11-01 07:27:55 C 04 23 46.51 +19 55 49.5 u H21
2021-11-01 07:36:41 C 04 23 45.99 +19 55 50.3 u H21
2021-11-02 09:39:10 C 04 22 16.83 +19 57 29.3 o 291
2021-11-02 09:48:53 C 04 22 16.22 +19 57 29.7 o 291
2021-11-02 09:58:35 C 04 22 15.66 +19 57 30.5 o 291
2021-11-03 06:57:59 C 04 21 02.51 +19 58 43.5 u H21
2021-11-03 07:08:12 C 04 21 01.87 +19 58 44.1 u H21
2021-11-04 07:33:18 C 04 19 34.81 +20 00 04.9 u H21
2021-11-04 07:42:04 C 04 19 34.28 +20 00 05.5 u H21
2021-11-07 07:12:48 C 04 15 10.88 +20 03 28.7 u H21
2021-11-07 07:21:34 C 04 15 10.30 +20 03 29.2 u H21
2021-11-07 08:18:35 C 04 15 07.250 +20 03 33.00 U F52
2021-11-07 08:35:55 C 04 15 06.128 +20 03 33.66 U F52
2021-11-07 09:10:35 C 04 15 03.892 +20 03 35.60 U F52
2021-11-13 10:35:55 C 04 05 40.66 +20 07 54.9 V V06
2021-11-13 10:40:30 C 04 05 40.36 +20 07 54.9 V V06
2021-11-13 10:45:04 C 04 05 40.04 +20 07 55.0 V V06
2021-11-13 10:49:39 C 04 05 39.87 +20 07 55.2 V V06
2021-11-28 07:11:34 C 03 43 11.19 +20 07 40.2 V I52
2021-11-28 07:12:19 C 03 43 11.605 +20 07 42.24 U F52
2021-11-28 07:24:18 C 03 43 10.49 +20 07 39.7 V I52
2021-11-28 07:29:32 C 03 43 10.11 +20 07 40.2 V I52
2021-11-28 07:49:29 C 03 43 09.386 +20 07 42.05 U F52
2021-11-28 08:07:55 C 03 43 08.308 +20 07 42.04 U F52
2024-06-06 16:18:32 C 23 00 04.642 -15 41 41.53 V 474
2024-06-06 16:25:27 C 23 00 05.762 -15 41 37.32 V 474
2024-06-06 16:32:22 C 23 00 06.907 -15 41 33.07 V 474
2024-06-07 03:59:45 C 23 02 00.196 -15 34 52.72 V J04
2024-06-07 04:31:51 C 23 02 05.412 -15 34 34.22 V J04
2024-06-07 15:26:57 C 23 03 53.006 -15 27 41.54 V 474
2024-06-07 15:33:52 C 23 03 54.096 -15 27 36.68 V 474
2024-06-07 15:40:47 C 23 03 55.253 -15 27 33.26 V 474
2024-06-07 15:47:43 C 23 03 56.381 -15 27 27.86 V 474
2024-09-11 11:10:33 C 02 55 54.637 +03 09 25.22 X F52
2024-09-11 11:29:36 C 02 55 54.635 +03 09 28.55 X F52
2024-09-11 11:48:38 C 02 55 54.614 +03 09 32.01 X F52
2024-09-25 11:47:34 C 02 50 55.457 +03 58 30.04 V G96
2024-09-25 11:54:17 C 02 50 55.226 +03 58 30.76 V G96
2024-09-25 12:00:59 C 02 50 54.982 +03 58 31.55 V G96
2024-09-25 12:07:40 C 02 50 54.740 +03 58 32.38 V G96
2024-09-30 12:37:39 C 02 46 25.468 +04 12 49.35 X F52
2024-09-30 12:56:04 C 02 46 24.593 +04 12 51.47 X F52
2024-09-30 13:14:32 C 02 46 23.730 +04 12 53.44 X F52
2024-09-30 13:32:53 C 02 46 22.869 +04 12 55.56 X F52