2011 UT91

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4098766974 ± 1.01e-04
Semi-major axis (a)1.3633215849 AU ± 1.72e-04
Inclination (i)13.56235554° ± 3.09e-03
Long. of Asc. Node (Ω)231.59189598° ± 7.41e-06
Arg. of Perihelion (ω)246.95767718° ± 1.37e-03
Mean Anomaly (M)260.39239760° ± 6.42e-01
Mean Motion (n)0.6191769920°/day ± 1.17e-04
Perihelion dist (q)0.80452784 AU ± 1.71e-04
Aphelion dist (Q)1.92211533 AU ± 2.78e-04
Orbital Period1.59183286 yr ± 3.01e-04
Physical Parameters
H (abs. magnitude)23.03
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.253″
Uncertainty3
Orbit TypeApollo
MOID0.007883 AU
Observations Used51
Oppositions1
Arc Total2011-2011
First Observation Used2011-10-23
Last Observation Used2011-11-12
Observations (52)
Date Type RA Dec Mag Band Observatory
2011-10-23 08:25:06 C 00 48 44.460 +47 11 41.61 L F51
2011-10-23 08:44:48 C 00 48 41.850 +47 11 40.71 L F51
2011-10-23 09:04:07 C 00 48 39.329 +47 11 39.29 L F51
2011-10-23 09:21:22 C 00 48 37.033 +47 11 37.97 L F51
2011-10-24 03:57:42 C 00 46 32.39 +47 09 28.8 o H01
2011-10-24 04:17:38 C 00 46 29.71 +47 09 27.4 o H01
2011-10-24 04:24:36 C 00 46 28.77 +47 09 26.9 o H01
2011-10-24 04:31:42 C 00 46 27.80 +47 09 26.3 o H01
2011-10-24 06:11:48 C 00 46 18.05 +47 09 16.7 o F65
2011-10-24 06:14:40 C 00 46 17.68 +47 09 16.6 o F65
2011-10-24 06:17:30 C 00 46 17.30 +47 09 16.6 o F65
2011-10-24 06:20:21 C 00 46 16.91 +47 09 16.5 o F65
2011-10-24 06:39:43 C 00 46 14.289 +47 09 15.62 L F51
2011-10-24 06:59:41 C 00 46 11.560 +47 09 14.72 L F51
2011-10-24 07:17:45 C 00 46 09.085 +47 09 13.72 L F51
2011-10-24 08:12:14 C 00 45 57.89 +47 08 54.5 o 291
2011-10-24 08:15:18 C 00 45 57.45 +47 08 54.6 o 291
2011-10-24 08:18:25 C 00 45 56.98 +47 08 53.8 o 291
2011-10-29 04:56:25 C 00 29 15.82 +46 27 31.5 u H36
2011-10-29 05:09:23 C 00 29 13.26 +46 27 22.1 u H36
2011-10-29 05:22:20 C 00 29 10.76 +46 27 13.5 u H36
2011-10-29 05:35:17 C 00 29 08.24 +46 27 05.4 u H36
2011-10-30 01:20:49 C 00 25 39.85 +46 13 28.5 t H21
2011-10-30 01:25:29 C 00 25 38.86 +46 13 25.3 t H21
2011-10-30 01:29:46 C 00 25 37.97 +46 13 23.0 t H21
2011-11-01 07:03:59 C 00 14 23.64 +45 22 48.4 o 291
2011-11-01 07:06:31 C 00 14 22.95 +45 22 45.2 o 291
2011-11-01 07:09:02 C 00 14 22.32 +45 22 41.9 o 291
2011-11-03 06:16:57 C 00 02 15.48 +44 14 21.3 o 291
2011-11-03 06:19:28 C 00 02 14.68 +44 14 16.9 o 291
2011-11-03 06:21:59 C 00 02 13.87 +44 14 12.0 o 291
2011-11-04 01:33:46 C 23 56 37.24 +43 37 03.2 r 703
2011-11-04 01:43:35 C 23 56 33.79 +43 36 45.3 r 703
2011-11-04 01:53:24 C 23 56 30.51 +43 36 25.0 r 703
2011-11-04 02:03:06 C 23 56 27.24 +43 36 06.9 r 703
2011-11-04 02:12:57 C 23 56 23.82 +43 35 47.4 r 703
2011-11-06 19:27:24 C 23 31 35.97 +40 25 43.2 r A17
2011-11-06 19:39:21 C 23 31 30.09 +40 24 56.3 r A17
2011-11-06 19:50:42 C 23 31 24.51 +40 24 11.4 r A17
2011-11-07 00:29:35 C 23 29 17.14 +40 05 38.4 u I15
2011-11-07 00:33:48 C 23 29 14.93 +40 05 20.5 u I15
2011-11-07 00:38:01 C 23 29 12.80 +40 05 03.9 u I15
2011-11-09 02:42:52 C 23 01 27.18 +35 27 12.5 o G48
2011-11-09 02:43:39 C 23 01 26.62 +35 27 06.6 o G48
2011-11-09 02:44:25 C 23 01 26.11 +35 27 01.7 o G48
2011-11-09 02:45:10 C 23 01 25.58 +35 26 55.7 o G48
2011-11-09 21:24:43 C 22 48 17.14 +32 52 14.9 t 204
2011-11-09 21:34:52 C 22 48 09.19 +32 50 38.9 t 204
2011-11-09 21:45:03 C 22 48 01.20 +32 49 02.4 t 204
2011-11-12 18:29:02 C 21 41 38.97 +15 40 20.7 t 204