2011 UH20

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3360836067 ± 7.56e-08
Semi-major axis (a)1.2309267842 AU ± 4.63e-09
Inclination (i)35.77056777° ± 2.53e-05
Long. of Asc. Node (Ω)21.60051359° ± 5.83e-06
Arg. of Perihelion (ω)257.16917433° ± 1.67e-05
Mean Anomaly (M)173.75951032° ± 2.38e-05
Mean Motion (n)0.7217120284°/day ± 4.07e-09
Perihelion dist (q)0.81723247 AU ± 9.31e-08
Aphelion dist (Q)1.64462110 AU ± 9.33e-08
Orbital Period1.36567806 yr ± 7.70e-09
Physical Parameters
H (abs. magnitude)21.10
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.367″
Uncertainty0
Orbit TypeApollo
MOID0.011896 AU
Observations Used95
Oppositions3
Arc Total2011-2022
First Observation Used2011-10-18
Last Observation Used2022-10-07
Observations (96)
Date Type RA Dec Mag Band Observatory
2011-10-18 03:37:24 C 23 05 32.23 -26 15 22.6 18.9 c 704
2011-10-18 03:54:35 C 23 05 29.58 -26 13 08.1 19.3 c 704
2011-10-18 04:11:47 C 23 05 27.08 -26 10 53.9 19.5 c 704
2011-10-18 04:46:32 C 23 05 21.94 -26 06 23.0 18.9 c 704
2011-10-19 04:18:16 C 23 02 20.60 -23 07 23.5 u H36
2011-10-19 04:30:52 C 23 02 19.00 -23 05 50.5 u H36
2011-10-19 04:37:10 C 23 02 18.25 -23 05 02.8 u H36
2011-10-19 04:54:59 C 23 02 14.91 -23 02 06.5 o 807
2011-10-19 05:00:01 C 23 02 14.27 -23 01 29.3 o 807
2011-10-19 05:07:16 C 23 02 13.34 -23 00 35.2 o 807
2011-10-19 15:53:34 C 23 00 57.76 -21 41 54.5 o E10
2011-10-19 15:55:56 C 23 00 57.48 -21 41 37.2 o E10
2011-10-19 15:58:17 C 23 00 57.21 -21 41 20.1 o E10
2011-10-19 16:00:45 C 23 00 56.93 -21 41 02.3 o E10
2011-10-20 04:10:41 C 22 59 39.32 -20 15 34.8 u H36
2011-10-20 04:25:55 C 22 59 37.58 -20 13 47.3 u H36
2011-10-20 04:33:31 C 22 59 36.63 -20 12 54.5 u H36
2011-10-20 11:13:48 C 22 58 56.40 -19 26 41.9 o 300
2011-10-20 11:20:48 C 22 58 55.67 -19 25 54.2 o 300
2011-10-20 11:23:09 C 22 58 55.35 -19 25 37.9 o 300
2011-10-21 03:15:37 C 22 57 22.83 -17 38 51.9 o 291
2011-10-21 03:16:58 C 22 57 22.73 -17 38 42.9 o 291
2011-10-21 03:18:18 C 22 57 22.58 -17 38 34.1 o 291
2011-10-21 07:41:22 C 22 56 57.52 -17 09 46.8 o F65
2011-10-21 07:42:12 C 22 56 57.44 -17 09 41.9 o F65
2011-10-21 07:43:07 C 22 56 57.34 -17 09 36.0 o F65
2011-10-21 07:44:04 C 22 56 57.25 -17 09 29.5 o F65
2011-10-22 05:48:07 C 22 55 03.11 -14 50 06.5 o 291
2011-10-22 05:50:28 C 22 55 02.90 -14 49 52.1 o 291
2011-10-22 05:52:49 C 22 55 02.66 -14 49 37.6 o 291
2011-10-23 01:29:31 C 22 53 34.07 -12 52 36.7 o H21
2011-10-23 01:35:42 C 22 53 33.60 -12 52 00.9 o H21
2011-10-23 01:41:52 C 22 53 33.09 -12 51 25.3 o H21
2011-10-23 01:48:03 C 22 53 32.60 -12 50 49.0 o H21
2011-10-23 01:53:19 C 22 53 32.17 -12 50 18.6 o H21
2011-10-23 02:31:33 C 22 53 29.92 -12 46 33.4 o 291
2011-10-23 02:33:55 C 22 53 29.74 -12 46 19.3 o 291
2011-10-23 02:36:16 C 22 53 29.55 -12 46 05.6 o 291
2011-10-24 03:04:35 C 22 51 50.35 -10 29 08.0 o 291
2011-10-24 03:06:57 C 22 51 50.21 -10 28 54.0 o 291
2011-10-24 03:09:18 C 22 51 50.05 -10 28 41.6 o 291
2011-10-25 00:58:06 C 22 50 32.89 -08 34 23.8 o H21
2011-10-25 01:05:25 C 22 50 32.44 -08 33 47.1 o H21
2011-10-25 01:12:51 C 22 50 32.00 -08 33 09.4 o H21
2011-10-25 02:29:59 C 22 50 26.56 -08 26 00.8 o 807
2011-10-25 02:36:14 C 22 50 26.18 -08 25 29.2 o 807
2011-10-25 02:42:38 C 22 50 25.77 -08 24 56.7 o 807
2011-10-26 03:20:51 C 22 49 11.30 -06 25 12.5 o 291
2011-10-26 03:23:14 C 22 49 11.18 -06 25 00.9 o 291
2011-10-26 03:25:37 C 22 49 11.03 -06 24 50.2 o 291