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
2011-10-27 03:07:36 C 22 48 08.57 -04 36 49.1 o 291
2011-10-27 03:10:06 C 22 48 08.44 -04 36 38.4 o 291
2011-10-27 03:12:36 C 22 48 08.28 -04 36 25.8 o 291
2011-10-27 10:13:29 C 22 47 50.79 -04 05 13.6 o 474
2011-10-27 10:15:29 C 22 47 50.68 -04 05 04.9 o 474
2011-10-27 10:17:19 C 22 47 50.62 -04 04 57.0 o 474
2011-10-27 10:19:10 C 22 47 50.52 -04 04 49.1 o 474
2011-10-29 21:59:12 C 22 45 56.36 -00 08 20.9 t 204
2011-10-29 22:24:25 C 22 45 55.59 -00 06 49.0 t 204
2011-10-31 01:41:21 C 22 45 20.47 +01 29 14.6 o 291
2011-10-31 01:44:02 C 22 45 20.40 +01 29 23.7 o 291
2011-10-31 01:46:43 C 22 45 20.34 +01 29 32.9 o 291
2011-11-02 00:24:38 C 22 44 36.42 +03 58 04.3 t H21
2011-11-02 00:35:36 C 22 44 36.19 +03 58 37.0 t H21
2011-11-02 00:46:55 C 22 44 36.00 +03 59 10.7 t H21
2011-11-17 23:54:37 C 22 48 42.04 +16 39 11.4 o H21
2011-11-18 00:13:54 C 22 48 42.49 +16 39 37.0 o H21
2011-11-18 00:35:04 C 22 48 42.97 +16 40 05.2 o H21
2015-03-17 05:41:35 C 05 10 17.953 +68 14 57.15 U T09
2015-03-17 05:42:53 C 05 10 18.175 +68 14 56.02 U T09
2015-03-17 05:44:12 C 05 10 18.396 +68 14 54.85 U T09
2015-03-19 05:51:07 C 05 18 25.867 +67 32 05.87 U T12
2015-03-20 06:58:52 C 05 22 37.067 +67 09 25.16 U T12
2018-03-20 11:58:45 C 17 33 44.62 -04 01 30.7 o 691
2018-03-20 12:04:34 C 17 33 45.96 -04 01 52.9 o 691
2018-03-20 12:10:24 C 17 33 47.31 -04 02 16.8 o 691
2022-02-26 08:58:37 C 14 33 12.19 +63 56 33.3 V V00
2022-02-26 09:07:32 C 14 33 11.24 +63 56 42.6 V V00
2022-02-26 09:16:25 C 14 33 10.33 +63 56 51.7 V V00
2022-04-26 03:39:55 C 08 36 13.180 +31 43 30.65 V G96
2022-04-26 03:48:06 C 08 36 12.420 +31 42 58.39 V G96
2022-04-26 03:59:03 C 08 36 11.542 +31 42 16.56 V G96
2022-04-26 04:07:14 C 08 36 10.897 +31 41 43.44 V G96
2022-05-01 03:35:05 C 08 28 00.92 +23 54 20.6 o 291
2022-05-01 03:45:01 C 08 28 00.25 +23 53 42.5 o 291
2022-05-01 03:55:04 C 08 27 59.64 +23 53 03.5 o 291
2022-05-03 04:15:09 C 08 25 08.90 +20 46 34.4 o 291
2022-05-03 04:25:18 C 08 25 08.26 +20 45 55.1 o 291
2022-05-03 04:35:29 C 08 25 07.61 +20 45 15.6 o 291
2022-09-26 12:44:37 C 04 56 44.126 +20 26 22.09 U F52
2022-09-26 13:02:58 C 04 56 42.144 +20 27 21.21 U F52
2022-09-26 13:21:22 C 04 56 40.135 +20 28 21.63 U F52
2022-10-07 08:52:25 C 04 18 49.648 +35 10 08.22 V G96
2022-10-07 08:59:51 C 04 18 48.157 +35 10 33.60 V G96
2022-10-07 09:07:17 C 04 18 46.634 +35 10 58.76 V G96
2022-10-07 09:14:43 C 04 18 45.144 +35 11 23.96 V G96