2011 UN20

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3168208000
Semi-major axis (a)1.5725158000 AU
Inclination (i)13.10351000°
Long. of Asc. Node (Ω)209.93498000°
Arg. of Perihelion (ω)150.91328000°
Mean Anomaly (M)66.29940000°
Mean Motion (n)0.4998176200°/day
Perihelion dist (q)1.07431010 AU
Aphelion dist (Q)2.07072150 AU
Orbital Period1.97193470 yr
Physical Parameters
H (abs. magnitude)23.10
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.360″
Uncertainty5
Orbit TypeAmor
MOID0.098450 AU
Observations Used68
Oppositions1
Arc Total
First Observation Used
Last Observation Used2011-11-17
Observations (69)
Date Type RA Dec Mag Band Observatory
2011-10-18 11:09:09 C 03 41 57.66 +23 21 00.2 r G96
2011-10-18 11:17:36 C 03 41 58.23 +23 20 20.4 r G96
2011-10-18 11:26:00 C 03 41 58.77 +23 19 40.5 r G96
2011-10-18 11:34:22 C 03 41 59.35 +23 19 00.6 r G96
2011-10-18 11:59:33 C 03 42 01.04 +23 17 01.0 r G96
2011-10-18 12:01:30 C 03 42 01.15 +23 16 51.6 r G96
2011-10-18 12:03:28 C 03 42 01.33 +23 16 42.6 r G96
2011-10-18 12:05:25 C 03 42 01.40 +23 16 33.0 r G96
2011-10-18 12:25:48 C 03 42 02.86 +23 14 57.6 o 291
2011-10-18 12:27:12 C 03 42 02.95 +23 14 51.0 o 291
2011-10-18 12:28:35 C 03 42 03.05 +23 14 44.1 o 291
2011-10-18 13:04:25 C 03 42 08.23 +23 12 16.5 t F65
2011-10-18 13:10:05 C 03 42 08.56 +23 11 49.7 t F65
2011-10-18 13:15:46 C 03 42 08.93 +23 11 23.1 t F65
2011-10-18 14:36:35 C 03 42 14.00 +23 05 01.7 o F65
2011-10-18 14:37:39 C 03 42 14.07 +23 04 56.6 o F65
2011-10-18 14:38:40 C 03 42 14.14 +23 04 51.3 o F65
2011-10-18 14:39:44 C 03 42 14.20 +23 04 46.8 o F65
2011-10-18 14:40:50 C 03 42 14.29 +23 04 41.6 o F65
2011-10-18 14:41:55 C 03 42 14.35 +23 04 36.0 o F65
2011-10-18 14:43:00 C 03 42 14.43 +23 04 30.7 o F65
2011-10-18 14:44:04 C 03 42 14.47 +23 04 25.7 o F65
2011-10-18 14:45:08 C 03 42 14.56 +23 04 20.6 o F65
2011-10-19 06:03:40 C 03 43 30.49 +21 54 03.4 o 807
2011-10-19 06:11:54 C 03 43 30.98 +21 53 25.4 o 807
2011-10-19 22:22:32 C 03 44 45.00 +20 37 30.9 u J95
2011-10-19 22:35:25 C 03 44 45.85 +20 36 31.9 u J95
2011-10-19 22:50:02 C 03 44 46.73 +20 35 25.9 u J95
2011-10-20 00:03:36 C 03 44 51.39 +20 30 01.2 v I93
2011-10-20 00:20:51 C 03 44 52.35 +20 28 43.2 v I93
2011-10-20 00:45:09 C 03 44 53.74 +20 26 52.7 v I93
2011-10-20 08:55:05 C 03 45 26.41 +19 49 55.6 u H36
2011-10-20 09:08:51 C 03 45 27.10 +19 48 52.7 u H36
2011-10-20 09:23:08 C 03 45 27.84 +19 47 47.2 u H36
2011-10-20 10:25:45 C 03 45 32.04 +19 43 12.2 r G96
2011-10-20 10:34:13 C 03 45 32.47 +19 42 34.0 r G96
2011-10-20 10:42:36 C 03 45 32.90 +19 41 55.4 r G96
2011-10-20 10:51:02 C 03 45 33.33 +19 41 17.3 r G96
2011-10-20 11:47:51 C 03 45 36.41 +19 36 59.7 o 291
2011-10-20 11:49:15 C 03 45 36.48 +19 36 52.8 o 291
2011-10-20 11:50:38 C 03 45 36.57 +19 36 46.5 o 291
2011-10-21 08:24:43 C 03 46 58.93 +18 04 50.1 t H21
2011-10-21 08:31:53 C 03 46 59.29 +18 04 18.9 t H21
2011-10-21 08:38:45 C 03 46 59.58 +18 03 48.2 t H21
2011-10-21 08:39:28 C 03 47 01.17 +18 03 53.1 o 691
2011-10-21 09:05:03 C 03 47 02.35 +18 01 59.7 o 691
2011-10-21 09:30:37 C 03 47 03.48 +18 00 07.2 o 691
2011-10-22 08:20:57 C 03 48 24.32 +16 20 23.1 o H21
2011-10-22 08:30:23 C 03 48 24.71 +16 19 42.4 o H21
2011-10-22 08:40:03 C 03 48 25.11 +16 19 00.7 o H21