2011 UM169

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5262238000
Semi-major axis (a)1.7005245000 AU
Inclination (i)6.27565000°
Long. of Asc. Node (Ω)210.58168000°
Arg. of Perihelion (ω)115.06109000°
Mean Anomaly (M)145.60422000°
Mean Motion (n)0.4444569800°/day
Perihelion dist (q)0.80566800 AU
Aphelion dist (Q)2.59538100 AU
Orbital Period2.21755470 yr
Physical Parameters
H (abs. magnitude)25.00
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.370″
Uncertainty5
Orbit TypeApollo
MOID0.002440 AU
Observations Used40
Oppositions1
Arc Total
First Observation Used
Last Observation Used2011-11-03
Observations (105)
Date Type RA Dec Mag Band Observatory
2011-10-26 11:07:44 C 04 14 32.487 +13 12 06.72 t F51
2011-10-27 09:01:03 C 04 02 46.82 +11 26 22.3 r 703
2011-10-27 09:13:07 C 04 02 40.74 +11 25 32.4 r 703
2011-10-27 09:25:22 C 04 02 34.62 +11 24 41.5 r 703
2011-10-27 09:37:43 C 04 02 28.42 +11 23 50.4 r 703
2011-10-27 18:15:29 C 03 58 44.24 +10 50 00.2 o 300
2011-10-27 18:19:22 C 03 58 42.47 +10 49 46.0 o 300
2011-10-27 18:27:09 C 03 58 39.11 +10 49 15.7 o 300
2011-10-28 00:15:00 C 03 56 28.86 +10 28 12.6 u 104
2011-10-28 00:20:01 C 03 56 26.81 +10 27 55.2 u 104
2011-10-28 00:25:51 C 03 56 24.46 +10 27 35.1 u 104
2011-10-28 06:33:53 C 03 54 15.71 +10 07 40.1 o 291
2011-10-28 06:36:25 C 03 54 14.74 +10 07 32.2 o 291
2011-10-28 06:38:54 C 03 54 13.78 +10 07 24.2 o 291
2011-10-30 05:06:45 C 03 41 27.71 +08 09 56.0 o 291
2011-10-30 05:10:26 C 03 41 26.78 +08 09 49.0 o 291
2011-10-30 05:14:09 C 03 41 25.89 +08 09 41.7 o 291
2011-10-30 05:28:13 C 03 41 18.00 +08 11 29.2 o 807
2011-10-30 05:36:10 C 03 41 16.02 +08 11 13.6 o 807
2011-10-30 05:43:16 C 03 41 14.27 +08 10 59.7 o 807
2011-10-31 03:50:27 C 03 36 57.00 +07 31 16.2 o 807
2011-10-31 03:57:16 C 03 36 55.63 +07 31 04.9 o 807
2011-10-31 04:04:03 C 03 36 54.23 +07 30 54.3 o 807
2011-10-31 04:10:45 C 03 36 52.87 +07 30 43.7 o 807
2011-11-01 03:09:24 C 03 33 09.69 +06 56 56.0 o 807
2011-11-01 03:18:39 C 03 33 08.12 +06 56 44.0 o 807
2011-11-01 03:27:51 C 03 33 06.53 +06 56 32.1 o 807
2011-11-01 03:37:04 C 03 33 04.94 +06 56 20.0 o 807
2011-11-02 03:22:52 C 03 29 50.52 +06 27 35.8 o 807
2011-11-02 03:33:15 C 03 29 48.98 +06 27 24.3 o 807
2011-11-02 03:42:53 C 03 29 47.58 +06 27 13.8 o 807
2011-11-02 03:51:19 C 03 29 46.35 +06 27 04.6 o 807
2011-11-02 04:54:14 C 03 29 38.37 +06 24 06.7 o H21
2011-11-02 05:05:20 C 03 29 36.75 +06 23 56.1 o H21
2011-11-02 05:16:48 C 03 29 35.11 +06 23 42.9 o H21
2011-11-02 06:54:25 C 03 29 21.01 +06 21 59.4 o H21
2011-11-02 07:06:55 C 03 29 19.22 +06 21 46.2 o H21
2011-11-02 07:19:33 C 03 29 17.41 +06 21 32.5 o H21
2011-11-03 02:51:25 C 03 27 06.98 +06 03 55.7 o 807
2011-11-03 03:01:37 C 03 27 05.69 +06 03 46.5 o 807
2011-10-23 05:17:53 C 02 09 50.94 +05 38 26.9 u H82
2011-10-23 05:37:58 C 02 09 50.09 +05 38 27.2 u H82
2011-10-23 05:53:34 C 02 09 49.71 +05 38 28.0 r G96
2011-10-23 05:58:49 C 02 09 49.32 +05 38 27.9 u H82
2011-10-23 06:06:54 C 02 09 49.14 +05 38 29.0 r G96
2011-10-23 06:20:29 C 02 09 48.60 +05 38 28.8 r G96
2011-10-23 06:33:58 C 02 09 48.02 +05 38 29.2 r G96
2011-10-31 07:20:54 C 02 01 48.79 +05 45 39.8 r G96
2011-10-31 07:31:34 C 02 01 48.32 +05 45 40.6 r G96
2011-10-31 07:42:25 C 02 01 47.85 +05 45 41.1 r G96