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
2011-10-31 07:53:12 C 02 01 47.38 +05 45 41.5 r G96
2011-11-17 01:43:53 C 01 47 06.15 +06 24 26.3 o 691
2011-11-17 02:22:25 C 01 47 04.99 +06 24 32.9 o 691
2011-11-17 03:22:51 C 01 47 03.08 +06 24 41.4 o 691
2017-01-29 08:28:13 C 09 01 16.711 +33 02 21.33 L F51
2017-01-29 08:45:34 C 09 01 15.897 +33 02 24.75 L F51
2017-01-29 09:02:51 C 09 01 15.089 +33 02 28.32 L F51
2017-02-01 08:12:22 C 08 58 03.85 +33 15 19.9 q G96
2017-02-01 08:20:35 C 08 58 03.50 +33 15 21.3 q G96
2017-02-01 08:26:49 C 08 58 03.17 +33 15 23.1 q G96
2017-02-01 08:33:08 C 08 58 02.88 +33 15 23.8 q G96
2017-02-21 07:20:36 C 08 39 17.179 +33 46 42.33 L F51
2017-02-21 07:37:31 C 08 39 16.654 +33 46 41.93 L F51
2017-02-21 07:54:33 C 08 39 16.097 +33 46 41.39 L F51
2020-10-14 07:25:01 C 03 45 43.13 +16 17 26.0 V G96
2020-10-14 07:34:28 C 03 45 42.97 +16 17 27.5 V G96
2020-10-14 07:41:49 C 03 45 42.84 +16 17 28.6 V G96
2020-10-14 07:49:10 C 03 45 42.74 +16 17 29.7 V G96
2020-10-15 14:10:33 C 03 45 12.438 +16 21 55.53 U F51
2020-10-15 14:28:47 C 03 45 12.089 +16 21 58.02 U F51
2020-10-15 14:46:59 C 03 45 11.745 +16 22 00.72 U F51
2020-10-15 15:05:22 C 03 45 11.395 +16 22 03.18 U F51
2020-10-23 10:10:26 C 03 40 55.48 +16 48 18.0 V G96
2020-10-23 10:17:45 C 03 40 55.26 +16 48 19.2 V G96
2020-10-23 10:25:02 C 03 40 55.05 +16 48 20.2 V G96
2020-10-23 10:32:19 C 03 40 54.83 +16 48 21.1 V G96
2020-11-07 16:04:56 C 03 27 46.44 +17 35 15.5 q D29
2020-11-07 16:35:30 C 03 27 45.13 +17 35 19.5 q D29
2020-11-07 17:06:02 C 03 27 43.74 +17 35 23.7 q D29
2020-11-11 06:35:58 C 03 24 04.09 +17 45 30.2 V G96
2020-11-11 06:43:20 C 03 24 03.77 +17 45 31.1 V G96
2020-11-11 06:50:43 C 03 24 03.42 +17 45 31.9 V G96
2020-11-11 06:58:05 C 03 24 03.09 +17 45 32.5 V G96
2020-11-17 07:56:23 C 03 17 41.696 +18 02 08.33 U F51
2020-11-17 08:14:17 C 03 17 40.879 +18 02 10.39 U F51
2020-11-17 08:32:09 C 03 17 40.062 +18 02 12.49 U F51
2020-11-17 08:50:05 C 03 17 39.240 +18 02 14.50 U F51
2020-11-23 05:32:56 C 03 11 37.48 +18 17 58.8 V G96
2020-11-23 05:40:19 C 03 11 37.16 +18 17 59.6 V G96
2020-11-23 05:47:41 C 03 11 36.86 +18 18 00.3 V G96
2020-12-04 05:36:30 C 03 01 49.05 +18 48 29.0 V G96
2020-12-04 05:43:57 C 03 01 48.79 +18 48 29.8 V G96
2020-12-04 05:51:25 C 03 01 48.56 +18 48 31.2 V G96
2020-12-04 05:58:52 C 03 01 48.26 +18 48 32.0 V G96
2021-01-16 07:49:48 C 03 00 24.322 +21 46 43.69 U F51
2021-01-16 08:43:22 C 03 00 25.826 +21 46 55.86 U F51
2024-08-10 12:53:17 C 23 23 46.237 -20 23 03.89 X F52
2024-08-10 13:08:25 C 23 23 45.881 -20 23 07.99 X F52
2024-08-10 13:23:33 C 23 23 45.552 -20 23 11.56 X F52
2024-08-15 13:06:01 C 23 20 53.174 -20 54 32.43 X F52