2011 UM147

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5356973000 ± 2.00e+00
Semi-major axis (a)2.6636316000 AU ± 3.00e+00
Inclination (i)6.45007000° ± 4.00e+00
Long. of Asc. Node (Ω)250.14360000° ± 5.00e+00
Arg. of Perihelion (ω)63.28146000° ± 6.00e+00
Mean Anomaly (M)119.51583000°
Mean Motion (n)0.2267215700°/day ± 3.83e-01
Perihelion dist (q)1.23673130 AU ± 5.51e+00
Aphelion dist (Q)4.09053190 AU ± 7.04e+00
Orbital Period4.34721620 yr ± 7.34e+00
Physical Parameters
H (abs. magnitude)18.61
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.860″
Uncertainty0
Orbit TypeAmor
MOID0.246232 AU
Observations Used139
Oppositions4
Arc Total2002-2025
First Observation Used
Last Observation Used2025-01-20
Observations (256)
Date Type RA Dec Mag Band Observatory
2011-09-28 07:47:58 C 02 12 41.89 +07 11 34.8 o 691
2011-09-28 08:13:28 C 02 12 41.39 +07 11 33.0 o 691
2011-10-17 04:34:56 C 01 59 44.73 +06 27 09.6 N I41
2011-10-17 05:38:52 C 01 59 42.25 +06 27 02.9 N I41
2011-10-20 07:57:12 C 01 56 54.49 +06 19 41.6 r G96
2011-10-20 08:07:46 C 01 56 54.02 +06 19 40.8 r G96
2011-10-20 08:18:29 C 01 56 53.59 +06 19 39.7 r G96
2011-10-20 08:29:04 C 01 56 53.16 +06 19 38.6 r G96
2011-10-21 05:04:31 C 01 56 06.65 +06 17 41.6 N I41
2011-10-21 06:08:51 C 01 56 04.06 +06 17 36.0 N I41
2011-10-22 05:01:12 C 01 55 11.67 +06 15 31.2 N I41
2011-10-22 06:07:49 C 01 55 08.96 +06 15 25.1 N I41
2011-10-23 05:03:00 C 01 54 16.39 +06 13 23.5 N I41
2011-10-23 06:05:39 C 01 54 13.78 +06 13 17.8 N I41
2011-10-30 06:55:41 C 01 47 51.75 +06 01 26.9 r G96
2011-10-30 07:07:32 C 01 47 51.36 +06 01 25.6 r G96
2011-10-30 07:19:26 C 01 47 51.00 +06 01 24.9 r G96
2011-10-30 07:31:22 C 01 47 50.46 +06 01 24.3 r G96
2016-01-29 08:30:26 C 09 08 11.00 +21 44 04.5 q G96
2016-01-29 08:38:06 C 09 08 10.61 +21 44 06.1 q G96
2016-01-29 08:45:48 C 09 08 10.23 +21 44 06.8 q G96
2016-01-29 08:53:31 C 09 08 09.81 +21 44 09.3 q G96
2016-02-05 12:51:21 C 09 00 03.618 +22 22 12.62 L F51
2016-02-05 13:27:24 C 09 00 01.868 +22 22 20.11 L F51
2016-02-05 13:45:23 C 09 00 01.030 +22 22 23.74 L F51
2018-10-10 13:43:59 C 03 09 45.500 +13 03 28.69 U F52
2018-10-10 14:01:03 C 03 09 45.156 +13 03 28.25 U F52
2018-10-12 00:59:26 C 03 09 06.31 +13 02 36.5 V L01
2018-10-12 01:39:35 C 03 09 05.44 +13 02 35.2 V L01
2018-10-12 01:44:03 C 03 09 05.33 +13 02 35.6 V L01
2018-10-13 23:32:31 C 03 08 07.05 +13 01 16.9 V L01
2018-10-13 23:44:51 C 03 08 06.77 +13 01 16.1 V L01
2018-11-01 08:05:34 C 02 53 22.374 +12 40 06.40 U F52
2018-11-01 08:24:51 C 02 53 21.537 +12 40 05.47 U F52
2018-11-01 09:03:36 C 02 53 19.857 +12 40 03.45 U F52
2018-11-02 08:44:13 C 02 52 21.26 +12 38 45.3 V G96
2018-11-02 08:51:37 C 02 52 20.93 +12 38 44.9 V G96
2018-11-02 08:59:01 C 02 52 20.65 +12 38 44.5 V G96
2018-11-02 09:06:23 C 02 52 20.28 +12 38 44.3 V G96
2018-11-10 07:16:15 C 02 44 30.30 +12 29 54.9 V G96
2018-11-10 07:23:38 C 02 44 29.97 +12 29 54.8 V G96
2018-11-10 07:31:02 C 02 44 29.67 +12 29 54.0 V G96
2018-11-10 07:38:26 C 02 44 29.35 +12 29 54.0 V G96
2018-12-04 04:17:44 C 02 27 42.69 +12 40 55.8 V G96
2018-12-04 04:25:52 C 02 27 42.57 +12 40 56.9 V G96
2018-12-04 04:34:00 C 02 27 42.44 +12 40 56.9 V G96
2018-12-04 04:42:08 C 02 27 42.30 +12 40 58.0 V G96
2025-09-03 13:19:55 C 03 42 02.131 +15 59 24.07 X F52
2025-09-03 13:56:59 C 03 42 04.139 +15 59 31.12 X F52
2025-09-03 14:15:57 C 03 42 05.152 +15 59 34.71 X F52