2011 UL169

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3773786892 ± 2.00e+00
Semi-major axis (a)1.4602410946 AU ± 3.00e+00
Inclination (i)6.81115597° ± 4.00e+00
Long. of Asc. Node (Ω)212.30127625° ± 5.00e+00
Arg. of Perihelion (ω)132.91663043° ± 6.00e+00
Mean Anomaly (M)11.78747644° ± 7.41e-02
Mean Motion (n)0.5585616100°/day ± 1.72e+00
Perihelion dist (q)0.90917530 AU ± 3.47e+00
Aphelion dist (Q)2.01128950 AU ± 5.06e+00
Orbital Period1.76454590 yr ± 5.44e+00
Physical Parameters
H (abs. magnitude)28.27
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.315″
Uncertainty2
Orbit TypeApollo
MOID0.000271 AU
Observations Used27
Oppositions1
Arc Total2011-2011
First Observation Used
Last Observation Used2011-10-31
Observations (30)
Date Type RA Dec Mag Band Observatory
2011-10-27 07:00:20 C 02 52 54.33 -02 05 44.9 r 703
2011-10-27 07:13:30 C 02 53 16.54 -02 07 12.2 r 703
2011-10-27 07:26:44 C 02 53 38.54 -02 08 40.4 r 703
2011-10-27 08:08:30 C 02 54 45.72 -02 13 04.6 r 703
2011-10-27 08:09:48 C 02 54 47.80 -02 13 12.9 r 703
2011-10-27 08:11:07 C 02 54 49.86 -02 13 21.4 r 703
2011-10-27 08:12:23 C 02 54 51.87 -02 13 29.1 r 703
2011-10-27 18:37:47 C 03 09 00.74 -03 01 49.8 o 300
2011-10-27 18:44:27 C 03 09 06.75 -03 02 11.4 o 300
2011-10-27 18:47:47 C 03 09 09.72 -03 02 22.3 o 300
2011-10-27 18:51:07 C 03 09 12.80 -03 02 32.5 o 300
2011-10-27 23:40:26 C 03 14 24.90 -03 18 57.7 u 104
2011-10-27 23:45:44 C 03 14 28.43 -03 19 12.1 u 104
2011-10-27 23:51:02 C 03 14 31.91 -03 19 26.2 u 104
2011-10-28 04:25:07 C 03 18 05.85 -03 14 53.0 c 821
2011-10-28 04:28:16 C 03 18 07.44 -03 14 59.7 c 821
2011-10-28 04:32:07 C 03 18 09.41 -03 15 10.1 c 821
2011-10-28 06:24:07 C 03 19 36.65 -03 32 25.3 o 291
2011-10-28 06:26:38 C 03 19 37.85 -03 32 30.6 o 291
2011-10-28 06:29:08 C 03 19 39.02 -03 32 36.0 o 291
2011-10-29 13:00:21 C 03 31 28.58 -04 09 40.2 F51
2011-10-29 13:18:46 C 03 31 31.21 -04 09 53.8 F51
2011-10-29 13:38:16 C 03 31 34.04 -04 10 07.4 F51
2011-10-29 13:55:39 C 03 31 36.66 -04 10 19.4 F51
2011-10-30 04:41:39 C 03 35 08.29 -04 14 11.3 o 807
2011-10-30 04:55:24 C 03 35 09.40 -04 14 19.8 o 807
2011-10-30 05:09:12 C 03 35 10.53 -04 14 28.1 o 807
2011-10-31 06:23:26 C 03 38 49.55 -04 30 54.7 o 291
2011-10-31 06:28:07 C 03 38 49.74 -04 30 56.3 o 291
2011-10-31 06:32:47 C 03 38 49.95 -04 30 58.4 o 291