2011 UO91

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3949905460 ± 2.00e+00
Semi-major axis (a)1.1978368111 AU ± 3.00e+00
Inclination (i)5.65684773° ± 4.00e+00
Long. of Asc. Node (Ω)28.65056039° ± 5.00e+00
Arg. of Perihelion (ω)261.51405239° ± 6.00e+00
Mean Anomaly (M)314.72324152° ± 5.24e-01
Mean Motion (n)0.7518440600°/day ± 2.82e+00
Perihelion dist (q)0.72459050 AU ± 3.01e+00
Aphelion dist (Q)1.67100890 AU ± 4.82e+00
Orbital Period1.31092030 yr ± 4.92e+00
Physical Parameters
H (abs. magnitude)25.36
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.223″
Uncertainty3
Orbit TypeApollo
MOID0.012117 AU
Observations Used28
Oppositions1
Arc Total2011-2011
First Observation Used
Last Observation Used2011-10-29
Observations (31)
Date Type RA Dec Mag Band Observatory
2011-10-22 05:25:44 C 00 40 46.84 +01 29 55.7 r G96
2011-10-22 05:36:42 C 00 40 46.95 +01 30 44.8 r G96
2011-10-22 05:47:40 C 00 40 47.02 +01 31 33.6 r G96
2011-10-22 05:58:31 C 00 40 47.13 +01 32 21.9 r G96
2011-10-22 07:33:28 C 00 40 47.65 +01 39 17.7 o H01
2011-10-22 07:43:45 C 00 40 47.78 +01 40 02.4 o H01
2011-10-22 07:55:05 C 00 40 47.92 +01 40 52.0 o H01
2011-10-22 08:03:02 C 00 40 48.04 +01 41 26.5 o H01
2011-10-23 00:15:33 C 00 41 24.21 +02 47 27.4 u 104
2011-10-23 00:48:22 C 00 41 24.77 +02 49 32.4 u 104
2011-10-23 03:56:41 C 00 41 35.85 +03 01 29.2 t H21
2011-10-23 03:57:50 C 00 41 38.41 +03 01 46.1 o 291
2011-10-23 04:02:41 C 00 41 38.44 +03 02 04.0 o 291
2011-10-23 04:09:41 C 00 41 36.01 +03 02 18.1 t H21
2011-10-23 04:22:36 C 00 41 36.12 +03 03 06.2 t H21
2011-10-23 04:41:45 C 00 41 38.30 +03 04 25.9 o H01
2011-10-23 04:52:07 C 00 41 38.38 +03 05 04.2 o H01
2011-10-23 05:05:48 C 00 41 38.48 +03 05 54.9 o H01
2011-10-23 05:15:07 C 00 41 38.55 +03 06 29.3 o H01
2011-10-23 21:32:40 C 00 42 10.14 +04 02 43.3 t 204
2011-10-23 22:08:50 C 00 42 10.47 +04 04 41.2 t 204
2011-10-24 03:27:21 C 00 42 23.71 +04 21 53.8 o H01
2011-10-24 03:37:22 C 00 42 23.80 +04 22 25.4 o H01
2011-10-24 03:52:39 C 00 42 23.93 +04 23 13.5 o H01
2011-10-24 04:05:36 C 00 42 24.44 +04 23 58.3 o 291
2011-10-24 04:08:26 C 00 42 24.52 +04 24 06.1 o 291
2011-10-24 04:08:41 C 00 42 24.06 +04 24 03.8 o H01
2011-10-24 04:11:16 C 00 42 24.54 +04 24 14.5 o 291
2011-10-29 03:04:35 C 00 45 25.87 +08 44 18.1 o H21
2011-10-29 03:25:15 C 00 45 26.01 +08 44 49.6 o H21
2011-10-29 03:45:00 C 00 45 26.14 +08 45 20.0 o H21