2011 UW255

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4920299062 ± 4.32e+01
Semi-major axis (a)1.3804284721 AU ± 6.47e+01
Inclination (i)9.71278029° ± 1.53e+03
Long. of Asc. Node (Ω)217.17602764° ± 1.10e+03
Arg. of Perihelion (ω)82.94279034° ± 2.39e+03
Mean Anomaly (M)278.04862755° ± 3.34e+05
Mean Motion (n)0.6077060300°/day ± 4.27e+01
Perihelion dist (q)0.70129020 AU ± 6.80e+01
Aphelion dist (Q)2.05952300 AU ± 1.13e+02
Orbital Period1.62184950 yr ± 1.14e+02
Physical Parameters
H (abs. magnitude)23.88
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-18
RMS Residual0.306″
Uncertainty3
Orbit TypeApollo
MOID0.006829 AU
Observations Used29
Oppositions2
Arc Total2011-2011
First Observation Used
Last Observation Used2024-11-02
Observations (33)
Date Type RA Dec Mag Band Observatory
2011-10-30 03:51:06 C 23 58 05.95 +07 56 25.9 r G96
2011-10-30 04:00:02 C 23 58 10.12 +07 56 01.5 r G96
2011-10-30 04:09:10 C 23 58 14.41 +07 55 35.4 r G96
2011-10-30 04:18:14 C 23 58 18.58 +07 55 10.2 r G96
2011-10-30 06:00:23 C 23 59 05.74 +07 50 26.3 r G96
2011-10-30 06:01:11 C 23 59 06.10 +07 50 24.1 r G96
2011-10-30 06:02:01 C 23 59 06.46 +07 50 21.8 r G96
2011-10-30 06:02:51 C 23 59 06.86 +07 50 19.4 r G96
2011-10-30 07:12:18 C 23 59 38.78 +07 47 08.6 o 291
2011-10-30 07:14:58 C 23 59 39.99 +07 47 01.2 o 291
2011-10-30 07:17:39 C 23 59 41.22 +07 46 53.8 o 291
2011-10-30 16:53:38 C 00 04 11.35 +07 21 14.1 u B18
2011-10-30 16:55:39 C 00 04 12.20 +07 21 09.7 u B18
2011-10-30 22:00:19 C 00 06 23.47 +07 08 14.7 u I93
2011-10-30 22:07:54 C 00 06 26.62 +07 07 55.8 u I93
2011-10-30 22:15:06 C 00 06 29.63 +07 07 37.6 u I93
2011-10-31 02:02:55 C 00 08 10.48 +06 58 31.8 o 291
2011-10-31 02:05:26 C 00 08 11.49 +06 58 26.1 o 291
2011-10-31 02:07:55 C 00 08 12.52 +06 58 20.2 o 291
2011-10-31 03:43:48 C 00 08 49.51 +06 54 22.6 u H36
2011-10-31 03:50:04 C 00 08 52.07 +06 54 06.8 u H36
2011-10-31 03:56:19 C 00 08 54.54 +06 53 52.6 u H36
2011-10-31 20:19:38 C 00 15 24.24 +06 16 44.9 t J04
2011-10-31 20:32:35 C 00 15 28.85 +06 16 16.8 t J04
2011-10-31 20:48:16 C 00 15 34.43 +06 15 43.4 t J04
2011-11-01 00:28:43 C 00 16 56.20 +06 07 39.1 o H21
2011-11-01 00:44:38 C 00 17 01.82 +06 07 06.4 o H21
2011-11-01 00:49:52 C 00 17 03.65 +06 06 55.7 o H21
2011-11-01 00:55:28 C 00 17 05.61 +06 06 44.0 o H21
2011-11-02 03:13:25 C 00 25 53.55 +05 15 47.9 o H21
2011-11-02 03:18:59 C 00 25 55.19 +05 15 38.1 o H21
2011-11-02 03:24:11 C 00 25 56.72 +05 15 29.0 o H21
2011-11-02 03:29:22 C 00 25 58.22 +05 15 19.8 o H21