2011 WA

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2856984117 ± 1.84e-07
Semi-major axis (a)0.8446523842 AU ± 2.49e-09
Inclination (i)30.38568050° ± 2.51e-05
Long. of Asc. Node (Ω)51.50711006° ± 1.35e-06
Arg. of Perihelion (ω)206.10810703° ± 3.53e-05
Mean Anomaly (M)153.88928146° ± 6.64e-05
Mean Motion (n)1.2696828625°/day ± 5.61e-09
Perihelion dist (q)0.60333654 AU ± 1.55e-07
Aphelion dist (Q)1.08596823 AU ± 1.55e-07
Orbital Period0.77627754 yr ± 3.43e-09
NGA Modelr2
A2-5.98275154e-14 ± 5.47e-15 AU/d²
Physical Parameters
H (abs. magnitude)21.68
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.364″
Uncertainty0
Orbit TypeAten
MOID0.049370 AU
Observations Used283
Oppositions4
Arc Total2011-2025
First Observation Used2011-11-16
Last Observation Used2025-11-18
Observations (289)
Date Type RA Dec Mag Band Observatory
2011-11-16 04:45:26 C 01 22 13.72 +08 16 05.1 r 703
2011-11-16 04:52:44 C 01 22 07.64 +08 17 42.7 r 703
2011-11-16 05:00:08 C 01 22 01.56 +08 19 21.1 r 703
2011-11-16 05:07:29 C 01 21 55.36 +08 20 59.8 r 703
2011-11-16 05:40:50 C 01 21 27.04 +08 28 22.3 c H06
2011-11-16 05:41:11 C 01 21 27.23 +08 28 29.6 o G48
2011-11-16 05:41:39 C 01 21 26.35 +08 28 32.6 c H06
2011-11-16 05:42:30 C 01 21 25.68 +08 28 43.5 c H06
2011-11-16 05:42:44 C 01 21 25.95 +08 28 49.7 o G48
2011-11-16 05:43:18 C 01 21 25.05 +08 28 54.5 c H06
2011-11-16 05:43:30 C 01 21 25.28 +08 29 00.1 o G48
2011-11-16 05:44:07 C 01 21 24.35 +08 29 04.9 c H06
2011-11-16 05:44:18 C 01 21 24.65 +08 29 10.6 o G48
2011-11-16 05:44:56 C 01 21 23.71 +08 29 16.6 c H06
2011-11-16 05:45:04 C 01 21 24.06 +08 29 20.2 o G48
2011-11-16 05:45:44 C 01 21 22.96 +08 29 27.4 c H06
2011-11-16 05:46:34 C 01 21 22.32 +08 29 38.6 c H06
2011-11-16 05:51:24 C 01 21 18.79 +08 30 44.3 o G48
2011-11-16 05:52:09 C 01 21 18.16 +08 30 54.4 o G48
2011-11-16 05:52:55 C 01 21 17.49 +08 31 05.3 o G48
2011-11-16 05:53:41 C 01 21 16.91 +08 31 14.7 o G48
2011-11-16 05:54:29 C 01 21 16.20 +08 31 25.7 o G48
2011-11-16 05:55:15 C 01 21 15.57 +08 31 35.3 o G48
2011-11-16 06:06:50 C 01 21 06.40 +08 34 08.4 o 291
2011-11-16 06:07:31 C 01 21 05.84 +08 34 17.0 o 291
2011-11-16 06:08:11 C 01 21 05.26 +08 34 26.8 o 291
2011-11-16 06:18:31 C 01 20 52.25 +08 38 56.2 o 807
2011-11-16 06:20:27 C 01 20 50.68 +08 39 22.0 o 807
2011-11-16 06:22:24 C 01 20 49.10 +08 39 47.5 o 807
2011-11-16 06:22:47 C 01 20 48.81 +08 39 52.5 o 807
2011-11-16 06:25:03 C 01 20 46.96 +08 40 21.9 o 807
2011-11-16 06:27:00 C 01 20 45.41 +08 40 47.7 o 807
2011-11-16 06:47:45 C 01 20 32.64 +08 43 07.5 c 854
2011-11-16 06:48:20 C 01 20 32.19 +08 43 15.7 c 854
2011-11-16 06:48:55 C 01 20 31.68 +08 43 23.1 c 854
2011-11-16 08:08:45 C 01 19 27.54 +09 00 28.1 17.0 r 718
2011-11-16 08:13:14 C 01 19 23.98 +09 01 25.8 16.8 r 718
2011-11-16 08:19:14 C 01 19 19.15 +09 02 43.9 17.0 r 718
2011-11-16 08:26:13 C 01 19 13.57 +09 04 14.3 16.9 r 718
2011-11-16 09:42:10 C 01 18 25.06 +09 20 51.2 u 900
2011-11-16 09:46:03 C 01 18 21.96 +09 21 41.0 u 900
2011-11-16 09:49:55 C 01 18 18.85 +09 22 31.2 u 900
2011-11-16 16:04:00 C 01 13 23.62 +10 40 56.2 u 900
2011-11-16 16:05:15 C 01 13 22.90 +10 41 12.4 o 300
2011-11-16 16:07:06 C 01 13 21.48 +10 41 35.5 o 300
2011-11-16 16:08:51 C 01 13 19.89 +10 41 55.1 u 900
2011-11-16 16:08:55 C 01 13 20.09 +10 41 57.7 o 300
2011-11-16 17:37:58 C 01 12 24.75 +10 59 48.3 u 160
2011-11-16 17:40:20 C 01 12 22.94 +11 00 17.5 u 160
2011-11-16 17:42:43 C 01 12 21.15 +11 00 46.6 u 160