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
2011-11-17 03:51:27 C 01 04 56.79 +13 01 50.8 o 807
2011-11-17 04:23:11 C 01 04 38.38 +13 05 36.2 17.5 c 704
2011-11-17 04:42:16 C 01 04 24.52 +13 09 09.1 17.5 c 704
2011-11-17 05:01:12 C 01 04 10.78 +13 12 39.5 18.0 c 704
2011-11-17 05:19:31 C 01 03 57.61 +13 16 02.7 17.6 c 704
2011-11-17 05:37:52 C 01 03 44.40 +13 19 25.3 17.4 c 704
2011-11-17 16:29:32 C 00 56 36.93 +15 14 02.8 u C73
2011-11-17 16:30:24 C 00 56 36.29 +15 14 13.4 u C73
2011-11-17 16:31:10 C 00 56 35.84 +15 14 19.6 u C73
2011-11-17 16:31:59 C 00 56 35.27 +15 14 29.7 u C73
2011-11-17 16:32:50 C 00 56 34.83 +15 14 34.7 u C73
2011-11-17 16:33:37 C 00 56 34.20 +15 14 45.9 u C73
2011-11-17 16:34:27 C 00 56 33.64 +15 14 53.4 u C73
2011-11-17 16:35:17 C 00 56 33.20 +15 15 01.7 u C73
2011-11-17 16:36:07 C 00 56 32.61 +15 15 09.6 u C73
2011-11-17 16:36:52 C 00 56 32.03 +15 15 18.0 u C73
2011-11-17 16:37:42 C 00 56 31.47 +15 15 27.4 u C73
2011-11-17 16:38:33 C 00 56 30.92 +15 15 35.0 u C73
2011-11-17 16:39:19 C 00 56 30.40 +15 15 43.6 u C73
2011-11-17 16:40:07 C 00 56 29.91 +15 15 50.8 u C73
2011-11-17 16:40:54 C 00 56 29.48 +15 15 58.2 u C73
2011-11-17 16:41:43 C 00 56 28.83 +15 16 08.1 u C73
2011-11-17 16:42:31 C 00 56 28.28 +15 16 17.2 u C73
2011-11-17 16:43:20 C 00 56 27.76 +15 16 24.6 u C73
2011-11-17 16:44:11 C 00 56 27.30 +15 16 31.3 u C73
2011-11-17 16:44:56 C 00 56 26.70 +15 16 40.4 u C73
2011-11-17 16:45:44 C 00 56 26.22 +15 16 47.4 u C73
2011-11-17 16:46:31 C 00 56 25.69 +15 16 55.9 u C73
2011-11-17 16:47:17 C 00 56 25.11 +15 17 04.3 u C73
2011-11-17 16:48:08 C 00 56 24.62 +15 17 12.0 u C73
2011-11-17 16:48:57 C 00 56 24.11 +15 17 20.2 u C73
2011-11-17 16:49:42 C 00 56 23.49 +15 17 29.0 u C73
2011-11-17 16:50:31 C 00 56 22.94 +15 17 37.8 u C73
2011-11-17 16:51:17 C 00 56 22.56 +15 17 44.2 u C73
2011-11-17 16:52:03 C 00 56 22.05 +15 17 52.8 u C73
2011-11-17 16:53:38 C 00 56 21.04 +15 18 07.6 u C73
2011-11-18 00:19:28 C 00 51 33.64 +16 30 49.3 u J95
2011-11-18 00:37:02 C 00 51 22.60 +16 33 35.2 u J95
2011-11-18 00:53:41 C 00 51 12.20 +16 36 11.7 u J95
2011-11-18 05:14:05 C 00 48 35.58 +17 17 01.6 o H21
2011-11-18 05:19:12 C 00 48 32.41 +17 17 48.5 o H21
2011-11-18 05:21:19 C 00 48 31.09 +17 18 07.6 o H21
2011-11-18 05:23:58 C 00 48 29.47 +17 18 31.2 o H21
2011-11-18 05:25:49 C 00 48 28.33 +17 18 48.2 o H21
2011-11-18 05:27:56 C 00 48 27.03 +17 19 07.4 o H21
2011-11-18 05:30:19 C 00 48 25.55 +17 19 28.9 o H21
2011-11-18 18:36:22 C 00 41 02.07 +19 12 51.1 u 157
2011-11-18 18:39:01 C 00 41 00.58 +19 13 13.1 u 157
2011-11-18 18:41:40 C 00 40 59.04 +19 13 34.8 u 157
2011-11-18 18:44:45 C 00 40 55.39 +19 13 53.2 u 089