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
2011-11-18 18:50:37 C 00 40 52.00 +19 14 41.3 u 089
2011-11-18 18:53:33 C 00 40 50.32 +19 15 05.6 u 089
2011-11-18 18:56:29 C 00 40 48.65 +19 15 28.9 u 089
2011-11-18 19:02:21 C 00 40 45.31 +19 16 17.2 u 089
2011-11-18 20:17:07 C 00 40 04.642 +19 26 30.60 17.4 o 632
2011-11-18 20:19:45 C 00 40 03.099 +19 26 51.87 17.0 o 632
2011-11-18 20:21:03 C 00 40 02.422 +19 27 02.64 17.4 o 632
2011-11-18 21:29:47 C 00 39 23.52 +19 36 13.8 u 160
2011-11-18 21:33:04 C 00 39 21.64 +19 36 40.1 u 160
2011-11-18 21:37:31 C 00 39 19.18 +19 37 15.9 u 160
2011-11-18 23:33:53 C 00 38 22.03 +19 52 41.0 u 932
2011-11-18 23:39:40 C 00 38 18.82 +19 53 27.2 u 932
2011-11-18 23:45:29 C 00 38 15.58 +19 54 13.0 u 932
2011-11-18 23:57:03 C 00 38 09.13 +19 55 44.5 u 932
2011-11-19 00:07:41 C 00 38 03.25 +19 57 08.5 u 932
2011-11-19 20:54:49 C 00 27 36.65 +22 27 07.7 u 160
2011-11-19 20:56:52 C 00 27 35.63 +22 27 21.4 u 160
2011-11-19 20:58:53 C 00 27 34.66 +22 27 34.9 u 160
2011-11-20 23:05:21 C 00 16 12.74 +25 03 44.8 u B15
2011-11-20 23:14:11 C 00 16 09.13 +25 04 31.8 u B15
2011-11-20 23:23:03 C 00 16 05.48 +25 05 18.7 u B15
2011-11-20 23:40:47 C 00 15 58.24 +25 06 52.8 u B15
2011-11-20 23:44:07 C 00 15 56.89 +25 07 10.4 u B15
2011-11-21 18:18:51 C 00 08 59.00 +26 40 46.7 u B15
2011-11-21 18:19:14 C 00 08 58.90 +26 40 48.4 u B15
2011-11-21 18:19:35 C 00 08 58.75 +26 40 50.3 u B15
2011-11-21 18:19:58 C 00 08 58.59 +26 40 52.3 u B15
2011-11-21 20:05:35 C 00 08 19.16 +26 49 13.2 t 130
2011-11-21 20:07:46 C 00 08 18.33 +26 49 22.8 t 130
2011-11-21 20:22:56 C 00 08 12.67 +26 50 33.2 t 130
2011-11-21 20:25:28 C 00 08 11.74 +26 50 44.2 t 130
2011-11-22 19:31:12 C 00 00 31.97 +28 28 54.2 o 639
2011-11-22 19:41:02 C 00 00 28.73 +28 29 32.6 o 639
2011-11-22 20:00:33 C 00 00 22.38 +28 30 47.9 o 639
2011-11-23 04:58:56 C 23 57 38.44 +29 05 10.3 o 695
2011-11-23 04:59:54 C 23 57 38.14 +29 05 13.7 o 695
2011-11-23 05:00:51 C 23 57 37.83 +29 05 17.3 o 695
2011-11-23 19:35:05 C 23 53 31.72 +29 55 58.8 c 046
2011-11-23 19:36:20 C 23 53 31.35 +29 56 01.2 c 046
2011-11-23 19:37:36 C 23 53 30.94 +29 56 04.9 c 046
2011-11-23 19:38:47 C 23 53 30.60 +29 56 07.9 c 046
2011-11-23 19:44:50 C 23 53 28.98 +29 56 29.7 c 046
2011-11-24 04:27:34 C 23 51 09.46 +30 25 01.2 r 703
2011-11-24 04:38:13 C 23 51 06.51 +30 25 32.9 r 703
2011-11-24 04:48:51 C 23 51 03.56 +30 26 06.3 r 703
2011-11-24 04:59:31 C 23 51 00.64 +30 26 39.0 r 703
2011-11-24 20:06:53 C 23 47 16.91 +31 11 34.3 u B15
2011-11-24 20:07:52 C 23 47 16.65 +31 11 37.0 u B15
2011-11-24 20:09:49 C 23 47 16.16 +31 11 42.6 u B15
2011-11-24 20:11:48 C 23 47 15.66 +31 11 48.0 u B15