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
2011-11-24 20:12:46 C 23 47 15.41 +31 11 50.8 u B15
2011-11-24 22:16:28 C 23 46 44.55 +31 17 42.1 r 203
2011-11-25 00:17:12 C 23 46 15.52 +31 23 08.9 r 203
2011-11-25 22:17:47 C 23 41 26.73 +32 20 46.6 r 203
2011-11-25 23:41:12 C 23 41 08.98 +32 24 02.0 r 203
2011-11-26 00:29:11 C 23 41 02.20 +32 26 19.8 u I15
2011-11-26 00:38:40 C 23 41 00.15 +32 26 42.6 u I15
2011-11-26 00:44:12 C 23 40 58.87 +32 26 56.0 u I15
2011-11-28 01:14:09 C 23 32 15.83 +34 09 55.8 u 448
2011-11-28 01:39:20 C 23 32 11.41 +34 10 43.7 u 448
2011-11-28 02:04:18 C 23 32 07.09 +34 11 30.1 u 448
2011-11-29 18:27:35 C 23 26 20.69 +35 19 23.3 u B15
2011-11-29 18:30:15 C 23 26 20.30 +35 19 27.5 u B15
2011-11-29 18:35:34 C 23 26 19.55 +35 19 35.9 u B15
2011-11-29 18:45:50 C 23 26 18.13 +35 19 51.7 u B15
2011-11-29 19:02:47 C 23 26 15.79 +35 20 17.2 u B15
2011-11-30 19:57:31 C 23 23 14.98 +35 56 28.3 u B15
2011-11-30 20:00:12 C 23 23 14.66 +35 56 31.7 u B15
2011-11-30 20:02:36 C 23 23 14.35 +35 56 35.0 u B15
2011-11-30 20:08:47 C 23 23 13.60 +35 56 43.1 u B15
2011-11-30 20:10:39 C 23 23 13.38 +35 56 45.6 u B15
2011-12-01 00:25:27 C 23 22 46.42 +36 02 46.9 o H21
2011-12-01 00:34:54 C 23 22 45.23 +36 02 59.6 o H21
2011-12-01 00:43:24 C 23 22 44.18 +36 03 11.2 o H21
2012-01-02 02:22:21 C 23 09 42.46 +44 11 14.1 o 291
2012-01-02 02:31:43 C 23 09 42.59 +44 11 18.0 o 291
2012-01-02 02:41:05 C 23 09 42.82 +44 11 20.9 o 291
2012-01-06 03:04:57 C 23 12 22.06 +44 53 06.8 o 291
2012-01-06 03:32:19 C 23 12 22.80 +44 53 17.5 o 291
2014-12-18 05:29:14 C 22 51 21.693 -11 44 02.97 t 568
2014-12-18 05:39:53 C 22 51 23.043 -11 43 35.60 t 568
2014-12-19 05:27:18 C 22 54 27.088 -10 43 00.36 t 568
2014-12-19 05:37:55 C 22 54 28.416 -10 42 33.43 t 568
2014-12-19 05:48:29 C 22 54 29.722 -10 42 06.69 t 568
2014-12-19 05:59:07 C 22 54 31.052 -10 41 39.69 t 568
2014-12-19 06:16:03 C 22 54 33.167 -10 40 56.81 t 568
2014-12-19 06:27:12 C 22 54 34.560 -10 40 28.56 t 568
2018-11-08 01:18:12 C 06 48 25.54 +02 02 21.3 V Z80
2018-11-08 01:24:39 C 06 48 22.38 +02 03 33.7 V Z80
2018-11-08 01:31:16 C 06 48 19.20 +02 04 48.3 V Z80
2018-11-08 13:00:54 C 06 42 40.11 +04 19 12.8 o 691
2018-11-08 13:03:31 C 06 42 38.73 +04 19 44.0 o 691
2018-11-08 13:04:48 C 06 42 38.04 +04 19 59.3 o 691
2018-11-09 14:46:27 C 06 28 47.23 +09 47 58.7 U T05
2018-11-09 14:50:48 C 06 28 44.55 +09 48 57.3 U T05
2018-11-09 15:13:07 C 06 28 30.87 +09 53 57.3 U T05
2018-11-09 15:29:57 C 06 28 20.53 +09 57 44.3 U T05
2018-11-13 13:25:07 C 05 15 24.95 +33 22 52.9 U T05
2018-11-13 13:38:34 C 05 15 11.04 +33 26 10.5 U T05
2018-11-13 14:04:15 C 05 14 44.43 +33 32 26.8 U T05