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
2018-11-13 14:04:55 C 05 14 43.76 +33 32 36.3 U T05
2018-11-13 14:08:22 C 05 14 40.21 +33 33 26.7 U T05
2018-11-13 23:22:13 C 05 05 23.17 +35 46 40.3 V 246
2018-11-13 23:23:08 C 05 05 22.23 +35 46 52.5 V 246
2018-11-13 23:23:55 C 05 05 21.36 +35 47 04.0 V 246
2018-11-13 23:24:14 C 05 05 21.00 +35 47 09.0 V 246
2018-11-13 23:25:36 C 05 05 19.52 +35 47 28.3 V 246
2018-11-18 21:01:53 C 02 42 16.27 +54 13 11.0 V Z43
2018-11-18 21:09:51 C 02 42 06.20 +54 13 46.3 V Z43
2018-11-18 21:20:05 C 02 41 53.28 +54 14 30.6 17.3 V Z43
2018-11-18 21:25:41 C 02 41 46.23 +54 14 55.0 17.7 V Z43
2018-11-18 21:29:55 C 02 41 40.86 +54 15 14.0 17.4 V Z43
2018-11-20 08:49:32 C 02 00 15.389 +56 05 04.26 U F52
2018-11-20 09:09:07 C 01 59 53.002 +56 05 43.66 U F52
2018-11-20 09:48:05 C 01 59 08.558 +56 06 59.63 U F52
2025-10-23 12:25:12 C 08 04 15.930 -09 06 46.40 V 291
2025-10-23 12:26:47 C 08 04 15.890 -09 06 41.90 V 291
2025-10-30 10:26:29 C 07 59 43.393 +01 35 03.26 V G96
2025-10-30 10:33:55 C 07 59 43.033 +01 35 39.88 V G96
2025-10-30 10:48:48 C 07 59 42.331 +01 36 51.84 V G96
2025-11-04 11:05:51 C 07 53 35.315 +13 20 06.07 V G96
2025-11-04 11:14:41 C 07 53 34.609 +13 21 07.31 V G96
2025-11-04 11:23:30 C 07 53 33.868 +13 22 08.44 V G96
2025-11-04 11:32:19 C 07 53 33.126 +13 23 10.14 V G96
2025-11-11 22:20:34 C 07 32 44.280 +39 12 22.25 X B67
2025-11-11 22:27:34 C 07 32 42.847 +39 13 34.03 X B67
2025-11-11 22:34:24 C 07 32 41.537 +39 14 43.44 X B67
2025-11-14 08:54:21 C 07 18 46.494 +49 09 27.54 V 703
2025-11-14 08:57:48 C 07 18 45.418 +49 10 03.00 V 703
2025-11-14 09:01:14 C 07 18 44.485 +49 10 38.93 V 703
2025-11-15 02:14:12 C 07 13 22.342 +52 05 04.63 V R17
2025-11-15 02:34:33 C 07 13 15.014 +52 08 31.45 V R17
2025-11-15 02:54:56 C 07 13 07.632 +52 11 58.78 V R17
2025-11-15 03:15:17 C 07 13 00.235 +52 15 26.64 V R17
2025-11-18 01:43:50 B 06 40 47.726 +63 27 18.25 X K19
2025-11-18 01:49:02 B 06 40 44.342 +63 28 04.12 X K19
2025-11-18 01:54:14 B 06 40 41.045 +63 28 49.84 X K19
2025-11-18 22:35:10 C 06 26 50.023 +66 24 55.94 W B67
2025-11-18 22:42:08 C 06 26 44.587 +66 25 54.55 W B67