2011 WN2

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5900198000
Semi-major axis (a)2.3969786000 AU
Inclination (i)5.41704000°
Long. of Asc. Node (Ω)232.44952000°
Arg. of Perihelion (ω)208.69844000°
Mean Anomaly (M)274.28780000°
Mean Motion (n)0.2655876200°/day
Perihelion dist (q)0.98271380 AU
Aphelion dist (Q)3.81124340 AU
Orbital Period3.71104510 yr
Physical Parameters
H (abs. magnitude)25.20
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.590″
Uncertainty7
Orbit TypeApollo
MOID0.021565 AU
Observations Used66
Radar Obs Used1
Oppositions1
Arc Total
First Observation Used
Last Observation Used2011-11-23
Observations (66)
Date Type RA Dec Mag Band Observatory
2011-11-17 04:59:19 C 00 59 19.28 +06 25 23.2 r G96
2011-11-17 05:09:18 C 00 59 21.94 +06 24 39.1 r G96
2011-11-17 05:19:14 C 00 59 24.64 +06 23 55.1 r G96
2011-11-17 05:29:17 C 00 59 27.38 +06 23 10.5 r G96
2011-11-17 06:16:16 C 00 59 39.67 +06 19 36.3 o H01
2011-11-17 06:27:15 C 00 59 42.74 +06 18 46.9 o H01
2011-11-17 06:37:15 C 00 59 45.52 +06 18 02.0 o H01
2011-11-17 06:48:08 C 00 59 49.10 +06 17 19.3 o 291
2011-11-17 06:48:59 C 00 59 49.36 +06 17 15.5 o 291
2011-11-17 06:49:50 C 00 59 49.59 +06 17 11.7 o 291
2011-11-17 06:54:48 C 00 59 50.47 +06 16 42.9 o H01
2011-11-17 19:19:20 C 01 04 10.87 +05 17 51.6 u I93
2011-11-17 19:22:32 C 01 04 11.43 +05 17 18.1 u J95
2011-11-17 19:29:17 C 01 04 13.66 +05 16 45.3 u J95
2011-11-17 19:30:56 C 01 04 14.58 +05 16 54.1 u I93
2011-11-17 19:35:45 C 01 04 15.78 +05 16 13.8 u J95
2011-11-17 19:42:30 C 01 04 18.25 +05 15 57.2 u I93
2011-11-17 19:56:46 C 01 04 20.34 +05 14 37.2 o 246
2011-11-17 19:59:35 C 01 04 21.29 +05 14 22.5 o 246
2011-11-17 20:06:52 C 01 04 23.56 +05 13 47.4 o 246
2011-11-17 20:11:26 C 01 04 25.10 +05 13 23.4 o 246
2011-11-17 20:22:38 C 01 04 29.53 +05 12 34.9 t 204
2011-11-17 20:24:55 C 01 04 29.51 +05 12 23.9 u 595
2011-11-17 20:51:38 C 01 04 38.37 +05 10 11.4 v A99
2011-11-17 20:52:41 C 01 04 39.06 +05 10 05.1 t 204
2011-11-17 20:53:51 C 01 04 39.10 +05 09 59.9 v A99
2011-11-17 20:56:04 C 01 04 39.76 +05 09 49.1 v A99
2011-11-17 20:59:13 C 01 04 40.77 +05 09 33.9 v A99
2011-11-17 21:02:26 C 01 04 41.76 +05 09 17.8 v A99
2011-11-17 21:07:27 C 01 04 43.04 +05 08 49.8 u 595
2011-11-18 04:26:13 C 01 07 26.94 +04 31 33.0 o H01
2011-11-18 04:33:23 C 01 07 29.33 +04 30 54.6 o H01
2011-11-18 04:45:42 C 01 07 33.43 +04 29 48.7 o H01
2011-11-18 04:59:38 C 01 07 38.08 +04 28 34.1 o H01
2011-11-20 03:51:40 C 01 29 54.00 -00 38 04.6 o 807
2011-11-20 03:57:44 C 01 29 57.22 -00 38 53.7 o 807
2011-11-20 04:07:07 C 01 30 02.25 -00 40 10.2 o 807
2011-11-20 04:16:06 C 01 30 07.09 -00 41 23.6 o 807
2011-11-20 21:19:48 C 01 41 21.86 -03 17 02.1 o J13
2011-11-20 21:20:28 C 01 41 22.12 -03 17 06.1 o J13
2011-11-20 21:21:10 C 01 41 22.57 -03 17 13.0 o J13
2011-11-20 21:21:53 C 01 41 23.09 -03 17 20.8 o J13
2011-11-22 00:25:04 C 02 03 32.20 -08 09 18.2 o 807
2011-11-22 00:27:31 C 02 03 34.38 -08 09 49.1 o 807
2011-11-22 00:29:58 C 02 03 36.52 -08 10 19.5 o 807
2011-11-22 00:32:25 C 02 03 38.67 -08 10 50.2 o 807
2011-11-22 00:34:52 C 02 03 40.81 -08 11 20.7 o 807
2011-11-22 00:36:40 C 02 03 42.42 -08 11 43.7 o 807
2011-11-23 00:13:01 C 02 29 21.07 -13 37 40.2 o 807
2011-11-23 00:16:44 C 02 29 25.42 -13 38 37.1 o 807
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2011-11-19 02:10:00 118416.9903 40 Hz 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)